Craig Keller, M.D.
NPI 1831481365 · Gastroenterology Physician · Williamsville, NY
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Craig Keller, M.D. is a Gastroenterology Physician provider in Williamsville, NY (NPI 1831481365).
Provider details
- NPI number
- 1831481365
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 286301 (NY)
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
15 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
352 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 102 | $119 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 59 | $195 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 57 | $71 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 52 | $158 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 32 | $85 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 33 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 370 | 102 |
| Omeprazole | 272 | 81 |
| Famotidine | 101 | 43 |
| Mesalamine | 51 | — |
| Dicyclomine Hcl | 48 | 18 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-G | 48 | 48 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Peg-3350 and Electrolytes | 44 | 43 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$774 across 39 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
Additional practice locations (1)
- 100 High StBuffalo, NY 14203-1126Phone: (716) 361-9538
Registry dates
- Enumerated
- 2011-05-02
- Last updated
- 2022-07-21
Frequently asked questions
- What is Craig Keller's NPI number?
- Craig Keller's National Provider Identifier (NPI) is 1831481365, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Craig Keller's specialty?
- Craig Keller is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Craig Keller located?
- Craig Keller's practice location on file with NPPES is 60 Maple Rd Ste 1, Williamsville, NY 14221-2917.
- What is Craig Keller's phone number?
- The practice phone number listed in the NPPES registry for Craig Keller is (716) 626-5250.
- Does Craig Keller accept Medicare?
- Craig Keller is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Craig Keller's NPI active?
- Yes — Craig Keller's NPI (1831481365) is active in the NPPES registry as of the last update on 2022-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.