Mary Stark, PAC
NPI 1851352884 · Physician Assistant · Annville, PA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Stark, PAC is a Physician Assistant provider in Annville, PA (NPI 1851352884).
Provider details
- NPI number
- 1851352884
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PAC
- Sex
- Female
- Sole proprietor
- No
- License
- MA003135L (PA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
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
4 documented practice locations
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
Additional practice locations (3)
- 446 N Reading RdEphrata, PA 17522-9802Phone: (717) 738-5275Fax: (717) 738-5278
- 252 S 4th StLebanon, PA 17042-6111Phone: (717) 270-7688Fax: (717) 270-3790
- 101 W Airport RdLititz, PA 17543-9274Phone: (717) 466-2445Fax: (717) 466-2447
Registry dates
- Enumerated
- 2006-03-29
- Last updated
- 2025-03-06
- Certified
- 2025-03-06
Frequently asked questions
- What is Mary Stark's NPI number?
- Mary Stark's National Provider Identifier (NPI) is 1851352884, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Stark's specialty?
- Mary Stark is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mary Stark located?
- Mary Stark's practice location on file with NPPES is 9 Nathan Ln, Annville, PA 17003-6500.
- What is Mary Stark's phone number?
- The practice phone number listed in the NPPES registry for Mary Stark is (717) 639-3350.
- Does Mary Stark accept Medicare?
- Mary Stark is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Stark's NPI active?
- Yes — Mary Stark's NPI (1851352884) is active in the NPPES registry as of the last update on 2025-03-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.