Elizabeth Gregory
NPI 1801329511 · Gastroenterology Physician · Buffalo, NY
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Elizabeth Gregory is a Gastroenterology Physician provider in Buffalo, NY (NPI 1801329511).
Provider details
- NPI number
- 1801329511
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
9 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
212 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) |
|---|---|---|
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 74 | $97 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 44 | $236 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 41 | $158 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 31 | $122 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 22 | $109 |
Typical Medicare-allowed amounts for these services range $97–$236 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Omeprazole | 271 | 76 |
| Pantoprazole Sodium | 75 | 27 |
| Famotidine | 50 | 20 |
| Linaclotidebrand: Linzess | 28 | 11 |
| Rabeprazole Sodium | 24 | — |
| Colestipol Hcl | 23 | — |
| Cholestyramine (with Sugar)brand: Cholestyramine | 22 | 12 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,690 across 167 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)
- Elm and Carlton StBuffalo, NY 14263-0001Phone: (716) 845-2300
Registry dates
- Enumerated
- 2017-04-10
- Last updated
- 2025-05-27
- Certified
- 2025-05-27
Frequently asked questions
- What is Elizabeth Gregory's NPI number?
- Elizabeth Gregory's National Provider Identifier (NPI) is 1801329511, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Elizabeth Gregory's specialty?
- Elizabeth Gregory is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Elizabeth Gregory located?
- Elizabeth Gregory's practice location on file with NPPES is 60 Maple Rd Ste 1, Buffalo, NY 14221-2917.
- What is Elizabeth Gregory's phone number?
- The practice phone number listed in the NPPES registry for Elizabeth Gregory is (716) 626-5250.
- Does Elizabeth Gregory accept Medicare?
- Elizabeth Gregory is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Elizabeth Gregory's NPI active?
- Yes — Elizabeth Gregory's NPI (1801329511) is active in the NPPES registry as of the last update on 2025-05-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.