Dr. Corey Stephan Macrander , MD
Internal Medicine โข Appleton, WI
3916 N Intertech Ct
Appleton, WI 549136957
This profile restates public CMS/NPPES data; T-MedInfo gives no medical advice — consult a licensed professional, and call 911 for emergencies.
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Dr. Corey Macrander is listed in NPPES under Internal Medicine.
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NPI assigned on April 11, 2018; this date does not establish years in practice.
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Published CMS data list 3,679 Original Medicare Part B services in 2024.
Source: CMS, Medicare Physician & Other Practitioners โ by Provider and Service, 2024. Published rows only; this is not a quality measure.
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Published Part B service records, 2024:
- 36415 โ Insertion of needle into vein for collection of blood sample: 685 service units.
- 99214 โ Established patient outpatient office visit: 364 service units.
- 80048 โ Blood test, basic group of blood chemicals (calcium, total): 302 service units.
Source: CMS, Medicare Physician & Other Practitioners โ by Provider and Service, 2024. Units differ by code; these are not visits or a measure of quality.
CPTยฎ only copyright 2023 American Medical Association. All rights reserved. Service names are shortened from CPT Consumer Friendly Descriptors (CMS data, 2024). CPT notice
See all 38 records in the table ยท Guide: How to read Medicare Part B data
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Published CMS data list 14,068 Medicare Part D prescriptions, including refills, in 2024.
Source: CMS, Medicare Part D Prescribers โ by Provider and Drug, 2024. Published rows only; this is not a quality measure.
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Published Part D records, 2024:
- Atorvastatin Calcium โ 913 prescription fills, including refills.
- Amlodipine Besylate โ 753 prescription fills, including refills.
- Lisinopril โ 542 prescription fills, including refills.
Source: CMS, Medicare Part D Prescribers โ by Provider and Drug, 2024. Drug names come from pharmacy claims. Listing a drug here is not an endorsement or a recommendation.
See all 168 records in the table ยท Guide: How to read Medicare Part D prescriber data
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More Medicare Part B services than 75% of clinicians listed under Internal Medicine in Appleton, WI (2024, 24 clinicians with data). Median for this group: 1,048. Middle half: 396 to 2,433.
More Medicare Part B services than 95% of clinicians listed under Internal Medicine in Wisconsin (2024, 1,010 clinicians with data). Median for this group: 572. Middle half: 266 to 1,020.
Source: CMS, Medicare Physician & Other Practitioners โ by Provider and Service, 2024. Billing and prescribing volume is not a quality rating.
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Medicare Part B services went from 651 in 2021 to 3,679 in 2024.
Source: CMS, Medicare Physician & Other Practitioners โ by Provider and Service, 2021โ2024.
Practice Location & Contact Primary Location
3916 N Intertech Ct
Appleton, WI 549136957
Matched by practice address or phone in NPPES. A shared address or phone does not confirm that this clinician works there.
CMS Doctors and Clinicians lists 1 group name: Primary Care Associates Of Appleton, Ltd. See the list
Source: CMS Doctors and Clinicians National Downloadable File, release date unavailable.
Listings do not confirm current availability, employment or a shared ownership network.
Medicare Profile & Education
Source: CMS Doctors and Clinicians National Downloadable File
Wayne State University School Of Medicine
2018
What Public CMS Data Show
Internal Medicine: NPPES taxonomy is a reported classification, not proof of board certification.
Medicare patients
277 people with Original Medicare in 2024
It gives a sense of how many people with Medicare this clinician treated that year.
Source: CMS, Medicare Physician & Other Practitioners โ by Provider, 2024.
Medicare-allowed amount
About $125,098 in 2024
The total amount Medicare approved for these services in 2024. It includes what Medicare paid and what patients or their other insurance owed, such as the deductible and coinsurance.
It shows the total cost of this clinician's Original Medicare services under Medicare's fee rules.
What this does not show: Medicare-allowed amount
This is not the clinician's income. Part of it can go to a clinic or group practice, staff, equipment or drugs. It is not the price you will pay.
Source: CMS, Medicare Physician & Other Practitioners โ by Provider and Service, 2024.
Paid by Medicare
About $105,537 in 2024
The part of the Medicare-allowed amount that Medicare itself paid in 2024, after patients' deductibles and coinsurance.
The gap between the allowed amount and this number is roughly what patients and their other insurance paid.
What this does not show: Paid by Medicare
This is not the clinician's income and not a measure of quality.
