Mark Werley, M.D.
NPI 1588929012 · Vascular & Interventional Radiology Physician · Lancaster, PA
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Werley, M.D. is a Vascular & Interventional Radiology Physician provider in Lancaster, PA (NPI 1588929012).
Provider details
- NPI number
- 1588929012
- Entity type
- Individual
- Primary specialty
- Vascular & Interventional Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD444966 (PA)
Specialties & taxonomies
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
13 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
5,456 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, 2 Views71046 | 689 | $10 |
| X-Ray of Chest, 2 Views71046 | 662 | $10 |
| X-Ray of Chest, 1 View71045 | 631 | $8 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 321 | $81 |
| Ct Scan Head Or Brain Without Contrast70450 | 264 | $37 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 231 | $82 |
Practice location
Mailing address
Additional practice locations (1)
- 500 University DrHershey, PA 17033-2360Phone: (717) 531-4935Fax: (717) 531-0336
Registry dates
- Enumerated
- 2012-07-11
- Last updated
- 2025-12-30
- Certified
- 2025-12-30
Frequently asked questions
- What is Mark Werley's NPI number?
- Mark Werley's National Provider Identifier (NPI) is 1588929012, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Werley's specialty?
- Mark Werley is listed in the NPPES registry with a primary specialty of Vascular & Interventional Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Werley located?
- Mark Werley's practice location on file with NPPES is 555 N Duke St, Lancaster, PA 17602-2250.
- What is Mark Werley's phone number?
- The practice phone number listed in the NPPES registry for Mark Werley is (717) 299-4173.
- Does Mark Werley accept Medicare?
- Mark Werley is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Werley's NPI active?
- Yes — Mark Werley's NPI (1588929012) is active in the NPPES registry as of the last update on 2025-12-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.