JOHN T ARMSTRONG JR MD INC - NPI 1598830564 - Obstetrics & Gynecology in Napa, CA

Q: What is John T Armstrong Jr MD Inc's NPI number?

The NPI number for John T Armstrong Jr MD Inc is 1598830564. It was assigned to this organization in the NPPES registry on November 22, 2006.

Q: What is John T Armstrong Jr MD Inc's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Gynecology, with taxonomy code 207VG0400X.

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About John T Armstrong Jr Md Inc NPPES

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

JOHN T ARMSTRONG JR MD INC (NPI 1598830564) is a healthcare organization registered as a gynecology in Napa, California and active in the NPI registry since November 2006. The organization holds a CLIA Microscopy certificate valid through November 1, 2027 and lists John Armstrong, President, as its authorized official.

NPPES Registry Identity

NPI1598830564

Entity TypeOrganization

Primary Taxonomy207VG0400X

Legal Business NameJOHN T ARMSTRONG JR MD INC

Location Address3434 VILLA LN STE 360Napa, CA 94558-6416

Mailing Address3010 Beard RdNapa, CA 94558-3442 · (707) 255-8825

Phone(707) 257-4317

Organization SubpartNo

Authorized OfficialJohn ArmstrongPresident · (707) 255-8825

Enumeration DateNovember 22, 2006

Last NPPES UpdateAugust 28, 2014

✔ NPI 1598830564 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & Gynecology · GynecologyAllopathic & Osteopathic Physicians

Taxonomy Code207VG0400X

License✔ Licensed in CA · C37899

Definition

A physician who specializes in diagnosis, treatment, and management of patients with gynecologic conditions. Source: National Uniform Claim Committee

3434 VILLA LN STE 360, Napa, CA 94558

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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate for Provider-Performed Microscopy Procedures (PPMP) 05D0709799

John T Armstrong Jr MD Inc · Napa, CA

Active · expires Nov 1, 2027

CLIA Number05D0709799

Laboratory TypePhysician Office

Certificate Effective DateNovember 2, 2025

Certificate Expiration DateNovember 1, 2027

Laboratory DirectorJohn T. Armstrong MD

Laboratory Phone(707) 257-4317

Laboratory LocationJohn T Armstrong Jr MD Inc3434 Villa Lane Suite 360, Napa, CA 94558

CLIA data matches this NPI record on: Address Name Phone

This certificate is issued to a laboratory in which a physician, midlevel practitioner or dentist performs no tests other than the microscopy procedures. This certificate permits the laboratory to also perform waived tests.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is John T Armstrong Jr MD Inc's NPI number?

The NPI number for John T Armstrong Jr MD Inc is 1598830564. It was assigned to this organization in the NPPES registry on November 22, 2006.

Where is John T Armstrong Jr MD Inc located?

John T Armstrong Jr MD Inc is located at 3434 Villa Ln Ste 360, Napa, CA 94558. The listed phone number is (707) 257-4317.

What is John T Armstrong Jr MD Inc's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Gynecology, with taxonomy code 207VG0400X.

Does John T Armstrong Jr MD Inc hold a CLIA laboratory certificate?

Yes. A Certificate for Provider-Performed Microscopy Procedures (PPMP) (number 05D0709799) is associated with this NPI, valid through November 1, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for John T Armstrong Jr MD Inc was last updated on August 28, 2014. NPI Profile syncs with the weekly NPPES data releases published by CMS.