Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Grace Johna Olshefski, CRNP

Family Nurse Practitioner in Bloomsburg, PA · enumerated 2019.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1821644360

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Registry record

Entity type Individual (Type 1)

Name Dr. Grace Johna Olshefski

Credential CRNP

Sex Female

Practice address 400 E 2nd St, Bloomsburg, PA, 17815

Phone (570) 389-4451

Enumeration date Aug 12, 2019

Last updated in NPPES Feb 12, 2021

Taxonomy & licenses

363LF0000X Family Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License SP020655 (PA) Primary

Other identifiers

Identifier	Type	State	Issuer
SP020655	Other	PA	STATE BOARD OF NURSINE

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Grace Olshefski?

The National Provider Identifier (NPI) for Grace Olshefski is 1821644360, a Type 1 (individual) record in the CMS NPPES registry.

Where does Grace Olshefski practice?

The practice location on file with NPPES is in Bloomsburg, PA. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-02-12.