Source: CMS, Medicare Physician & Other Practitioners โ by Provider and Service, 2024.
30-day fills
30,893 standardized 30-day fills in 2024
CMS converts prescriptions to 30-day supplies so they can be compared. A 90-day prescription counts as about three 30-day fills.
What this does not show: 30-day fills
It is not a count of patients and not a measure of quality.
Part D drug cost
$1,020,008 in 2024
The total cost of these prescriptions in 2024, paid by Medicare drug plans, patients and other payers together.
It shows the total spending on drugs this clinician prescribed, not what any one patient paid.
What this does not show: Part D drug cost
A higher cost often reflects the type of medicines a specialty uses. It is not your out-of-pocket cost and not a measure of quality.
Source: CMS, Medicare Part D Prescribers โ by Provider and Drug, 2024.
Open Payments general payments, program year 2025
All general payments: $65.60 across 3 records.
By nature of payment
- Food and Beverage: $65.60 across 3 records.
Reporting-company totals
- Sanofi and Genzyme US Companies: $48.23 across 2 records.
- Amgen Inc.: $17.37 across 1 record.
A reported payment does not necessarily mean the financial relationship is improper and is not a measure of care quality. Clinicians can review and dispute these records.
Source: Calculated by T-MedInfo from CMS Open Payments general-payment records for program year 2025 (published June 30, 2026).
Years since graduation
8 years (graduated 2018)
CMS Doctors and Clinicians data list 2018 as the year this clinician finished professional school.
It tells you roughly how long ago the clinician finished school.
What this does not show: Years since graduation
It is not the number of years in practice, and more years does not mean better care.
Source: CMS Doctors and Clinicians National Downloadable File.
NPI first issued
2018
The year this clinician's National Provider Identifier (NPI) was issued. An NPI is a unique 10-digit ID that US health care providers use for billing.
What this does not show: NPI first issued
NPIs have been issued only since 2005, so this year is not necessarily when the clinician started practicing.
Source: CMS NPPES NPI Registry.
Accepts Medicare assignment
CMS data list this clinician as accepting Medicare assignment. This means agreeing to take the Medicare-approved amount as full payment for covered services.
With Original Medicare, you usually pay only your deductible and coinsurance, and the office sends the claim to Medicare for you.
Medicare assignment applies to Original Medicare. It does not tell you whether the clinician is in a Medicare Advantage plan's network, accepts other insurance, or is taking new patients.
Source: CMS Doctors and Clinicians; Medicare.gov, โDoes your provider accept Medicare as full payment?โ
No telehealth indicator
CMS shows this indicator only when recent Medicare claims include telehealth services. The clinician may still offer telehealth; ask the office.
Source: CMS, Telehealth Indicator on Medicare Care Compare (fact sheet, January 2023); CMS Doctors and Clinicians.
Enrolled in Medicare (PECOS)
Dr. Macrander has a Medicare enrollment record in PECOS, the CMS system clinicians use to enroll so they can bill Medicare or order services for people with Medicare.
It does not show whether the clinician accepts assignment, is in your plan's network, or is taking new patients.
Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.
Can order Medicare-covered services
CMS lists Dr. Macrander as eligible to order or refer Medicare Part B clinical laboratory and imaging services, durable medical equipment (DME) and home health services for people with Medicare.
Medicare pays for these items and services only when they are ordered by an eligible clinician.
What this does not show: Can order Medicare-covered services
It does not mean the clinician offers these services directly.
Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.
Compared with the same specialty in Appleton and Wisconsin
Billing and prescribing volume is not a quality rating.
Medicare Part B services
More Medicare Part B services than 75% of clinicians listed under Internal Medicine in Appleton, WI (2024, 24 clinicians with data). Median for this group: 1,048. Middle half: 396 to 2,433.
More Medicare Part B services than 95% of clinicians listed under Internal Medicine in Wisconsin (2024, 1,010 clinicians with data). Median for this group: 572. Middle half: 266 to 1,020.
Medicare-allowed amount
A higher Medicare-allowed amount than 80% of clinicians listed under Internal Medicine in Appleton, WI (2024, 24 clinicians with data). Median for this group: $73,687. Middle half: $39,617 to $116,234.
A higher Medicare-allowed amount than 85% of clinicians listed under Internal Medicine in Wisconsin (2024, 1,010 clinicians with data). Median for this group: $49,332. Middle half: $25,625 to $85,764.
Paid by Medicare
A higher Medicare payment amount than 80% of clinicians listed under Internal Medicine in Appleton, WI (2024, 24 clinicians with data). Median for this group: $57,624. Middle half: $30,735 to $96,930.
