Independent US Healthcare Provider Directory & Public Medical Database Patient Guides

Dr. Nancy C Dolan , MD

Internal Medicine โ€ข Chicago, IL

Active NPI 1396814802 Individual Practitioner Female Practitioner Accepts Medicare assignment Telehealth (some services)
Practice location in NPPES

675 N Saint Clair St, Galter 18-200
Chicago, IL 606115975

Call 3126958630 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

675 N Saint Clair St
Galter 18-200

Chicago, IL 606115975

Telephone 3126958630
Fax 3126952857
Organization at the Same NPPES Address or Phone
Northwestern Laser Vision, Llc Facility NPI 1255544995

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

NPPES lists 1 additional practice-address record in Chicago, IL. See the list

Source: CMS NPPES NPI Registry, practice location records; release date unavailable.

CMS Doctors and Clinicians lists 1 group name: Northwestern Medical Faculty Foundation. 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

Loyola University Of Chicago, Stritch School Of Medicine

Graduation Year

1989

Medicare patients

246 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 โ€“ by Provider, 2024.

Medicare-allowed amount

About $82,601 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 โ€“ by Provider and Service, 2024.

Paid by Medicare

About $67,001 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 โ€“ by Provider and Service, 2024.

30-day fills

7,923 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

$312,258 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 โ€“ by Provider and Drug, 2024.

Industry payments (Open Payments)

No Open Payments records are listed for this clinician for 2019โ€“2025.

Guide: How to read an Open Payments record

Years since graduation

37 years (graduated 1989)

CMS Doctors and Clinicians data list 1989 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, โ€œDoes your provider accept Medicare as full payment?โ€

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. Dolan 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. Dolan 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 Chicago and Illinois

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 Chicago, IL (2024, 1,008 clinicians with data). Median for this group: 406. Middle half: 157 to 820.

Close to the middle for 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 higher Medicare-allowed amount than 75% of clinicians listed under Internal Medicine in Chicago, IL (2024, 1,008 clinicians with data). Median for this group: $41,573. Middle half: $14,662 to $79,189.

Close to the middle for 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 higher Medicare payment amount than 75% of clinicians listed under Internal Medicine in Chicago, IL (2024, 1,008 clinicians with data). Median for this group: $31,519. Middle half: $10,954 to $62,185.

A higher 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 75% of clinicians listed under Internal Medicine in Chicago, IL (2024, 1,269 clinicians with data). Median for this group: 474. Middle half: 74 to 2,358.

More Part D prescriptions than 65% 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 75% of clinicians listed under Internal Medicine in Chicago, IL (2024, 1,269 clinicians with data). Median for this group: $40,678. Middle half: $1,543 to $232,098.

A higher Part D drug cost than 70% 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.

2,870 active clinicians are listed under Internal Medicine with a practice address in Chicago, IL (7,245 in Illinois).

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

Telehealth indicator in Chicago

13.3% of these 2,870 clinicians have the CMS telehealth indicator.

38.5% of these 2,870 clinicians are listed by CMS as accepting Medicare assignment.

Sources: CMS Medicare Physician & Other Practitioners (2024), CMS Medicare Part D Prescribers (2024), CMS Doctors and Clinicians, CMS NPPES NPI Registry. Specialty names follow the NUCC Health Care Provider Taxonomy.

Text: T-MedInfo ยท Report an error.

Performed Procedures & Service Volume

Services billed to Original Medicare Part B in 2024.

CMS Part B ยท Data Year 2024
Reporting Year:

CPTยฎ is a registered trademark of the American Medical Association. CPT codes, descriptions and other data only are copyright 2016โ€“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 โ€“ by Provider and Service data, 2017โ€“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
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
230 159 $322.17 $135.12
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
138 96 $88.00 $17.25
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit
107 107 $373.00 $138.80
99213 Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more
54 49 $219.00 $96.72
G0008 Administration of influenza virus vaccine
42 40 $57.00 $33.70
90662 Influenza vaccine split virus, preservative free
38 36 $110.00 $80.52
90480 Admn sarscov2 vacc 1 dose
37 34 $88.00 $44.94
91320 Sarscv2 vac 30mcg trs-suc im
37 34 $202.95 $141.62
36415 Insertion of needle into vein for collection of blood sample
22 19 $20.00 $8.65
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more
22 21 $434.00 $192.60
99443 Telephone medical discussion with physician, 21-30 minutes
21 17 $250.00 $135.89
93005 Routine electrocardiogram (ecg) using at least 12 leads with tracing
16 15 $95.00 $6.91
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes
16 16 $613.00 $183.09
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes
16 13 $217.00 $82.97
99442 Telephone medical discussion with physician, 11-20 minutes
14 14 $175.00 $96.37
99238 Hospital discharge day management, 30 minutes or less
13 13 $216.00 $85.34
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use
11 11 $397.00 $292.08
G0009 Administration of pneumococcal vaccine
11 11 $57.00 $33.70

