Elk Regional Professional Group, Inc
NPI 1336136720 · Nurse Practitioner · St Marys, PA
Elk Regional Professional Group, Inc is a Nurse Practitioner organization in St Marys, PA (NPI 1336136720).
Provider details
- NPI number
- 1336136720
- Entity type
- Organization
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Organization subpart
- No
- Authorized official
- Rita Olszewski, Vice President, Erpg(814) 788-8580
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
- Family Medicine Physician207Q00000X
Allopathic & Osteopathic Physicians
- Physician Assistant363A00000X
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Other names (DBA / former)
- Other name
- Erpg Keystone Medical Associates
Registry dates
- Enumerated
- 2005-09-30
- Last updated
- 2025-09-11
Frequently asked questions
- What is Elk Regional Professional Group, Inc's NPI number?
- Elk Regional Professional Group, Inc's National Provider Identifier (NPI) is 1336136720, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Elk Regional Professional Group, Inc?
- Elk Regional Professional Group, Inc is classified in the NPPES registry as Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Elk Regional Professional Group, Inc located?
- Elk Regional Professional Group, Inc's practice location on file with NPPES is 136 State St, St Marys, PA 15857-1626.
- What is Elk Regional Professional Group, Inc's phone number?
- The practice phone number listed in the NPPES registry for Elk Regional Professional Group, Inc is (814) 781-6758.
- Who is the authorized official for Elk Regional Professional Group, Inc?
- The authorized official listed on Elk Regional Professional Group, Inc's NPPES record is Rita Olszewski, Vice President, Erpg. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Elk Regional Professional Group, Inc's NPI active?
- Yes — Elk Regional Professional Group, Inc's NPI (1336136720) is active in the NPPES registry as of the last update on 2025-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.