Independent US Healthcare Provider Directory & Public Medical Database Patient Guides

Dr. Norris W Hsu , MD

Internal Medicine • Hoffman Estates, IL

Active NPI 1508961350 Individual Practitioner Male Practitioner Accepts Medicare assignment Telehealth (some services)
Practice location in NPPES

3100 W Higgins Rd Ste 125
Hoffman Estates, IL 601697203

Call 8478847111 Location details and other listings
Medical Disclaimer

This profile restates public CMS/NPPES data; T-MedInfo gives no medical advice — consult a licensed professional, and call 911 for emergencies.

Practice Location & Contact Primary Location

Practice Address

3100 W Higgins Rd Ste 125

Hoffman Estates, IL 601697203

Telephone 8478847111
Fax 8478847156
Organization at the Same NPPES Address or Phone
Westbrook Internal Medicine, S.c. Facility NPI 1487663431

Matched by practice address or phone in NPPES. A shared address or phone does not confirm that this clinician works there.

Other Listings in Public Data

CMS Doctors and Clinicians lists 1 group name: Dupage Medical Group 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

Medical School

Ohio State University College Of Medicine

Graduation Year

1995

Medicare patients

142 people with Original Medicare in 2024

Different Original Medicare patients in 2024; counts below 11 are hidden; this does not show availability or quality.

Source: CMS, Medicare Physician & Other Practitioners – by Provider, 2024.

Medicare-allowed amount

About $49,955 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.

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 – by Provider and Service, 2024.

Paid by Medicare

About $39,543 in 2024

The part of the Medicare-allowed amount that Medicare itself paid in 2024, after patients' deductibles and coinsurance.

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 – by Provider and Service, 2024.

30-day fills

13,294 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

$257,460 in 2024

The total cost of these prescriptions in 2024, paid by Medicare drug plans, patients and other payers together.

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 – by Provider and Drug, 2024.

Open Payments general payments, program year 2025

All general payments: $316.31 across 15 records.

By nature of payment

  • Food and Beverage: $271.31 across 14 records.
  • Education: $45.00 across 1 record.

Reporting-company totals (3 largest of 10)

  • Eli Lilly and Company: $74.49 across 2 records.
  • Janssen Pharmaceuticals, Inc: $38.62 across 2 records.
  • Esperion Therapeutics, Inc.: $37.48 across 2 records.

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.

See the full table

Source: Calculated by T-MedInfo from CMS Open Payments general-payment records for program year 2025 (published June 30, 2026).

Guide: How to read an Open Payments record

Years since graduation

31 years (graduated 1995)

CMS Doctors and Clinicians data list 1995 as the year this clinician finished professional 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

2006

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.

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, “Does your provider accept Medicare as full payment?”

Guide: What Medicare assignment means

Telehealth (some services)

Recent Medicare claims show this clinician provided some services by telehealth, such as a video or phone visit.

What this does not show: Telehealth (some services)

It does not mean all services are offered by telehealth, or that telehealth is covered by your plan.

Source: CMS, Telehealth Indicator on Medicare Care Compare (fact sheet, January 2023); CMS Doctors and Clinicians.

Guide: How Medicare covers telehealth

Enrolled in Medicare (PECOS)

Dr. Hsu 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.

Guide: What Medicare enrollment (PECOS) means

Can order Medicare-covered services

CMS lists Dr. Hsu 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.

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.

Guide: What ordering and referring status means

Compared with the same specialty in Hoffman Estates and Illinois

Billing and prescribing volume is not a quality rating.

Medicare Part B services

More Medicare Part B services than 70% of clinicians listed under Internal Medicine in Hoffman Estates, IL (2024, 22 clinicians with data). Median for this group: 962. Middle half: 571 to 1,188.

More Medicare Part B services than 70% of clinicians listed under Internal Medicine in Illinois (2024, 3,249 clinicians with data). Median for this group: 699. Middle half: 285 to 1,340.

Medicare-allowed amount

A lower Medicare-allowed amount than 80% of clinicians listed under Internal Medicine in Hoffman Estates, IL (2024, 22 clinicians with data). Median for this group: $95,834. Middle half: $52,290 to $137,702.

A lower Medicare-allowed amount than 60% of clinicians listed under Internal Medicine in Illinois (2024, 3,249 clinicians with data). Median for this group: $67,802. Middle half: $27,619 to $124,679.

