James R. Baker, MD
Allergy & Immunology (Internal Medicine) Physician · Ann Arbor, MI
James R. Baker, MD is an allergy & immunology (internal medicine) physician with a practice address in Ann Arbor, Michigan, and NPI 1063501989, issued on Oct 11, 2006. Check the license (Michigan 4301054776, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- James R. Baker
- Credential
- MD
- Primary taxonomy
- Allergy & Immunology (Internal Medicine) Physician 207RA0201X
- License number
- 4301054776 MI
Self-reported in NPPES; status is on the state search - Practice location
- 24 Frank Lloyd Wright Dr, Ann Arbor, MI 48105
- Phone
- (734) 647-5940
- Enumerated
- Oct 11, 2006
- Record last updated
- Sep 10, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicaid ID
- 2590710 MI
- Medicare enrollment
- Enrolled (PECOS I20100223000444); accepts Medicare assignment
- Medical or professional school
- Loyola University Of Chicago, Stritch School Of Medicine, 1978
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest allergy & immunology (internal medicine) physician records → All 16 in Michigan → Look up another NPI →
Also registered at 24 Frank Lloyd Wright Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jaclyn Abbott, NPPrimary Care Nurse Practitioner1952800435
- Alison Affinati, MD, PHDEndocrinology, Diabetes & Metabolism Physician1871983502
- Vahan Agbabian, MA, ATCAthletic Trainer1487759676
- William Aibinder, MDOrthopaedic Surgery Physician1225474042
- Nevin Ajluni, M.D.Endocrinology, Diabetes & Metabolism Physician1407019995
- Sarah Akers, LPNLicensed Practical Nurse1063383396
Verify James R. Baker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4301054776Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $50.10
2 payments; by number, the most common kind was food and beverage; the largest payer was Genentech, Inc. The 321 providers of this specialty with any payment received $7,456.30 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Regents OF The University OF MichiganAnn Arbor, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
James R. Baker among 16 allergy & immunology (internal medicine) physician records in Michigan
James R. Baker, MD is one of 16 allergy & immunology (internal medicine) physician records with a practice address in Michigan. 88% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 25% of them.
- NPI issued2006 · 25% of these records are older, 31% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileYes · 75% of these records are
- Graduated1978 · median 1994 among the 12 with a school on file
- Record last updated2020 · 69% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RA0201X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Allergy & Immunology (Internal Medicine) Physician providers in Michigan
There are 16 allergy & immunology (internal medicine) physician records in Michigan.
All 16 in Michigan → Every provider in Ann Arbor → Allergy & Immunology (Internal Medicine) Physician nationwide →
The 8 allergy & immunology (internal medicine) physician records with the nearest ZIP codes
- Malika Gupta, M.D.Ann Arbor, MI 481051467618520
- Jane Krasnick, MDWarren, MI 480931124018296
- Raka Mahajan, M.D.Dearborn, MI 481241134192560
- Sunjay ModiRoyal Oak, MI 480731609371855
- Louis Petrucco, M.D.Grosse Ile, MI 481381770704454
- Steven Stryk, M.D.Canton, MI 481881285637165
- Emily Wang, MDCanton, MI 481881629044037
- Susan Edlibi, M.D.Detroit, MI 482021255825501
Common questions
What is James R. Baker, MD's NPI number?
James R. Baker, MD's National Provider Identifier (NPI) is 1063501989, issued on Oct 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is James R. Baker, MD located?
The NPPES record lists a practice address at 24 Frank Lloyd Wright Dr, Ann Arbor, MI, 48105. Phone: (734) 647-5940. Providers update this record themselves, so call before visiting.
How can I verify James R. Baker, MD's license?
NPPES lists Michigan license number 4301054776, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
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.