Peter Ells, M.D.
NPI 1336174143 · Gastroenterology Physician · East Setauket, NY
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Peter Ells, M.D. is a Gastroenterology Physician provider in East Setauket, NY (NPI 1336174143).
Provider details
- NPI number
- 1336174143
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 147471 (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
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
265 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 | 61 | $91 |
| Measurement of Liver Stiffness91200 | 45 | $10 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 42 | $118 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 32 | $62 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 24 | $87 |
| Diagnostic Exam of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Omeprazole | 82 | 27 |
| Rifaximinbrand: Xifaxan | 49 | 12 |
| Entecavir | 43 | — |
| Azathioprine | 39 | — |
| Ursodiol | 35 | 11 |
| Pantoprazole Sodium | 28 | — |
| Spironolactone | 28 | 11 |
| Lactulose |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$10,990 across 49 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
- 2006-07-11
- Last updated
- 2013-01-04
Frequently asked questions
- What is Peter Ells's NPI number?
- Peter Ells's National Provider Identifier (NPI) is 1336174143, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Peter Ells's specialty?
- Peter Ells is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Peter Ells located?
- Peter Ells's practice location on file with NPPES is 3 Technology Dr, East Setauket, NY 11733.
- What is Peter Ells's phone number?
- The practice phone number listed in the NPPES registry for Peter Ells is (631) 444-5220.
- Does Peter Ells accept Medicare?
- Peter Ells is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Peter Ells's NPI active?
- Yes — Peter Ells's NPI (1336174143) is active in the NPPES registry as of the last update on 2013-01-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.