Michael Williams, MD
NPI 1750334470 · Gastroenterology Physician · Columbia, MO
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Williams, MD is a Gastroenterology Physician provider in Columbia, MO (NPI 1750334470).
Provider details
- NPI number
- 1750334470
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 2017008968 (MO)
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
20 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
3,145 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) |
|---|---|---|
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 828 | $30 |
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 | 534 | $58 |
| Special Stained Specimen Slides to Examine Tissue Including Interpretation and Report88313 | 334 | $59 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 235 | $231 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 231 | $80 |
| Special Stained Specimen Slides to Identify Organisms Including Interpretation and Report |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 18 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Omeprazole | 405 | 106 |
| Pantoprazole Sodium | 99 | 29 |
| Linaclotidebrand: Linzess | 37 | — |
| Sucralfate | 30 | 12 |
| Esomeprazole Magnesium | 29 | — |
| Dicyclomine Hcl | 25 | — |
| Mesalamine | 22 | — |
| Lansoprazole |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$40,124 across 189 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
- 2006-05-17
- Last updated
- 2022-10-06
- Certified
- 2022-10-06
Frequently asked questions
- What is Michael Williams's NPI number?
- Michael Williams's National Provider Identifier (NPI) is 1750334470, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Williams's specialty?
- Michael Williams is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Williams located?
- Michael Williams's practice location on file with NPPES is 210 Portland St Ste 100, Columbia, MO 65201-6677.
- What is Michael Williams's phone number?
- The practice phone number listed in the NPPES registry for Michael Williams is (573) 777-8818.
- Does Michael Williams accept Medicare?
- Michael Williams is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Williams's NPI active?
- Yes — Michael Williams's NPI (1750334470) is active in the NPPES registry as of the last update on 2022-10-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.