NPIMap

Organization Active NPI

Elk Regional Professional Group, Inc.

  • Rheumatology Physician
  • Emporium, PA
National Provider Identifier
1790772184
Registry record updated Sep 11, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Rheumatology PhysicianTaxonomy code 207RR0500X
Legal business name
ELK REGIONAL PROFESSIONAL GROUP, INC.
Practice address
275 E 4TH St
Emporium, PA 15834-1411
Phone
(814) 486-1785
Fax
(814) 486-3111
NPI assigned
Sep 30, 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 2

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine PhysicianGroup: 193200000X MULTI-SPECIALTY GROUP 207R00000X
Rheumatology PhysicianGroup: 193200000X MULTI-SPECIALTY GROUP 207RR0500X Primary

Addresses

Primary practice location

275 E 4TH St
Emporium, PA 15834-1411

Mailing address

763 Johnsonburg Rd
Saint Marys, PA 15857-3417
Phone (814) 788-8580

Other identifiers 2

IdentifierTypeStateIssuer
1759558OtherPAHIGHMARK ASSIGNMENT
0018592850001MedicaidPA

Other names 1

  • ERPG Internal Medicine 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

NPI Registry JSON

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

{
    "created_epoch": "1128038400000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1757548800000",
    "number": "1790772184",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "763 JOHNSONBURG RD",
            "city": "SAINT MARYS",
            "state": "PA",
            "postal_code": "158573417",
            "telephone_number": "814-788-8580",
            "fax_number": "814-888-8042"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "275 E 4TH ST",
            "city": "EMPORIUM",
            "state": "PA",
            "postal_code": "158341411",
            "telephone_number": "814-486-1785",
            "fax_number": "814-486-3111"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "ELK REGIONAL PROFESSIONAL GROUP, INC.",
        "organizational_subpart": "NO",
        "enumeration_date": "2005-09-30",
        "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": "207R00000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Internal Medicine",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207RR0500X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Internal Medicine, Rheumatology",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "HIGHMARK ASSIGNMENT",
            "identifier": "1759558",
            "state": "PA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "0018592850001",
            "state": "PA"
        }
    ],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "ERPG Internal Medicine Services",
            "code": "5",
            "type": "Other Name"
        }
    ]
}

Other providers in Emporium, 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.