Mark Regan, M.D.
NPI 1225026636 · Anatomic Pathology & Clinical Pathology Physician · Lancaster, PA
Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Regan, M.D. is a Anatomic Pathology & Clinical Pathology Physician provider in Lancaster, PA (NPI 1225026636).
Provider details
- NPI number
- 1225026636
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology & Clinical Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD031696E (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-10-10
- Last updated
- 2013-07-10
Frequently asked questions
- What is Mark Regan's NPI number?
- Mark Regan's National Provider Identifier (NPI) is 1225026636, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Regan's specialty?
- Mark Regan is listed in the NPPES registry with a primary specialty of Anatomic Pathology & Clinical Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Regan located?
- Mark Regan's practice location on file with NPPES is 1761 Wicklawn Dr, Lancaster, PA 17603-2348.
- What is Mark Regan's phone number?
- The practice phone number listed in the NPPES registry for Mark Regan is (717) 293-8380.
- Does Mark Regan accept Medicare?
- Mark Regan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Regan's NPI active?
- Yes — Mark Regan's NPI (1225026636) is active in the NPPES registry as of the last update on 2013-07-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.