Doctor profile · Federal record

Dr. Thomas Riley, MD

Gastroenterology Physician (CMS: Gastroenterology) · Wyoming, MI

  • NPI 1992899389
  • Accepts Medicare
  • 35 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
Metro Health - University of Michigan Health, 2093 Health Drive Sw
Wyoming, MI 49519
(505) 462-6200
fax (505) 462-6218
Mailing address
5900 Byron Center Ave Sw
Wyoming, MI 495199686

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
June 29, 2020
Year of graduation
1991 — 35 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
New Mexico #MD2004-0777
Medicaid
NM #76883353

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1992899389. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
120
Distinct HCPCS
8
Medicare allowed
$14,095
HCPCS Description Services Patients Avg allowed
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 26 25 $81
G0500 Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito 21 21 $5
99214 Established patient office or other outpatient visit, 30-39 minutes 14 11 $96
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 13 13 $234
43259 Ultrasound exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 12 12 $219
99204 New patient office or other outpatient visit, 45-59 minutes 12 12 $121
45380 Biopsy of large bowel using a flexible endoscope 11 11 $130
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk 11 11 $180

In context: peer comparison

Among 4 peers in Wyoming Gastroenterology Physician, average services per provider: 43. This provider delivers 2.8× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$184
Transactions
3
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Boston Scientific Corporation 1 $155.91
Abbvie INC. 2 $28.04

By nature of payment

Food and Beverage
$184

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
521
Patients
252
Total drug cost
$110,296
Drug Type Claims Patients Total cost
Peg 3350-Electrolyte (Sodium Chloride/Nahco3/Kcl/Peg) Brand 173 161 $5,046
Omeprazole Generic 106 46 $2,255
Famotidine Generic 44 16 $1,122
Pantoprazole Sodium Generic 43 15 $872
Creon (Lipase/Protease/Amylase) Brand 37 0 $73,309
Linzess (Linaclotide) Brand 22 0 $16,016
Promethazine Hcl Generic 18 0 $195
Sucralfate Generic 18 0 $5,443
Dicyclomine Hcl Generic 17 0 $327
Amitriptyline Hcl Generic 15 0 $67

Frequently asked questions

Auto-generated from federal data
What is Dr. Thomas Riley's medical specialty?
Dr. Thomas Riley practices Gastroenterology Physician in Wyoming, MI.
Where does Dr. Thomas Riley practice?
Dr. Thomas Riley practices at Metro Health - University of Michigan Health, Wyoming, MI 49519. Office phone: 5054626200.
What is Dr. Thomas Riley's NPI?
Dr. Thomas Riley's National Provider Identifier (NPI) is 1992899389, issued by NPPES.
Does Dr. Thomas Riley accept Medicare assignment?
Yes. Dr. Thomas Riley accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Thomas Riley commonly perform?
Top Medicare-reported procedures in 2023: Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239); Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito (HCPCS G0500); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.