Doctor profile · Federal record

Dr. Thomas Foster, MD

Adolescent Medicine (Internal Medicine) Physician (CMS: Internal Medicine) · Internal Medicine Physician · Pediatrics Physician · Grand Rapids, MI

  • NPI 1033183371
  • Accepts Medicare
  • 36 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2373 64Th St Sw, Ste 1300
Grand Rapids, MI 49315
(616) 685-1350
Mailing address
245 State St Se, Ste 1A
Grand Rapids, MI 49503

Credentials & registration

NPPES · NUCC
NPI registered
February 2006 — 20 yrs on file
Profile last updated
September 11, 2012
Year of graduation
1990 — 36 yrs since
Specialty taxonomy
207RA0000X — NUCC code
State license (1)
Michigan #4301086395
Medicaid
IL #036088888

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1033183371. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
95
Distinct HCPCS
3
Medicare allowed
$8,918
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 54 32 $94
99213 Established patient office or other outpatient visit, 20-29 minutes 25 22 $65
99215 Established patient office or other outpatient visit, 40-54 minutes 16 12 $138

In context: peer comparison

Among 2 peers in this city , average services per provider: 47. This provider delivers 2.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,178
Patients
367
Total drug cost
$23,707
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 158 56 $3,265
Amlodipine Besylate Generic 123 32 $1,519
Lisinopril Generic 123 39 $1,938
Omeprazole Generic 98 36 $3,082
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 93 19 $2,189
Metoprolol Succinate Generic 87 24 $2,338
Metformin Hcl Generic 74 23 $1,386
Gabapentin Generic 66 23 $1,116
Levothyroxine Sodium Generic 58 18 $1,359
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 56 16 $2,282

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Thomas Foster's medical specialty?
Dr. Thomas Foster practices Adolescent Medicine (Internal Medicine) Physician in Grand Rapids, MI.
Where does Dr. Thomas Foster practice?
Dr. Thomas Foster practices at 2373 64Th St Sw, Grand Rapids, MI 49315. Office phone: 6166851350.
What is Dr. Thomas Foster's NPI?
Dr. Thomas Foster's National Provider Identifier (NPI) is 1033183371, issued by NPPES.
Does Dr. Thomas Foster accept Medicare assignment?
Yes. Dr. Thomas Foster accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Thomas Foster commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.