Paid by Medicare

A lower Medicare payment amount than 75% of clinicians listed under Internal Medicine in Hoffman Estates, IL (2024, 22 clinicians with data). Median for this group: $74,845. Middle half: $40,004 to $103,293.

A lower Medicare payment amount than 60% of clinicians listed under Internal Medicine in Illinois (2024, 3,249 clinicians with data). Median for this group: $52,838. Middle half: $21,117 to $98,214.

Medicare Part D prescriptions

More Part D prescriptions than 80% of clinicians listed under Internal Medicine in Hoffman Estates, IL (2024, 24 clinicians with data). Median for this group: 1,956. Middle half: 181 to 3,778.

More Part D prescriptions than 75% of clinicians listed under Internal Medicine in Illinois (2024, 3,755 clinicians with data). Median for this group: 1,030. Middle half: 99 to 4,658.

Part D drug cost

A higher Part D drug cost than 70% of clinicians listed under Internal Medicine in Hoffman Estates, IL (2024, 24 clinicians with data). Median for this group: $98,267. Middle half: $10,164 to $263,615.

A higher Part D drug cost than 65% of clinicians listed under Internal Medicine in Illinois (2024, 3,755 clinicians with data). Median for this group: $78,716. Middle half: $2,604 to $371,507.

35 active clinicians are listed under Internal Medicine with a practice address in Hoffman Estates, IL (7,245 in Illinois).

Addresses are self-reported to NPPES and may be out of date.

Telehealth indicator in Hoffman Estates

28.6% of these 35 clinicians have the CMS telehealth indicator.

65.7% of these 35 clinicians are listed by CMS as accepting Medicare assignment.

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 · 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

Open Payments · Program Year 2025
Disclosure Year:

Program year 2025 (payments made January 1 – December 31, 2025): 15 records totaling $316.31.

Manufacturer Payment Nature Product Type Amount ($)
Eli Lilly and Company
Education
In-kind items and services
— General $45.00
Eli Lilly and Company
Food and Beverage
In-kind items and services
MOUNJARO General $29.49
Abbott Laboratories
Food and Beverage
In-kind items and services
FREESTYLE LIBRE 3 General $24.12
Exact Sciences Corporation
Food and Beverage
In-kind items and services
The Cologuard Plus Collection Kit General $21.87
AstraZeneca Pharmaceuticals LP
Food and Beverage
In-kind items and services
AIRSUPRA General $20.27
Viatris Specialty LLC
Food and Beverage
In-kind items and services
YUPELRI General $20.08
Esperion Therapeutics, Inc.
Food and Beverage
In-kind items and services
NEXLETOL General $19.95
Janssen Pharmaceuticals, Inc
Food and Beverage
In-kind items and services
SPRAVATO General $19.45
Janssen Pharmaceuticals, Inc
Food and Beverage
In-kind items and services
SPRAVATO General $19.17
Amgen Inc.
Food and Beverage
In-kind items and services
REPATHA General $17.99
Esperion Therapeutics, Inc.
Food and Beverage
In-kind items and services
NEXLETOL General $17.53
ABBVIE INC.
Food and Beverage
In-kind items and services
SYNTHROID General $15.60
Viatris Specialty LLC
Food and Beverage
In-kind items and services
YUPELRI General $15.48
Merck Sharp & Dohme LLC
Food and Beverage
In-kind items and services
CAPVAXIVE General $15.21
Exact Sciences Corporation
Food and Beverage
In-kind items and services
— General $15.10

Source: CMS Open Payments, program year 2025, released June 30, 2026.

Performed Procedures & Service Volume

Services billed to Original Medicare Part B in 2024.

