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STEPHEN R. WELLS, M.D.
NPI 1134453061
Obstetrics & Gynecology - Obstetrics in Walnut Creek, CA

Active since September 24, 2009CLIA 05D0985006 · Waiver
110 TAMPICO, SUITE 220, WALNUT CREEK, CA 94598(925) 935-5356(925) 935-1070 Get Directions Write a Review

NPPES record last updated: September 24, 2009. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Stephen R. Wells, M.d. NPPES

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

STEPHEN R. WELLS, M.D. (NPI 1134453061) is a healthcare organization registered as an obstetrics in Walnut Creek, California and active in the NPI registry since September 2009. The organization holds a CLIA Waiver certificate valid through April 3, 2027 and lists Stephen Robert Wells, Owner Doctor, as its authorized official.

NPPES Registry Identity

NPI1134453061
Entity TypeOrganization
Primary Taxonomy207VX0000X
Legal Business NameSTEPHEN R. WELLS, M.D.
Location Address110 TAMPICO, SUITE 220Walnut Creek, CA 94598-2998
Mailing Address110 Tampico, Suite 220Walnut Creek, CA 94598-2998 · (925) 935-5356 · Fax (925) 935-1070
Phone(925) 935-5356
Fax(925) 935-1070
Organization SubpartNo
Authorized OfficialStephen Robert WellsOwner Doctor · (925) 935-5356
Enumeration DateSeptember 24, 2009
✔ NPI 1134453061 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & Gynecology · ObstetricsAllopathic & Osteopathic Physicians
Taxonomy Code207VX0000X
License✔ Licensed in CA · A49731
Definition
A physician who specializes in diagnosis, treatment, and management of patients with obstetric conditions. Source: National Uniform Claim Committee
110 TAMPICO, Walnut Creek, CA 94598
Open in Google Maps ↗

Other Identifiers 1

Medicare PIN00A497310CA

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 of Waiver 05D0985006

Stephen R Wells MD · Walnut Creek, CA
Active · expires Apr 3, 2027
CLIA Number05D0985006
Laboratory TypePhysician Office
Certificate Effective DateApril 4, 2025
Certificate Expiration DateApril 3, 2027
Laboratory DirectorStephen R. Wells MD
Laboratory Phone(925) 935-5356
Laboratory LocationStephen R Wells MD120 La Casa Via, Suite 208, Walnut Creek, CA 94598
CLIA data matches this NPI record on: Phone
This certificate is issued to a laboratory to perform only waived tests.

Other Providers at the Same Location NPPES 6

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

DIABLO VALLEY PERINATAL ASSOCIATES, INC
Obstetrics & Gynecology (Maternal & Fetal Medicine)
110 TAMPICO, SUITE 100
WALNUT CREEK, CA 94598
Contra Costa County (925) 891-9033
MARLENA LING LUK ORTHLIEB MGCS
Genetic Counselor, MS
110 TAMPICO
WALNUT CREEK, CA 94598
Contra Costa County (925) 891-9033
MRS. HEATHER MARIE NUDO PA
Dermatology (MOHS-Micrographic Surgery)
110 TAMPICO, SUITE 200
WALNUT CREEK, CA 94598
Contra Costa County (925) 838-4900
ROBERT B COLE MD
Obstetrics & Gynecology
110 TAMPICO, #210
WALNUT CREEK, CA 94598
Contra Costa County (925) 935-6952
MS. AMANDA MACHETTE CNM
Advanced Practice Midwife
110 TAMPICO, STE 220
WALNUT CREEK, CA 94598
Contra Costa County (925) 935-5356
CRYSTAL ROSE SOPHIA ALPERT PA-C
Physician Assistant (Medical)
110 TAMPICO, STE 210
WALNUT CREEK, CA 94598
Contra Costa County (925) 935-6952

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 Stephen R. Wells, M.D.'s NPI number?

The NPI number for Stephen R. Wells, M.D. is 1134453061. It was assigned to this organization in the NPPES registry on September 24, 2009.

Where is Stephen R. Wells, M.D. located?

Stephen R. Wells, M.D. is located at 110 Tampico Suite 220, Walnut Creek, CA 94598. The listed phone number is (925) 935-5356.

What is Stephen R. Wells, M.D.'s specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Obstetrics, with taxonomy code 207VX0000X.

Does Stephen R. Wells, M.D. hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 05D0985006) is associated with this NPI, valid through April 3, 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 Stephen R. Wells, M.D. was last updated on September 24, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 years 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.