Peter Gregory, MD
NPI 1639285521 · Diagnostic Radiology Physician · Clarks Summit, PA
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Peter Gregory, MD is a Diagnostic Radiology Physician provider in Clarks Summit, PA (NPI 1639285521).
Provider details
- NPI number
- 1639285521
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD051388L (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
2,078 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| X-Ray of Chest, 1 View71045 | 193 | $9 |
| Screening Mammography77067 | 185 | $34 |
| Screening 3d Breast Mammography77063 | 184 | $27 |
| X-Ray of Chest, 2 Views71046 | 133 | $10 |
| Ct Scan Head Or Brain Without Contrast70450 | 116 | $40 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 106 | $87 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-22
- Last updated
- 2010-07-22
Frequently asked questions
- What is Peter Gregory's NPI number?
- Peter Gregory's National Provider Identifier (NPI) is 1639285521, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Peter Gregory's specialty?
- Peter Gregory is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Peter Gregory located?
- Peter Gregory's practice location on file with NPPES is 638 Fairview Rd, Clarks Summit, PA 18411-8955.
- What is Peter Gregory's phone number?
- The practice phone number listed in the NPPES registry for Peter Gregory is (570) 281-1315.
- Does Peter Gregory accept Medicare?
- Peter Gregory is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Peter Gregory's NPI active?
- Yes — Peter Gregory's NPI (1639285521) is active in the NPPES registry as of the last update on 2010-07-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.