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 ยท Data Year 2024
Prescription Year:
Brand Name Generic Name Prescriptions Day Supply Total Cost Patients
Atorvastatin Calcium Atorvastatin Calcium 478 41,283 $6,322.37 140
Amlodipine Besylate Amlodipine Besylate 302 25,053 $2,275.48 83
Losartan Potassium Losartan Potassium 193 16,226 $2,041.47 57
Levothyroxine Sodium Levothyroxine Sodium 140 11,808 $1,772.98 39
Lisinopril Lisinopril 129 10,614 $931.23 38
Rosuvastatin Calcium Rosuvastatin Calcium 107 8,840 $1,487.56 32
Metoprolol Succinate Metoprolol Succinate 104 8,326 $1,692.77 29
Hydrochlorothiazide Hydrochlorothiazide 86 7,740 $364.92 24
Gabapentin Gabapentin 75 4,921 $1,310.92 23
Omeprazole Omeprazole 70 5,825 $664.11 27
Metformin Hcl Metformin Hcl 64 5,243 $644.86 19
Fluticasone Propionate Fluticasone Propionate 56 3,585 $881.94 23
Alendronate Sodium Alendronate Sodium 53 4,228 $491.60 16
Ozempic Semaglutide 53 2,584 $82,249.56 โ€”
Eliquis Apixaban 52 3,720 $71,808.67 14
Triamterene-Hydrochlorothiazid Triamterene/Hydrochlorothiazid 47 4,230 $344.55 13
Metformin Hcl Er Metformin Hcl 45 4,060 $700.17 17
Simvastatin Simvastatin 44 3,960 $280.07 14
Allopurinol Allopurinol 42 3,000 $481.05 11
Pantoprazole Sodium Pantoprazole Sodium 39 2,790 $477.67 11
Jardiance Empagliflozin 38 3,010 $57,111.18 13
Spironolactone Spironolactone 37 2,486 $504.07 โ€”
Duloxetine Hcl Duloxetine Hcl 35 2,910 $746.97 12
Carvedilol Carvedilol 33 2,775 $492.93 โ€”
Escitalopram Oxalate Escitalopram Oxalate 32 2,700 $654.23 11

(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: 2025-07-29
Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

License # reported to NPPES IL 036-084497

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

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

I20100720000574

Enrollment State Jurisdiction

IL

PECOS Control ID

0648302075

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

Northwestern Medical Faculty Foundation

1630 Sherman Ave, Evanston, IL 602013711

Northwestern Medical Faculty Foundation

737 N Michigan Ave, Chicago, IL 606112615

Phone: 8475822104

Northwestern Medical Faculty Foundation

675 N St Clair, Chicago, IL 606115975

Northwestern Medical Faculty Foundation

675 N Saint Clair St, Chicago, IL 606115975

Northwestern Medical Faculty Foundation

676 N Saint Clair St, Chicago, IL 606113133

Phone: 3126944101

Northwestern Medical Faculty Foundation

4445 W Irving Park Rd, Chicago, IL 606412808

Secondary Practice Locations

251 E Huron St Ste 16-738

Chicago, IL 606113055

Phone: 3129265924

Clinicians Sharing This Practice Address or Phone

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

40 listed
Dr. Ronald Ackermann , MD

Internal Medicine

NPI 1629029210

Doctor of Medicine (M.D.)

NPI 1508228594

Doctor of Medicine (M.D.)

Dr. Denise Au , MD

Internal Medicine

NPI 1932172889

Doctor of Medicine (M.D.)

Dr. Sara Berg , MD

Internal Medicine

NPI 1255642153

Doctor of Medicine (M.D.)

Dr. Sara Bradley , MD

Internal Medicine - Geriatric Medicine

NPI 1487873808

Doctor of Medicine (M.D.)

Dr. Anna Briker , MD

Internal Medicine

NPI 1164949301

Doctor of Medicine (M.D.)

Career & Practice History

NPI enumerated November 07, 2006.

No changes to the name, practice address, taxonomy or NPI status in this record have been observed in the monthly NPPES data files from January 2017 to August 2026.

No reviews have been published yet. Leave a review.

NPI Administrative Meta

NPI Number: 1396814802
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: November 07, 2006
Last Update: July 29, 2025
Sole Proprietor: No

Other Internal Medicine Providers in Chicago

All Internal Medicine Providers in Chicago

Mailing Address

680 N Lake Shore Dr, Suite 1000

Chicago, IL 606114546

Phone: 3126958630

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.