Doctor profile · Federal record

Dr. James Baker, MD

Allergy & Immunology (Internal Medicine) Physician (CMS: Allergy/Immunology) · Internal Medicine Physician · Ann Arbor, MI

  • NPI 1063501989
  • Accepts Medicare
  • 48 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
24 Frank Lloyd Wright Dr, Suite H-2100
Ann Arbor, MI 481059484
(734) 647-5940
Mailing address
3621 S State St
Ann Arbor, MI 481081633

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
September 10, 2020
Year of graduation
1978 — 48 yrs since
Specialty taxonomy
207RA0201X — NUCC code
State license (1)
Michigan #4301054776
Medicaid
MI #2590710

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1063501989. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$50
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Genentech, Inc. 1 $37.70
Endogastric Solutions, Inc 1 $12.40

By nature of payment

Food and Beverage
$50

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. James Baker's medical specialty?
Dr. James Baker practices Allergy & Immunology (Internal Medicine) Physician in Ann Arbor, MI.
Where does Dr. James Baker practice?
Dr. James Baker practices at 24 Frank Lloyd Wright Dr, Ann Arbor, MI 481059484. Office phone: 7346475940.
What is Dr. James Baker's NPI?
Dr. James Baker's National Provider Identifier (NPI) is 1063501989, issued by NPPES.
Does Dr. James Baker accept Medicare assignment?
Yes. Dr. James Baker accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.