Richard Andrew Mayer, M.D.
Infectious Disease Physician · San Diego, CA
Richard Andrew Mayer, M.D. is an infectious disease physician with a practice address in San Diego, California, and NPI 1689773640, issued on Sep 22, 2006. Check the license (California A79246, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Richard Andrew Mayer
- Credential
- M.D.
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License number
- A79246 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4231 Balboa Ave # 218, San Diego, CA 92117
- Phone
- (619) 573-4413
- Enumerated
- Sep 22, 2006
- Record last updated
- Dec 6, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (619) 573-4413
- Medicaid ID
- 00A792460 CA
- Medicare enrollment
- Enrolled (PECOS I20040310001418); accepts Medicare assignment
- Medical or professional school
- Johns Hopkins University School Of Medicine, 1996
- Entity
- Type 1 · individual
8 nearest infectious disease physician records → All 1,119 in California → Look up another NPI →
Verify Richard Andrew Mayer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A79246Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Richard Andrew Mayer among 1,119 infectious disease physician records in California
Richard Andrew Mayer, M.D. is one of 1,119 infectious disease physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 4% of them.
- NPI issued2006 · 4% of these records are older, 54% newer
- In a Medicare fileNo · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1996 · median 2003 among the 735 with a school on file
- Record last updated2017 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Infectious Disease Physician providers in California
There are 1,119 infectious disease physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 1,119 in California → Every provider in San Diego → Infectious Disease Physician nationwide →
The 8 infectious disease physician records with the nearest ZIP codes
- VI Bowman, M.D.San Diego, CA 921201932365079
- Michael Butera, M.D.San Diego, CA 921201104925205
- Dale Lieu, MDSan Diego, CA 921201003964099
- Larry Miller, MDSan Diego, CA 921201578611364
- Christopher O'Brien, MDSan Diego, CA 921201730250788
- Chitra Safaya, MDSan Diego, CA 921201568624336
- Ethan Stewart, D.O.San Diego, CA 921201083989586
- Shweta Warner, M.D.San Diego, CA 921201003075128
Common questions
What is Richard Andrew Mayer, M.D.'s NPI number?
Richard Andrew Mayer, M.D.'s National Provider Identifier (NPI) is 1689773640, issued on Sep 22, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Richard Andrew Mayer, M.D. located?
The NPPES record lists a practice address at 4231 Balboa Ave # 218, San Diego, CA, 92117. Phone: (619) 573-4413. Providers update this record themselves, so call before visiting.
How can I verify Richard Andrew Mayer, M.D.'s license?
NPPES lists California license number A79246, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.