Geisinger Clinic
NPI 1518918051 · Ophthalmology Physician · Lewistown, PA
Geisinger Clinic is a Ophthalmology Physician organization in Lewistown, PA (NPI 1518918051).
Provider details
- NPI number
- 1518918051
- Entity type
- Organization
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Kenneth Holdren, Cao(570) 271-5490
Specialties & taxonomies
Allopathic & Osteopathic Physicians
- Physician Assistant363A00000X
Physician Assistants & Advanced Practice Nursing Providers
- Nurse Practitioner363L00000X
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
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
- 2006-05-12
- Last updated
- 2008-06-27
Frequently asked questions
- What is Geisinger Clinic's NPI number?
- Geisinger Clinic's National Provider Identifier (NPI) is 1518918051, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Geisinger Clinic?
- Geisinger Clinic is classified in the NPPES registry as Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Geisinger Clinic located?
- Geisinger Clinic's practice location on file with NPPES is 21 Geisinger Lane, Lewistown, PA 17044.
- What is Geisinger Clinic's phone number?
- The practice phone number listed in the NPPES registry for Geisinger Clinic is (717) 242-4200.
- Who is the authorized official for Geisinger Clinic?
- The authorized official listed on Geisinger Clinic's NPPES record is Kenneth Holdren, Cao. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Geisinger Clinic's NPI active?
- Yes — Geisinger Clinic's NPI (1518918051) is active in the NPPES registry as of the last update on 2008-06-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.