A higher Medicare payment amount than 90% of clinicians listed under Internal Medicine in Wisconsin (2024, 1,010 clinicians with data). Median for this group: $38,120. Middle half: $18,776 to $65,615.
Medicare Part D prescriptions
More Part D prescriptions than 85% of clinicians listed under Internal Medicine in Appleton, WI (2024, 25 clinicians with data). Median for this group: 3,804. Middle half: 223 to 12,250.
More Part D prescriptions than 95% of clinicians listed under Internal Medicine in Wisconsin (2024, 1,164 clinicians with data). Median for this group: 2,178. Middle half: 139 to 7,601.
Part D drug cost
A higher Part D drug cost than 85% of clinicians listed under Internal Medicine in Appleton, WI (2024, 25 clinicians with data). Median for this group: $166,315. Middle half: $14,637 to $909,453.
A higher Part D drug cost than 90% of clinicians listed under Internal Medicine in Wisconsin (2024, 1,164 clinicians with data). Median for this group: $173,642. Middle half: $7,999 to $596,192.
39 active clinicians are listed under Internal Medicine with a practice address in Appleton, WI (2,078 in Wisconsin).
Addresses are self-reported to NPPES and may be out of date.
Telehealth indicator in Appleton
12.8% of these 39 clinicians have the CMS telehealth indicator.
66.7% of these 39 clinicians are listed by CMS as accepting Medicare assignment.
CMS data by year
Changes may reflect reporting, coverage or privacy limits, not changes in care quality.
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Medicare Part B services
Medicare Part B services increased 465% from 651 in 2021 to 3,679 in 2024.
- 2021: 651
- 2022: 1,644
- 2023: 4,627
- 2024: 3,679
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Medicare-allowed amount
Medicare-allowed amount increased 418% from $24,145 in 2021 to $125,098 in 2024.
- 2021: $24,145
- 2022: $62,593
- 2023: $108,428
- 2024: $125,098
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Paid by Medicare
Paid by Medicare increased 407% from $20,833 in 2021 to $105,537 in 2024.
- 2021: $20,833
- 2022: $48,678
- 2023: $89,844
- 2024: $105,537
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Medicare Part D prescriptions
Medicare Part D prescriptions increased 41276% from 34 in 2020 to 14,068 in 2024.
- 2020: 34
- 2021: 697
- 2022: 5,166
- 2023: 8,775
- 2024: 14,068
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30-day fills
30-day fills increased 73455% from 42 in 2020 to 30,893 in 2024.
- 2020: 42
- 2021: 1,622
- 2022: 11,875
- 2023: 19,712
- 2024: 30,893
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Part D drug cost
Part D drug cost went from $889 in 2020 to $1,020,008 in 2024.
- 2020: $889
- 2021: $10,611
- 2022: $311,505
- 2023: $580,154
- 2024: $1,020,008
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Industry payments (Open Payments)
Industry payments (Open Payments) went from $138.23 in 2023 to $65.60 in 2025.
- 2023: $138.23
- 2025: $65.60
Sources: CMS Medicare Physician & Other Practitioners (2024), CMS Medicare Part D Prescribers (2024), CMS Open Payments (2025), CMS Doctors and Clinicians, CMS NPPES NPI Registry. Specialty names follow the NUCC Health Care Provider Taxonomy.
Text: T-MedInfo ยท Report an error.
Pharma & Medical Device Financial Disclosures
Payments and other transfers of value that drug and medical device companies reported to CMS Open Payments
Program year 2025 (payments made January 1 โ December 31, 2025): fewer than 11 records totaling $65.60.
| Manufacturer | Payment Nature | Product | Type | Amount ($) |
|---|---|---|---|---|
| Sanofi and Genzyme US Companies |
Food and Beverage
In-kind items and services
|
TZIELD | General | $25.02 |
| Sanofi and Genzyme US Companies |
Food and Beverage
In-kind items and services
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TZIELD | General | $23.21 |
| Amgen Inc. |
Food and Beverage
In-kind items and services
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OTEZLA | General | $17.37 |
Source: CMS Open Payments, program year 2025, released June 30, 2026.
