Thomas Riley, MD
NPI 1992899389 · Gastroenterology Physician · Wyoming, MI
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thomas Riley, MD is a Gastroenterology Physician provider in Wyoming, MI (NPI 1992899389).
Provider details
- NPI number
- 1992899389
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD2004-0777 (NM)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
173 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| 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 MonitoG0500 | 30 | $6 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 28 | $81 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 23 | $228 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 20 | $130 |
| Diagnostic Exam of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43235 | 18 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Sodium Chloride/Nahco3/Kcl/Pegbrand: Peg 3350-Electrolyte | 223 | 211 |
| Omeprazole | 117 | 52 |
| Famotidine | 41 | 14 |
| Pantoprazole Sodium | 41 | 18 |
| Ondansetron Hcl | 38 | 14 |
| Lipase/Protease/Amylasebrand: Creon | 29 | — |
| Ursodiol | 21 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$184 across 3 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-03
- Last updated
- 2020-06-29
- Certified
- 2020-06-29
Frequently asked questions
- What is Thomas Riley's NPI number?
- Thomas Riley's National Provider Identifier (NPI) is 1992899389, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Riley's specialty?
- Thomas Riley is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Thomas Riley located?
- Thomas Riley's practice location on file with NPPES is Metro Health - University of Michigan Health, Wyoming, MI 49519.
- What is Thomas Riley's phone number?
- The practice phone number listed in the NPPES registry for Thomas Riley is (505) 462-6200.
- Does Thomas Riley accept Medicare?
- Thomas Riley is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thomas Riley's NPI active?
- Yes — Thomas Riley's NPI (1992899389) is active in the NPPES registry as of the last update on 2020-06-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.