Peter Stillwell, MD
NPI 1659314227 · Diagnostic Radiology Physician · Ephrata, PA
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Peter Stillwell, MD is a Diagnostic Radiology Physician provider in Ephrata, PA (NPI 1659314227).
Provider details
- NPI number
- 1659314227
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD074046L (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
11 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
3,017 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) |
|---|---|---|
| Screening 3d Breast Mammography77063 | 377 | $26 |
| Screening Mammography77067 | 377 | $34 |
| Screening 3d Breast Mammography77063 | 335 | $26 |
| Screening Mammography77067 | 335 | $34 |
| X-Ray of Chest, 1 View71045 | 226 | $8 |
| Diagnostic Digital Breast Tomosynthesis, Unilateral Or Bilateral (list Separately in Addition to 77065 Or 77066)G0279 | 143 | $27 |
Practice location
Mailing address
Additional practice locations (10)
- 1201 Letort Springs WayCarlisle, PA 17015-8011Phone: (717) 674-7600
- 460 N Reading RdEphrata, PA 17522-9606Phone: (717) 721-4840
- 36 Robinhood DrEtters, PA 17319-9528Phone: (717) 388-7300
- 147 Gettys StGettysburg, PA 17325-2534Phone: (717) 337-4207
- 250 College AveLancaster, PA 17603-3363Phone: (717) 735-8199
- 35 Erick RdLancaster, PA 17601-3111Phone: (717) 690-0785
- 252 S 4th StLebanon, PA 17042-6111Phone: (717) 270-7732
- 844 Tuck StLebanon, PA 17042-7477Phone: (717) 639-3915
- 14781 Wolfe RdNew Freedom, PA 17349-9571Phone: (717) 326-1880
- 35 Monument Rd Ste 201
Registry dates
- Enumerated
- 2006-06-13
- Last updated
- 2026-02-09
- Certified
- 2026-02-09
Frequently asked questions
- What is Peter Stillwell's NPI number?
- Peter Stillwell's National Provider Identifier (NPI) is 1659314227, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Peter Stillwell's specialty?
- Peter Stillwell is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Peter Stillwell located?
- Peter Stillwell's practice location on file with NPPES is 169 Martin Ave, Ephrata, PA 17522-1724.
- What is Peter Stillwell's phone number?
- The practice phone number listed in the NPPES registry for Peter Stillwell is (717) 738-6414.
- Does Peter Stillwell accept Medicare?
- Peter Stillwell is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Peter Stillwell's NPI active?
- Yes — Peter Stillwell's NPI (1659314227) is active in the NPPES registry as of the last update on 2026-02-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.