Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

JOHN N RUST M.D.
NPI 1568451219
Pathology - Chemical Pathology in Harrisonburg, VA

Q: What is John Rust's NPI number?

The NPI number for John Rust is 1568451219. It was assigned to this individual provider in the NPPES registry on October 17, 2005.

Q: What is John Rust's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Chemical Pathology, with taxonomy code 207ZP0104X.

Q: When was this NPI record last updated?

The NPPES record for John Rust was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 28 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since October 17, 2005

235 CANTRELL AVE, HARRISONBURG, VA 22801(540) 433-4290 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 13, 2026, Sep 11, 2025 (2 updates tracked since 2025).

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About John N Rust M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JOHN N RUST M.D. (NPI 1568451219) is an individual chemical pathology provider in Harrisonburg, Virginia, licensed in Virginia (0101030225) and active in the NPI registry since October 2005.

NPPES Registry Identity

NPI1568451219

Entity TypeIndividualMale

Primary Taxonomy207ZP0104X

Provider Legal NameJOHN N RUSTCredential: M.D.

Location Address235 CANTRELL AVEHarrisonburg, VA 22801-3248

Mailing Address115 S Main StBridgewater, VA 22812-1129 · (540) 828-6218

Phone(540) 433-4290

Sole ProprietorNo

Enumeration DateOctober 17, 2005

Last NPPES UpdateJuly 13, 20262 updates tracked since enumeration

✔ NPI 1568451219 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 6

★ Primary SpecialtyPathology · Chemical PathologyAllopathic & Osteopathic Physicians

Taxonomy Code207ZP0104X

License✔ Licensed in VA · 0101030225

Definition

A chemical pathologist has expertise in the biochemistry of the human body as it applies to the understanding of the cause and progress of disease. This physician functions as a clinical consultant in the diagnosis and treatment of human disease. Chemical pathology entails the application of biochemical data to the detection, confirmation or monitoring of disease.

Also ListedPathology · Blood Banking & Transfusion MedicineTaxonomy 207ZB0001X · License 0101030225 (VA)

Also ListedPathology · CytopathologyTaxonomy 207ZC0500X · License 0101030225 (VA)

Also ListedPathology · HematologyTaxonomy 207ZH0000X · License 0101030225 (VA)

Also ListedPathology · Anatomic Pathology & Clinical PathologyTaxonomy 207ZP0102X · License 0101030225 (VA)

Also ListedPathology · Pediatric PathologyTaxonomy 207ZP0213X · License 0101030225 (VA)

235 CANTRELL AVE, Harrisonburg, VA 22801

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Other Identifiers 1

Medicaid6650511VA

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

RAMECH CHALAM M.D.

Anesthesiology