NPIMap

Organization Active NPI

Elk Regional Professional Group, Inc

  • Clinical Electrophysiology Physical Therapist
  • St Marys, PA
National Provider Identifier
1821085044
Registry record updated Sep 11, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical Electrophysiology Physical TherapistTaxonomy code 2251E1300X
Legal business name
ELK REGIONAL PROFESSIONAL GROUP, INC
Practice address
761 Johnsonburg Rd
Suite 310
St Marys, PA 15857-3483
Phone
(814) 788-8188
Fax
(814) 834-6291
NPI assigned
Oct 3, 2005
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Sep 11, 2025

Registry information is reported by the provider to CMS and is not verified. About this source

Authorized official

Name
Rita V Olszewski
Title
Vice President, Erpg
Phone
(814) 788-8580

Specialties & licenses 4

Specialty (taxonomy)CodeLicenseStatePrimary
Orthopaedic Surgery PhysicianGroup: 193200000X MULTI-SPECIALTY GROUP 207X00000X
Physical TherapistGroup: 193200000X MULTI-SPECIALTY GROUP 225100000X
Clinical Electrophysiology Physical TherapistGroup: 193200000X MULTI-SPECIALTY GROUP 2251E1300X Primary
Nurse PractitionerGroup: 193200000X MULTI-SPECIALTY GROUP 363L00000X

Addresses

Primary practice location

761 Johnsonburg Rd
Suite 310
St Marys, PA 15857-3483

Mailing address

761 Johnsonburg Rd
Suite 310
St Marys, PA 15857-3483
Phone (814) 788-8188

Other identifiers 2

IdentifierTypeStateIssuer
1437510OtherPAHIGHMARK ASSIGNMENT
0018592850017MedicaidPA

Other names 1

  • ERPG Orthopedic Services Other name

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in PA

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20040423000700 PA Part B Supplier - Clinic/Group Practice 4486553278 Receives reassigned benefits from 12 practitioners
15 other NPIs on this enrollment
This NPI is an additional NPI on the enrollment
Practice locations: Kane, PA

Other NPIs on the same Medicare enrollment 15

NPIs listed together on one Medicare enrollment, typically parts of the same organization.

View all 15

National Provider Directory

National Provider Directory
Tax ID family
Elk Regional Professional Group Inc35 organizations share this tax ID, including this one

Other organizations with this tax ID 34

Organizations that report the same tax identification number in the National Provider Directory.

View all 34

Practitioners & affiliated clinicians

Practitioners 2

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1128297600000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1757548800000",
    "number": "1821085044",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "761 JOHNSONBURG RD",
            "address_2": "SUITE 310",
            "city": "ST MARYS",
            "state": "PA",
            "postal_code": "158573483",
            "telephone_number": "814-788-8188",
            "fax_number": "814-834-6291"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "761 JOHNSONBURG RD",
            "address_2": "SUITE 310",
            "city": "ST MARYS",
            "state": "PA",
            "postal_code": "158573483",
            "telephone_number": "814-788-8188",
            "fax_number": "814-834-6291"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "ELK REGIONAL PROFESSIONAL GROUP, INC",
        "organizational_subpart": "NO",
        "enumeration_date": "2005-10-03",
        "last_updated": "2025-09-11",
        "status": "A",
        "authorized_official_last_name": "OLSZEWSKI",
        "authorized_official_first_name": "RITA",
        "authorized_official_middle_name": "V",
        "authorized_official_title_or_position": "VICE PRESIDENT, ERPG",
        "authorized_official_telephone_number": "814-788-8580"
    },
    "taxonomies": [
        {
            "code": "207X00000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Orthopaedic Surgery",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "225100000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Physical Therapist",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "2251E1300X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Physical Therapist, Electrophysiology, Clinical",
            "state": null,
            "license": null,
            "primary": true
        },
        {
            "code": "363L00000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Nurse Practitioner",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "HIGHMARK ASSIGNMENT",
            "identifier": "1437510",
            "state": "PA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "0018592850017",
            "state": "PA"
        }
    ],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "ERPG Orthopedic Services",
            "code": "5",
            "type": "Other Name"
        }
    ]
}

Other providers in St Marys, PA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.