Performed Procedures & Service Volume
CPTยฎ is a registered trademark of the American Medical Association. CPT codes, descriptions and other data only are copyright 2020โ2023 American Medical Association. All rights reserved. Applicable FARS/HHSARS apply. Descriptions of CPT codes are the AMA's CPT Consumer Friendly Descriptors as published by CMS in the Medicare Physician & Other Practitioners โ by Provider and Service data, 2021โ2024; they are plain-language summaries, not for clinical coding or documentation. HCPCS Level II codes and descriptions are from CMS. Fee schedules, relative value units, conversion factors and/or related components are not assigned by the AMA, are not part of CPT, and the AMA is not recommending their use. The AMA does not directly or indirectly practice medicine or dispense medical services. The AMA assumes no liability for data contained or not contained herein.
| HCPCS Code | Services | Patients | Submitted Charge | Medicare Allowed |
|---|---|---|---|---|
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36415
Insertion of needle into vein for collection of blood sample
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685 | 240 | $19.00 | $8.63 |
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99214
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
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364 | 219 | $398.00 | $119.77 |
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80048
Blood test, basic group of blood chemicals (calcium, total)
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302 | 202 | $70.48 | $8.28 |
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85610
Blood test, clotting time
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234 | 15 | $52.00 | $4.20 |
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85025
Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count
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230 | 161 | $61.00 | $7.59 |
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80061
Blood test, lipids (cholesterol and triglycerides)
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215 | 199 | $110.00 | $13.12 |
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G0439
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit
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179 | 179 | $185.00 | $121.79 |
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83036
Hemoglobin a1c level
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138 | 91 | $78.00 | $9.48 |
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84460
Liver enzyme (sgpt), level
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138 | 136 | $68.00 | $5.19 |
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84443
Blood test, thyroid stimulating hormone (tsh)
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97 | 70 | $131.00 | $16.46 |
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G0103
Prostate cancer screening; prostate specific antigen test (psa)
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90 | 90 | $142.00 | $18.92 |
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G2211
Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's
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89 | 64 | $22.00 | $15.38 |
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99213
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more
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86 | 71 | $265.00 | $84.84 |
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80053
Blood test, comprehensive group of blood chemicals
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71 | 50 | $162.00 | $10.35 |
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82570
Creatinine level to test for kidney function or muscle injury
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64 | 60 | $43.00 | $5.08 |
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82043
Urine microalbumin (protein) level
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58 | 55 | $47.00 | $5.66 |
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G0008
Administration of influenza virus vaccine
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58 | 55 | $58.00 | $30.42 |
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90662
Influenza vaccine split virus, preservative free
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52 | 50 | $122.98 | $80.87 |
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81001
Manual urinalysis test with examination using microscope, automated
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45 | 28 | $24.00 | $3.11 |
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77063
Screening 3d breast mammography
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38 | 38 | $70.00 | $22.43 |
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77067
Screening mammography
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38 | 38 | $540.00 | $86.09 |
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93000
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report
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37 | 32 | $105.00 | $13.30 |
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84153
Psa (prostate specific antigen) measurement, total
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36 | 28 | $142.00 | $18.02 |
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71046
X-ray of chest, 2 views
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34 | 28 | $186.00 | $21.73 |
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90480
Admn sarscov2 vacc 1 dose
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33 | 28 | $58.00 | $40.56 |
(top 25 shown)
Source: CMS Part B by Provider and Service, 2024; services under 11 beneficiaries omitted by CMS. Privacy limits
Submitted charges are billed amounts, not a price quote for your visit.
Medicare Part D Prescribing Profile & Medications
Medicare Part D prescriptions filled, including refills, in 2024.