CMS Part B · Data Year 2024
Reporting Year:

CPT® is a registered trademark of the American Medical Association. CPT codes, descriptions and other data only are copyright 2016–2023 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 – by Provider and Service data, 2017–2024; 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
36415 Insertion of needle into vein for collection of blood sample
156 94 $20.00 $8.65
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
142 94 $229.00 $129.43
80053 Blood test, comprehensive group of blood chemicals
118 89 $55.00 $10.35
80061 Blood test, lipids (cholesterol and triglycerides)
109 81 $69.00 $13.01
84443 Blood test, thyroid stimulating hormone (tsh)
102 80 $86.00 $16.46
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count
102 83 $40.00 $7.61
99213 Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more
69 55 $157.00 $90.90
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit
57 57 $229.00 $133.47
82306 Vitamin d-3 level
41 36 $152.00 $29.01
83036 Hemoglobin a1c level
41 27 $50.00 $9.31
84439 Thyroxine (thyroid chemical), free
25 16 $46.00 $8.84
82728 Ferritin (blood protein) level
24 16 $70.00 $13.36
82607 Cyanocobalamin (vitamin b-12) level
23 16 $77.00 $14.78
G0103 Prostate cancer screening; prostate specific antigen test (psa)
23 23 $52.00 $18.92
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more
21 16 $307.00 $187.40
83540 Iron level
20 13 $33.00 $6.34
83550 Iron binding capacity
20 13 $45.00 $8.57
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report
19 18 $72.00 $15.01
82570 Creatinine level to test for kidney function or muscle injury
15 13 $27.00 $4.78
82043 Urine microalbumin (protein) level
14 12 $30.00 $5.30
90653 Influenza vaccine, inactivated
13 13 $251.00 $81.82
G0008 Administration of influenza virus vaccine
13 13 $55.00 $33.70
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment
13 13 $340.00 $169.07

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.

CMS Part D · Data Year 2024
Prescription Year:
Brand Name Generic Name Prescriptions Day Supply Total Cost Patients
Atorvastatin Calcium Atorvastatin Calcium 442 39,640 $3,962.33 149
Amlodipine Besylate Amlodipine Besylate 301 26,831 $1,593.35 110
Levothyroxine Sodium Levothyroxine Sodium 290 24,474 $2,461.90 95
Rosuvastatin Calcium Rosuvastatin Calcium 220 19,623 $2,936.95 76
Losartan Potassium Losartan Potassium 183 15,823 $1,271.53 58
Lisinopril Lisinopril 168 14,607 $1,062.79 54
Metoprolol Succinate Metoprolol Succinate 153 13,735 $3,062.54 58
Omeprazole Omeprazole 141 12,280 $1,360.20 51
Simvastatin Simvastatin 131 11,290 $998.61 46
Metformin Hcl Metformin Hcl 114 9,733 $625.28 34
Pantoprazole Sodium Pantoprazole Sodium 109 8,796 $1,100.08 39
Tamsulosin Hcl Tamsulosin Hcl 101 8,770 $1,035.99 36
Alprazolam Alprazolam 100 3,272 $478.74 33
Zolpidem Tartrate Zolpidem Tartrate 100 3,510 $360.59 21
Hydrocodone-Acetaminophen Hydrocodone/Acetaminophen 83 1,625 $1,215.25 15
Escitalopram Oxalate Escitalopram Oxalate 76 6,127 $810.74 23
Hydrochlorothiazide Hydrochlorothiazide 76 6,690 $261.86 31
Pravastatin Sodium Pravastatin Sodium 65 5,890 $567.87 21
Metformin Hcl Er Metformin Hcl 65 5,780 $486.73 21
Gabapentin Gabapentin 64 5,331 $1,077.59 21
Montelukast Sodium Montelukast Sodium 60 5,220 $378.07 21
Meloxicam Meloxicam 56 2,612 $116.27 31
Metoprolol Tartrate Metoprolol Tartrate 53 4,680 $381.84 24
Lorazepam Lorazepam 53 1,929 $362.22 12
Ezetimibe Ezetimibe 53 4,200 $2,421.78 19

(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: 2021-02-11
Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

License # reported to NPPES IL 036-097687

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.

