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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: November 01, 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
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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

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Elk Regional Professional Group, Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

12

Medicare enrollment records show 12 clinicians reassign Medicare billing to Elk Regional Professional Group, Inc, which bills Medicare for the services they deliver. Of these, 11 practice within 10 miles. They are listed nearest first.

Clinicians by Medicare Specialty 3

Physical Therapist in Private Practice7
Occupational Therapist in Private Practice3
Qualified Speech Language Pathologist2

Clinicians, nearest first (12)

Kathryn Bauer
Physical Therapist in Private Practice
NPI 1700354867
763 JOHNSONBURG RD
Saint Marys, PA 15857
(814) 788-8816
0.8 mi
Angela Casilio, OT
Occupational Therapist in Private Practice
NPI 1447270244
763 JOHNSONBURG RD
Saint Marys, PA 15857
(814) 965-5279
✔ Accepts Medicare0.8 mi
Rebecca Kronenwetter, SLP
Qualified Speech Language Pathologist
NPI 1144766858
763 JOHNSONBURG RD REHAB BUILDING
Saint Marys, PA 15857
(814) 788-8687
0.8 mi
Rebecca Piccolo, OTR/L
Occupational Therapist in Private Practice
NPI 1467621649
763 JOHNSONBURG RD
Saint Marys, PA 15857
(814) 788-8819
0.8 mi
Hannah Eckert
Occupational Therapist in Private Practice
NPI 1992504666
757 JOHNSONBURG RD
Saint Marys, PA 15857
(814) 594-3324
✔ Accepts Medicare1.0 mi
Tricia Stauffer, M.S. C.C.C. SLP/L
Qualified Speech Language Pathologist
NPI 1467694646
757 JOHNSONBURG RD
Saint Marys, PA 15857
(814) 788-8687
1.0 mi
Frank Bouch
Physical Therapist in Private Practice
NPI 1033587480
763 JOHNSONBURG RD
Saint Marys, PA 15857
(814) 788-8490
1.0 mi
Julie Miller, PT
Physical Therapist in Private Practice
NPI 1134487721
425 OLD KERSEY RD
Kersey, PA 15846
(814) 834-1190
✔ Accepts Medicare2.6 mi
Paul Allegretto, MSPT
Physical Therapist in Private Practice
NPI 1518334952
111-113 COBB ST.
Johnsonburg, PA 15845
(814) 965-5279
7.4 mi
David Cicione
Physical Therapist in Private Practice
NPI 1760859540
104 METOXET ST
Ridgway, PA 15853
(814) 788-5534
8.7 mi
Andrew Dornisch, P.T.
Physical Therapist in Private Practice
NPI 1942677679
104 METOXET ST
Ridgway, PA 15853
(814) 788-5534
✔ Accepts Medicare8.7 mi
Karen Hickey
Physical Therapist in Private Practice
NPI 1578930541
190 FRALEY ST SUITE 1
Kane, PA 16735
(814) 837-8955
✔ Accepts Medicare21 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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.

Is Elk Regional Professional Group, Inc enrolled in Medicare?

Yes. Elk Regional Professional Group, Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Elk Regional Professional Group, Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 12 clinicians in 3 Medicare specialties reassign their Medicare billing to Elk Regional Professional Group, Inc. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. The largest specialties are Physical Therapist in Private Practice (7), Occupational Therapist in Private Practice (3) and Qualified Speech Language Pathologist (2). Of these, 11 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.