Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Adrienne Ruth Johnson, MD

Family Medicine Physician in York, PA · enumerated 2006.

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

National Provider Identifier

1164597456

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Registry record

Entity type Individual (Type 1)

Name Dr. Adrienne Ruth Johnson

Credential MD

Sex Female

Practice address 1930 Security Drive, York, PA, 17402

Phone (717) 741-4641

Fax (717) 741-9198

Enumeration date Nov 21, 2006

Last updated in NPPES Dec 20, 2022

Taxonomy & licenses

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License MD 066 211L (PA) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD 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

What is the NPI number for Adrienne Johnson?

The National Provider Identifier (NPI) for Adrienne Johnson is 1164597456, a Type 1 (individual) record in the CMS NPPES registry.

Where does Adrienne Johnson practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-12-20.