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CHRISTOPHER A. SIMMONS, MD
NPI 1134818057
Internal Medicine in Lafayette, CA

Active since May 05, 2023CLIA 05D2292680 · Waiver
1027 BROWN AVE, LAFAYETTE, CA 94549(925) 273-7508(925) 209-2995 Get Directions Write a Review

NPPES record last updated: September 28, 2023. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Christopher A. Simmons, Md NPPES

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

CHRISTOPHER A. SIMMONS, MD (NPI 1134818057) is a healthcare organization registered as an internal medicine in Lafayette, California and active in the NPI registry since May 2023. The organization holds a CLIA Waiver certificate valid through October 26, 2027 and lists Christopher Alan Simmons, Owner, as its authorized official.

NPPES Registry Identity

NPI1134818057
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameCHRISTOPHER A. SIMMONS, MD
Location Address1027 BROWN AVELafayette, CA 94549-3901
Mailing AddressPo Box 1308Lafayette, CA 94549-1308 · (925) 273-7508 · Fax (925) 209-2995
Phone(925) 273-7508
Fax(925) 209-2995
Organization SubpartNo
Authorized OfficialChristopher Alan SimmonsOwner · (925) 998-5504
Enumeration DateMay 5, 2023
Last NPPES UpdateSeptember 28, 2023
NPPES CertifiedSeptember 28, 2023
✔ NPI 1134818057 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
1027 BROWN AVE, Lafayette, CA 94549
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Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-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 05D2292680

Christopher A Simmons, MD · Lafayette, CA
Active · expires Oct 26, 2027
CLIA Number05D2292680
Laboratory TypePhysician Office
Certificate Effective DateOctober 27, 2025
Certificate Expiration DateOctober 26, 2027
Laboratory DirectorChristopher A. Simmons
Laboratory Phone(925) 273-7508
Laboratory LocationChristopher A Simmons, MD1027 Brown Ave, Lafayette, CA 94549
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Other Providers at the Same Location NPPES

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

DR. JAMES S. HOOD MD
Family Medicine
1027 BROWN AVE
LAFAYETTE, CA 94549
Contra Costa County (415) 693-8598

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 Christopher A. Simmons, MD's NPI number?

The NPI number for Christopher A. Simmons, MD is 1134818057. It was assigned to this organization in the NPPES registry on May 5, 2023.

Where is Christopher A. Simmons, MD located?

Christopher A. Simmons, MD is located at 1027 Brown Ave, Lafayette, CA 94549. The listed phone number is (925) 273-7508.

What is Christopher A. Simmons, MD's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Does Christopher A. Simmons, MD hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 05D2292680) is associated with this NPI, valid through October 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 Christopher A. Simmons, MD was last updated on September 28, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.