1. Home
  2. Directory
  3. Pennsylvania
  4. St Marys
  5. Nurse Practitioner
  6. NPI Profile

ELK REGIONAL PROFESSIONAL GROUP, INC
NPI 1336136720
Nurse Practitioner in St Marys, PA

Active since September 30, 2005
136 STATE ST, ST MARYS, PA 15857(814) 781-6758(814) 834-1038 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Sep 11, 2025, Aug 22, 2020 (2 updates tracked since 2020).

About Elk Regional Professional Group, Inc NPPES

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

ELK REGIONAL PROFESSIONAL GROUP, INC (NPI 1336136720) is a healthcare organization registered as a nurse practitioner in St Marys, Pennsylvania and active in the NPI registry since September 2005. The organization lists Rita V Olszewski, Vice President, Erpg, as its authorized official.

NPPES Registry Identity

NPI1336136720
Entity TypeOrganization
Primary Taxonomy363L00000X
Legal Business NameELK REGIONAL PROFESSIONAL GROUP, INC
Location Address136 STATE STSt Marys, PA 15857-1626
Mailing Address136 State StSt Marys, PA 15857-1626 · (814) 781-6758 · Fax (814) 834-1038
Phone(814) 781-6758
Fax(814) 834-1038
Organization SubpartNo
Authorized OfficialRita V OlszewskiVice President, Erpg · (814) 788-8580
Enumeration DateSeptember 30, 2005
Last NPPES UpdateSeptember 11, 20252 updates tracked since enumeration
✔ NPI 1336136720 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
Definition

(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.

Also ListedFamily MedicineTaxonomy 207Q00000X
Also ListedPhysician AssistantTaxonomy 363A00000X
136 STATE ST, St Marys, PA 15857
Open in Google Maps ↗

Other Names 1

Other NameErpg Keystone Medical Associates

Other Identifiers 2

Medicaid0018592850010PA
Other1418283PA · Highmark Assignment

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

Other Providers at the Same Location NPPES

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

ELK REGIONAL PROFESSIONAL GROUP, INC.
Clinical Medical Laboratory
136 STATE ST
SAINT MARYS, PA 15857
Elk County (814) 781-6758

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 Elk Regional Professional Group, Inc's NPI number?

The NPI number for Elk Regional Professional Group, Inc is 1336136720. It was assigned to this organization in the NPPES registry on September 30, 2005. The provider is also known as ERPG Keystone Medical Associates.

Where is Elk Regional Professional Group, Inc located?

Elk Regional Professional Group, Inc is located at 136 State St, St Marys, PA 15857. The listed phone number is (814) 781-6758.

What is Elk Regional Professional Group, Inc's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

When was this NPI record last updated?

The NPPES record for Elk Regional Professional Group, Inc was last updated on September 11, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.