Doctor profile · Federal record

Dr. Thomas Wichelmann, DO

Gastroenterology Physician · Internal Medicine Physician · Southfield, MI

  • NPI 1851852628
  • 7 yrs on file
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
22250 Providence Dr Ste 301A
Southfield, MI 480756211
(248) 849-3254
fax (248) 849-5449
Additional location
1775 Ballard RD
Park Ridge, IL 600681005
(847) 318-9340

Credentials & registration

NPPES · NUCC
NPI registered
March 2019 — 7 yrs on file
Profile last updated
August 3, 2023
Specialty taxonomy
207RG0100X — NUCC code
State licenses (2)
Michigan #5315240788 · Illinois #036-158337

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1851852628. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
37
Distinct HCPCS
2
Medicare allowed
$4,235
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 21 19 $130
99213 Established patient office or other outpatient visit, 20-29 minutes 16 16 $95

In context: peer comparison

Among 7 peers in Southfield Gastroenterology Physician, average services per provider: 69. This provider delivers 0.5× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,215
Transactions
16
Manufacturers
7
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 3 $373.18
Janssen Biotech, INC. 6 $303.71
Janssen Scientific Affairs, LLC 2 $155.66
Genzyme Corporation 1 $124.74
Gilead Sciences, INC. 1 $107.10
Regeneron Healthcare Solutions, INC. 1 $107.10
Takeda Pharmaceuticals U.S.A., INC. 2 $43.72

By nature of payment

Food and Beverage
$1,116
Education
$99

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
14
Patients
0
Total drug cost
$76
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 14 0 $76

Frequently asked questions

Auto-generated from federal data
What is Dr. Thomas Wichelmann's medical specialty?
Dr. Thomas Wichelmann practices Gastroenterology Physician in Southfield, MI.
Where does Dr. Thomas Wichelmann practice?
Dr. Thomas Wichelmann practices at 22250 Providence Dr Ste 301A, Southfield, MI 480756211. Office phone: 2488493254.
What is Dr. Thomas Wichelmann's NPI?
Dr. Thomas Wichelmann's National Provider Identifier (NPI) is 1851852628, issued by NPPES.
What procedures does Dr. Thomas Wichelmann 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). Source: CMS Medicare Physician & Other Practitioners file.