Doctor profile · Federal record

Dr. Porama Thanaporn, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Internal Medicine Physician · Hospitalist Physician · Ann Arbor, MI

  • NPI 1194902874
  • Accepts Medicare
  • 22 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1500 E Medical Center Drive, 3Rd Floor Taubman Center Recp B
Ann Arbor, MI 481095352
(734) 936-5582
Mailing address
3621 S State St, 700 Kms Place
Ann Arbor, MI 48108

Credentials & registration

NPPES · NUCC
NPI registered
January 2008 — 18 yrs on file
Profile last updated
May 20, 2015
Year of graduation
2004 — 22 yrs since
Specialty taxonomy
207R00000X — NUCC code
State licenses (2)
Michigan #4301106262 · California #A104506

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1194902874. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
458
Distinct HCPCS
5
Medicare allowed
$54,426
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 322 110 $121
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 57 34 $81
99239 Hospital discharge day management, more than 30 minutes 40 40 $117
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 26 26 $177
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 13 13 $133

In context: peer comparison

Among 135 peers in Ann Arbor Internal Medicine Physician, average services per provider: 77. This provider delivers 5.9× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
12
Patients
0
Total drug cost
$259
Drug Type Claims Patients Total cost
Techlite Pen Needle (Pen Needle, Diabetic) Brand 12 0 $259

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Porama Thanaporn's medical specialty?
Dr. Porama Thanaporn practices Internal Medicine Physician in Ann Arbor, MI.
Where does Dr. Porama Thanaporn practice?
Dr. Porama Thanaporn practices at 1500 E Medical Center Drive, Ann Arbor, MI 481095352. Office phone: 7349365582.
What is Dr. Porama Thanaporn's NPI?
Dr. Porama Thanaporn's National Provider Identifier (NPI) is 1194902874, issued by NPPES.
Does Dr. Porama Thanaporn accept Medicare assignment?
Yes. Dr. Porama Thanaporn accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Porama Thanaporn commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.