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VON STIEFF MEDICAL GROUP
NPI 1568769412
Family Medicine - Addiction Medicine in Concord, CA

Active since February 11, 2011CLIA 05D0961127 · Microscopy
2481 PACHECO ST, CONCORD, CA 94520(925) 680-8933 Get Directions Write a Review

NPPES record last updated: December 16, 2020. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Von Stieff Medical Group NPPES

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

VON STIEFF MEDICAL GROUP (NPI 1568769412) is a healthcare organization registered as an addiction medicine in Concord, California and active in the NPI registry since February 2011. The organization holds a CLIA Microscopy certificate valid through May 26, 2027 and lists Kris Del Monte, Administrator, as its authorized official.

NPPES Registry Identity

NPI1568769412
Entity TypeOrganization
Primary Taxonomy207QA0401X
Legal Business NameFRED J VON STIEFF MD A PROFESSIONAL CORPORATION
Location Address2481 PACHECO STConcord, CA 94520-2019
Mailing Address2481 Pacheco StConcord, CA 94520-2019 · (925) 680-8933
Phone(925) 680-8933
Organization SubpartNo
Authorized OfficialKris Del MonteAdministrator · (925) 680-8933
Enumeration DateFebruary 11, 2011
Last NPPES UpdateDecember 16, 2020
NPPES CertifiedDecember 16, 2020
✔ NPI 1568769412 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily Medicine · Addiction MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207QA0401X
License✔ Licensed in CA · G34928
Definition

A family medicine physician who specializes in the diagnosis and treatment of addictions.

2481 PACHECO ST, Concord, CA 94520
Open in Google Maps ↗

Other Names 1

Doing Business AsVon Stieff Medical Group

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) 05D0961127

Fred J Von Stieff MD · Concord, CA
Active · expires May 26, 2027
CLIA Number05D0961127
Laboratory TypePhysician Office
Certificate Effective DateMay 27, 2025
Certificate Expiration DateMay 26, 2027
Laboratory DirectorFred J. Von Stieff MD
Laboratory Phone(925) 680-8933
Laboratory LocationFred J Von Stieff MD2481 Pacheco Street, Concord, CA 94520
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.

Other Providers at the Same Location NPPES 3

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

VIVIAN LO PA-C
Physician Assistant
2481 PACHECO ST
CONCORD, CA 94520
Contra Costa County (925) 680-8933
DR. FRED JOHN VONSTIEFF M.D.
Family Medicine (Addiction Medicine)
2481 PACHECO ST
CONCORD, CA 94520
Contra Costa County (925) 680-8933
KRISTINA CARPENTER D.O.
Family Medicine
2481 PACHECO ST
CONCORD, CA 94520
Contra Costa County (925) 680-8933

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 Fred J Von Stieff MD A Professional Corporation's NPI number?

The NPI number for Fred J Von Stieff MD A Professional Corporation is 1568769412. It was assigned to this organization in the NPPES registry on February 11, 2011. The provider is doing business as Von Stieff Medical Group.

Where is Fred J Von Stieff MD A Professional Corporation located?

Fred J Von Stieff MD A Professional Corporation is located at 2481 Pacheco St, Concord, CA 94520. The listed phone number is (925) 680-8933.

What is Fred J Von Stieff MD A Professional Corporation's specialty?

The primary specialty registered for this NPI is Family Medicine, specializing in Addiction Medicine, with taxonomy code 207QA0401X.

Does Fred J Von Stieff MD A Professional Corporation hold a CLIA laboratory certificate?

Yes. A Certificate for Provider-Performed Microscopy Procedures (PPMP) (number 05D0961127) is associated with this NPI, valid through May 26, 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 Fred J Von Stieff MD A Professional Corporation was last updated on December 16, 2020. NPI Profile syncs with the weekly NPPES data releases published by CMS.