Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Nathan Lee Pilgrim, DO, MPH

Psychiatry Physician in Fairfax, VA · enumerated 2009.

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

National Provider Identifier

1255566105

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Registry record

Entity type Individual (Type 1)

Name Nathan Lee Pilgrim

Credential DO, MPH

Sex Male

Practice address Fairfax, VA, 22031

Phone (703) 289-7560

Fax (703) 204-9001

Enumeration date May 21, 2009

Last updated in NPPES Dec 7, 2021

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

2084P0800X Psychiatry Physician Allopathic & Osteopathic Physicians · License DO034435 (DC) Secondary

390200000X Student in an Organized Health Care Education/Training Program Student, Health Care Secondary

2084P0800X Psychiatry Physician Allopathic & Osteopathic Physicians · License 0102203643 (VA) Primary

DO · Doctor of Osteopathic Medicine: A fully licensed physician trained in osteopathic medical schools, with the same practice rights as an MD. About the DO credential

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

Where does Nathan Pilgrim practice?

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

What is the NPI number for Nathan Pilgrim?

The National Provider Identifier (NPI) for Nathan Pilgrim is 1255566105, a Type 1 (individual) record in the CMS NPPES registry.

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