GEISINGER CLINIC
NPI 1770534166
Internal Medicine in Lewistown, PA

Active since May 12, 2006
21 GEISINGER LN, LEWISTOWN, PA 17044(717) 242-4200 Get Directions Write a Review

NPPES record last updated: February 25, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Feb 25, 2025, Apr 20, 2020 (2 updates tracked since 2020).

About Geisinger Clinic NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

GEISINGER CLINIC (NPI 1770534166) is a healthcare organization registered as an internal medicine in Lewistown, Pennsylvania and active in the NPI registry since May 2006. The organization lists Cindy L Mull, System Director Enrollments, as its authorized official.

NPPES Registry Identity

NPI1770534166
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameGEISINGER CLINIC
Location Address21 GEISINGER LNLewistown, PA 17044-3400
Mailing Address100 N Academy AveDanville, PA 17822-9800
Organization SubpartNo
Authorized OfficialCindy L MullSystem Director Enrollments · (570) 271-6603
Enumeration DateMay 12, 2006
Last NPPES UpdateFebruary 25, 20252 updates tracked since enumeration
NPPES CertifiedFebruary 25, 2025
NPI 1770534166 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 8

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedInternal Medicine · Cardiovascular DiseaseTaxonomy 207RC0000X
Also ListedInternal Medicine · Hematology & OncologyTaxonomy 207RH0003X
Also ListedPsychiatry & Neurology · NeurologyTaxonomy 2084N0400X
Also ListedClinical Medical LaboratoryTaxonomy 291U00000X
Also ListedDurable Medical Equipment & Medical SuppliesTaxonomy 332B00000X
Also ListedPhysician AssistantTaxonomy 363A00000X
Also ListedNurse PractitionerTaxonomy 363L00000X
21 GEISINGER LN, Lewistown, PA 17044

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Accepted Insurance

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Pharmacy (Community/Retail Pharmacy)
21 GEISINGER LN
LEWISTOWN, PA 17044
Dermatology
21 GEISINGER LN
LEWISTOWN, PA 17044
Physician Assistant
21 GEISINGER LN
LEWISTOWN, PA 17044
Physician Assistant
21 GEISINGER LN
LEWISTOWN, PA 17044
Physician Assistant
21 GEISINGER LN
LEWISTOWN, PA 17044
Physician Assistant
21 GEISINGER LN
LEWISTOWN, PA 17044
Dietitian, Registered
21 GEISINGER LN
LEWISTOWN, PA 17044
Physician Assistant
21 GEISINGER LN
LEWISTOWN, PA 17044

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Geisinger Clinic's NPI number?

The NPI number for Geisinger Clinic is 1770534166. It was assigned to this organization in the NPPES registry on May 12, 2006.

Where is Geisinger Clinic located?

Geisinger Clinic is located at 21 Geisinger Ln, Lewistown, PA 17044. The listed phone number is (717) 242-4200.

What is Geisinger Clinic's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

What insurance does Geisinger Clinic accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Buckeye Health Plan list Geisinger Clinic as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Geisinger Clinic was last updated on February 25, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.