NPPES file of Aug 9, 2026

Elizabeth Baker, M.D.

Internal Medicine Physician · Chicago, IL

Elizabeth Baker, M.D. is an internal medicine physician with a practice address in Chicago, Illinois, and NPI 1710089776, issued on Sep 1, 2006. Check the license on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1710089776
Name
Elizabeth Baker
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
Practice location
1700 W Van Buren St, Chicago, IL 60612
Phone
(312) 563-2875
Enumerated
Sep 1, 2006
Record last updated
Feb 12, 2008 (not updated in 18 years: call before relying on the address or phone)
Fax
(312) 942-3012
Medicare enrollment
Enrolled (PECOS I20101022001172); accepts Medicare assignment
Medical or professional school
Loyola University Of Chicago, Stritch School Of Medicine, 1987
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1700 W Van Buren St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Richard Abrams, M.D.Internal Medicine Physician1659473650
  2. Usama Ahmad, M.D.Internal Medicine Physician1134412927
  3. Jean Alves, R.D.Registered Dietitian1265784755
  4. Angela Barsamian, MS, RD, LDNRegistered Dietitian1699907618
  5. Asuncion Berroya, M.D.Internal Medicine Physician1336232271
  6. Valerie Bialas, DNPPrimary Care Nurse Practitioner1417781931

Verify Elizabeth Baker in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional RegulationCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Illinois license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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52% fewer Medicare Part D claims than the average internal medicine physician in 2024

1,524 Medicare Part D claims for 161 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 54 claims were for opioids.

  1. Elizabeth Baker1,524
  2. Specialty average3,176

Most prescribed

  1. Amlodipine Besylate130 claims
  2. Atorvastatin Calcium98 claims
  3. Lisinopril68 claims
  4. Hydrochlorothiazide63 claims
  5. Losartan Potassium56 claims
  6. Metoprolol Succinate54 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through one group practice

  1. Rush University Medical GroupChicago, IL

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

2,867 internal medicine physician records list a practice address in Chicago

They are 2,867 of the 63,379 NPPES records with a practice address in Chicago, and 7,238 internal medicine physician records in Illinois.

Other internal medicine physician records in Illinois

  1. Peter Abadeer, D.O.Bloomington, IL1760469522
  2. Motaz Abas, MDPeoria, IL1215510201
  3. Elias Abate, M.D.Chicago, IL1336712199
  4. Maliha Abbas, D.O.Chicago, IL1174963920
  5. Zareena Abbas, MDChicago, IL1427078872
  6. Abu Abbasi, MDChicago, IL1083243877
  7. Ayesha Abbasi, MDChicago, IL1376216705
  8. Khalda Abbasi, MDNaperville, IL1487705240
  9. Elmer Abbo, MDBurr Ridge, IL1710048541
  10. Paul Abbo, M.D.River Forest, IL1083693378

Common questions

What is Elizabeth Baker, M.D.'s NPI number?

Elizabeth Baker, M.D.'s National Provider Identifier (NPI) is 1710089776, issued on Sep 1, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Elizabeth Baker, M.D. located?

The NPPES record lists a practice address at 1700 W Van Buren St, Chicago, IL, 60612. Phone: (312) 563-2875. Providers update this record themselves, so call before visiting.

How can I verify Elizabeth Baker, M.D.'s license?

Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Elizabeth Baker, M.D. prescribe under Medicare Part D?

In 2024, Elizabeth Baker, M.D. had 1,524 Medicare Part D claims for 161 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.