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RITCHKEN AND FIRST, MDS
NPI 1215078043
Non-Pharmacy Dispensing Site in San Diego, CA

Active since February 12, 2007CLIA 05D0570747 · Waiver
4282 GENESEE AVE, SUITE 103, SAN DIEGO, CA 92117(858) 292-0108 Get Directions Write a Review

NPPES record last updated: June 26, 2008. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Ritchken And First, Mds NPPES

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

RITCHKEN AND FIRST, MDS (NPI 1215078043) is a healthcare organization registered as a non-pharmacy dispensing site in San Diego, California and active in the NPI registry since February 2007. The organization holds a CLIA Waiver certificate valid through March 24, 2027 and lists Kenny Heine, Director Of Operations, as its authorized official.

NPPES Registry Identity

NPI1215078043
Entity TypeOrganization
Primary Taxonomy332900000X
Legal Business NameBRIAN P. FIRST, M.D., A MEDICAL CORPORATION
Location Address4282 GENESEE AVE, SUITE 103San Diego, CA 92117-4946
Mailing Address5810 Nancy Ridge Dr, Suite 100San Diego, CA 92121-2834
Phone(858) 292-0108
Organization SubpartYesParent: Medvantx, Inc.
Authorized OfficialKenny HeineDirector Of Operations · (858) 625-2990
Enumeration DateFebruary 12, 2007
Last NPPES UpdateJune 26, 2008
✔ NPI 1215078043 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNon-Pharmacy Dispensing SiteSuppliers
Taxonomy Code332900000X
License✔ Licensed in CA · A33952
Definition
A site other than a pharmacy that dispenses medicinal preparations under the supervision of a physician to patients for self-administration. (e.g. physician offices, ER, Urgent Care Centers, Rural Health Facilities, etc.)
4282 GENESEE AVE, San Diego, CA 92117
Open in Google Maps ↗

Other Names 1

Doing Business AsRitchken And First, Mds

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 05D0570747

Ritchken & First Md's · San Diego, CA
Active · expires Mar 24, 2027
CLIA Number05D0570747
Laboratory TypePhysician Office
Certificate Effective DateMarch 25, 2025
Certificate Expiration DateMarch 24, 2027
Laboratory DirectorBrian P. First MD
Laboratory Phone(858) 292-0108
Laboratory LocationRitchken & First Md's4282 Genesee Ave, Suite 103, San Diego, CA 92117
CLIA data matches this NPI record on: Address Phone
This certificate is issued to a laboratory to perform only waived tests.

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.

TAYLOR CHUTE M.S.
Occupational Therapist (Pediatrics)
4282 GENESEE AVE
SAN DIEGO, CA 92117
San Diego County (619) 207-0984
SAN DIEGO WOMEN'S MEDICAL CLINIC, INC.
Obstetrics & Gynecology
4282 GENESEE AVE, SUITE 201
SAN DIEGO, CA 92117
San Diego County (858) 268-7324
MICHAEL C. WONG MD
Obstetrics & Gynecology
4282 GENESEE AVE, STE 201
SAN DIEGO, CA 92117
San Diego County (858) 268-0300
MICHAEL C WONG MD MEDICAL CORP
Obstetrics & Gynecology
4282 GENESEE AVE, SUITE 201
SAN DIEGO, CA 92117
San Diego County (858) 268-0300
MARCIA ELFENBAUM, MD INC.
Pain Medicine (Interventional Pain Medicine)
4282 GENESEE AVE, SUITE 304
SAN DIEGO, CA 92117
San Diego County (858) 514-4116
MRS. ALISON P. ANTHONY CFNP
Nurse Practitioner (Adult Health)
4282 GENESEE AVE, SUITE 103
SAN DIEGO, CA 92117
San Diego County (858) 292-0108
YASUKO KIDOKORO MD A PROFESSIONAL CORPORATION
General Practice
4282 GENESEE AVE, SUITE 202
SAN DIEGO, CA 92117
San Diego County (858) 277-9669
MENDEZ MEDICAL CENTER INC
Obstetrics & Gynecology
4282 GENESEE AVE, SUITE 201
SAN DIEGO, CA 92117
San Diego County (661) 330-8753

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 Brian P. First, M.D., A Medical Corporation's NPI number?

The NPI number for Brian P. First, M.D., A Medical Corporation is 1215078043. It was assigned to this organization in the NPPES registry on February 12, 2007. The provider is doing business as Ritchken And First, Mds.

Where is Brian P. First, M.D., A Medical Corporation located?

Brian P. First, M.D., A Medical Corporation is located at 4282 Genesee Ave Suite 103, San Diego, CA 92117. The listed phone number is (858) 292-0108.

What is Brian P. First, M.D., A Medical Corporation's specialty?

The primary specialty registered for this NPI is Non-Pharmacy Dispensing Site with taxonomy code 332900000X.

Does Brian P. First, M.D., A Medical Corporation hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 05D0570747) is associated with this NPI, valid through March 24, 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 Brian P. First, M.D., A Medical Corporation was last updated on June 26, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.