| Brand Name | Generic Name | Prescriptions | Day Supply | Total Cost | Patients |
|---|---|---|---|---|---|
| Atorvastatin Calcium | Atorvastatin Calcium | 913 | 69,441 | $10,004.99 | 228 |
| Amlodipine Besylate | Amlodipine Besylate | 753 | 58,176 | $5,934.71 | 193 |
| Lisinopril | Lisinopril | 542 | 40,031 | $5,276.96 | 136 |
| Losartan Potassium | Losartan Potassium | 535 | 40,420 | $7,630.57 | 133 |
| Levothyroxine Sodium | Levothyroxine Sodium | 472 | 32,790 | $6,543.00 | 108 |
| Omeprazole | Omeprazole | 445 | 32,671 | $7,354.35 | 117 |
| Metoprolol Succinate | Metoprolol Succinate | 407 | 29,342 | $8,526.97 | 93 |
| Rosuvastatin Calcium | Rosuvastatin Calcium | 402 | 29,440 | $4,884.58 | 111 |
| Hydrochlorothiazide | Hydrochlorothiazide | 342 | 28,330 | $2,351.02 | 91 |
| Simvastatin | Simvastatin | 310 | 26,556 | $3,288.03 | 81 |
| Warfarin Sodium | Warfarin Sodium | 263 | 12,084 | $2,504.85 | 37 |
| Tamsulosin Hcl | Tamsulosin Hcl | 256 | 19,348 | $4,700.64 | 78 |
| Metformin Hcl Er | Metformin Hcl | 244 | 16,361 | $3,297.78 | 61 |
| Metformin Hcl | Metformin Hcl | 227 | 16,713 | $2,366.36 | 56 |
| Gabapentin | Gabapentin | 223 | 10,069 | $2,432.34 | 46 |
| Metoprolol Tartrate | Metoprolol Tartrate | 219 | 14,483 | $1,753.20 | 55 |
| Furosemide | Furosemide | 210 | 13,725 | $1,455.86 | 57 |
| Pantoprazole Sodium | Pantoprazole Sodium | 194 | 14,636 | $2,709.02 | 55 |
| Eliquis | Apixaban | 192 | 11,257 | $212,158.45 | 48 |
| Carvedilol | Carvedilol | 174 | 10,875 | $1,685.30 | 40 |
| Allopurinol | Allopurinol | 160 | 12,754 | $2,015.14 | 42 |
| Escitalopram Oxalate | Escitalopram Oxalate | 160 | 9,370 | $1,501.33 | 37 |
| Duloxetine Hcl | Duloxetine Hcl | 145 | 9,957 | $3,299.79 | 35 |
| Alendronate Sodium | Alendronate Sodium | 138 | 8,207 | $1,296.25 | 31 |
| Clopidogrel | Clopidogrel Bisulfate | 134 | 8,060 | $1,687.61 | 27 |
(top 25 shown)
Source: CMS Part D by Provider and Drug, 2024; rows below 11 claims omitted by CMS; volume isn’t quality. Privacy limits
Specialties & License Numbers Reported to NPPES
Self-certified to NPPES: 2021-07-22NUCC Taxonomy Code: 207R00000X
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
NUCC Taxonomy Code: 390200000X
An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.
Medicare (PECOS) Enrollment & Ordering Eligibility
Source: CMS PECOSPRACTITIONER - INTERNAL MEDICINE
I20210809002568
WI
2163779356
Sources: CMS Provider Enrollment and Order and Referring. Medicare enrollment is a billing status, not an accreditation or quality rating.
Medicare Group Practice Enrollments
Source: CMS Doctors and Clinicians National Downloadable File
Primary Care Associates Of Appleton, Ltd
3916 N Intertech Ct, Appleton, WI 549136957
Phone: 9209961000
Clinicians Sharing This Practice Address or Phone
Clinicians sharing this NPPES address, phone or fax; a shared contact does not mean they work together.
Family Medicine
Doctor of Medicine (M.D.)
Physician Assistant
Physician Assistant
Physician Assistant
Physician Assistant (Certified)
Internal Medicine
Doctor of Medicine (M.D.)
Family Medicine
Doctor of Medicine (M.D.)
Internal Medicine
Doctor of Medicine (M.D.)
Career & Practice History Timeline
Changes recorded in monthly NPPES data files: addresses, names, credentials, specialties and NPI status
Registered at 3916 N INTERTECH CT, APPLETON, WI 549136957 (Tel: 9209961000)
Registered at 3916 N INTERTECH CT, APPLETON, WI 549136957 (Tel: 9209961000)
Internal Medicine (license number reported to NPPES: WI 72866-20)
NPI status registered as active in NPPES database
Registered at UW HOSPITALS AND CLINICS 600 HIGHLAND AVE, MADISON, WI 537920001 (Tel: 6082636400)
Registered at UW HOSPITALS AND CLINICS 600 HIGHLAND AVE, MADISON, WI 537920001 (Tel: 6082636400)
Recorded as COREY MACRANDER, MD
Student in an Organized Health Care Education/Training Program
First registered as active Individual Practitioner in NPPES Database.
NPI Administrative Meta
Other Internal Medicine Providers in Appleton
- Dr. Mohamed Zakarya, MD
- Dr. Chelsey Mcnabb Pender, MD
- Ifreah Usmaiel
- Craig Destree
- Dr. Andrew Pfaffenbach, MD
- Dr. Aditya Rangbulla, MD
Mailing Address
3916 N Intertech Ct
Appleton, WI 549136957
Phone: 9209961000