Peter Naas, M.D.
NPI 1215135199 · Gastroenterology Physician · Greenville, SC
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Peter Naas, M.D. is a Gastroenterology Physician provider in Greenville, SC (NPI 1215135199).
Provider details
- NPI number
- 1215135199
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 30027 (SC)
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
18 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
1,620 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 | 411 | $31 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 287 | $119 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 151 | $232 |
| Special Stained Specimen Slides to Examine Tissue Including Interpretation and Report88313 | 145 | $62 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 117 | $96 |
| 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 · 22 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Omeprazole | 279 | 122 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-G | 69 | 64 |
| Famotidine | 58 | 33 |
| Pantoprazole Sodium | 55 | 23 |
| Esomeprazole Magnesium | 30 | 12 |
| Linaclotidebrand: Linzess | 25 | — |
| Sucralfate | 24 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,242 across 74 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
- 2007-07-03
- Last updated
- 2024-05-20
- Certified
- 2024-05-20
Frequently asked questions
- What is Peter Naas's NPI number?
- Peter Naas's National Provider Identifier (NPI) is 1215135199, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Peter Naas's specialty?
- Peter Naas is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Peter Naas located?
- Peter Naas's practice location on file with NPPES is 125 Halton Rd Ste 200, Greenville, SC 29607-3507.
- What is Peter Naas's phone number?
- The practice phone number listed in the NPPES registry for Peter Naas is (864) 232-7338.
- Does Peter Naas accept Medicare?
- Peter Naas is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Peter Naas's NPI active?
- Yes — Peter Naas's NPI (1215135199) is active in the NPPES registry as of the last update on 2024-05-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.