Check License Status with the State Board License numbers are self-reported to NPPES; T-MedInfo does not confirm them against state records. Current status: Illinois Department of Financial and Professional Regulation.
Look Up on State Board Site

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid ID
036097687 (IL)
Other Identifier Bcbs Id
31603039 (IL)

Medicare (PECOS) Enrollment & Ordering Eligibility

Source: CMS PECOS
Medicare FFS Enrollment Status Medicare Enrollment on File
CMS Provider Specialty

PRACTITIONER - INTERNAL MEDICINE

Medicare Enrollment ID

I20101221000432

Enrollment State Jurisdiction

IL

PECOS Control ID

5890983696

Medicare Order & Referring Eligibility
Clinical Lab & Imaging (Part B) Eligible
Durable Medical Equipment (DME) Eligible
Home Health Agency (HHA) Eligible
Power Mobility Devices (PMD) Eligible

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

Dupage Medical Group Ltd

1325 N Meacham Rd, Schaumburg, IL 601734824

Phone: 6304699200

Dupage Medical Group Ltd

30 Stratford Dr, Bloomingdale, IL 601082201

Phone: 6308932210

Dupage Medical Group Ltd

430 Pennsylvania Ave, Glen Ellyn, IL 601374464

Phone: 6304699200

Dupage Medical Group Ltd

2100 Glenwood Ave, Joliet, IL 604355487

Phone: 8157252121

Dupage Medical Group Ltd

430 Warrenville Rd, Lisle, IL 605321348

Phone: 6304326180

Dupage Medical Group Ltd

17495 La Grange Rd, Tinley Park, IL 604877581

Phone: 7082267000

Dupage Medical Group Ltd

40 S Clay St, Hinsdale, IL 605213257

Clinicians Sharing This Practice Address or Phone

Clinicians sharing this NPPES address, phone or fax; a shared contact does not mean they work together.

6 listed
Dr. Gaston Carrasco , MD

Internal Medicine

NPI 1417052267

Doctor of Medicine (M.D.)

Dr. Edward Kogan , MD

Internal Medicine

NPI 1710994215

Doctor of Medicine (M.D.)

Dr. Ria Parcellano , MD

Family Medicine - Geriatric Medicine

NPI 1366708117

Doctor of Medicine (M.D.)

Christina Raffini , PA-C

Physician Assistant

NPI 1225791189

Physician Assistant (Certified)

Dr. Nick Riccardo , MD

Internal Medicine

NPI 1124134879

Doctor of Medicine (M.D.)

NPI 1659805281

Doctor of Medicine (M.D.)

Career & Practice History Timeline

Changes recorded in monthly NPPES data files: addresses, names, credentials, specialties and NPI status

12 Historical Events
📍
Updated Practice Location August 21, 2019

Registered at 3100 W HIGGINS RD STE 125, HOFFMAN ESTATES, IL 601697203 (Tel: 8478847111)

✅
NPI Profile Active January 30, 2018

NPI status registered as active in NPPES database

📍
Updated Business Mailing Address January 30, 2018

Registered at 1860 PAYSHERE CIRCLE, CHICAGO, IL 606740001 (Tel: 6304699200)

📍
Updated Practice Location January 30, 2018

Registered at 1555 NORTH BARRINGTON ROAD, SUITE 505, HOFFMAN ESTATES, IL 601691066 (Tel: 8478847111)

👤
Provider Name / Credentials Updated January 30, 2018

Recorded as NORRIS HSU, MD

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) January 30, 2018

Internal Medicine (license number reported to NPPES: IL 036-097687)

✅
NPI Profile Active February 22, 2008

NPI status registered as active in NPPES database

📍
Practice Location (Initial Record) February 22, 2008

Registered at 1555 NORTH BARRINGTON ROAD, SUITE 505, HOFFMAN ESTATES, IL 601691066 (Tel: 8478847111)

📍
Business Mailing Address (Initial Record) February 22, 2008

Registered at 1555 NORTH BARRINGTON ROAD, SUITE 505, HOFFMAN ESTATES, IL 601691066 (Tel: 8478847111)

👤
Provider Name / Credentials (Initial Record) February 22, 2008

Recorded as NORRIS HSU, MD

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) February 22, 2008

Internal Medicine

🟢
Initial NPI Registration & Enumeration September 14, 2006

First registered as active Individual Practitioner in NPPES Database.

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NPI Administrative Meta

NPI Number: 1508961350
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: September 14, 2006
Last Update: February 11, 2021
Sole Proprietor: No

Other Internal Medicine Providers in Hoffman Estates

All Internal Medicine Providers in Hoffman Estates

Mailing Address

1860 Payshere Circle

Chicago, IL 606740001

Phone: 6304699200

About This Data NPPES fields (address, phone, specialty, license) are self-reported and may be outdated; Medicare fields follow the CMS dataset named in each section. Correct directly at NPPES.