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RICHARD A MAYER MD INC
NPI 1487753448
Internal Medicine - Infectious Disease in San Diego, CA

Active since September 22, 2006
4231 BALBOA AVE STE 218, SAN DIEGO, CA 92117(619) 754-4955(619) 287-9058 Get Directions Write a Review

NPPES record last updated: January 17, 2019. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Richard A Mayer Md Inc NPPES

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

RICHARD A MAYER MD INC (NPI 1487753448) is a healthcare organization registered as an infectious disease in San Diego, California and active in the NPI registry since September 2006. The organization maintains a secondary practice location in San Diego and lists Richard Andrew Mayer, President, as its authorized official.

NPPES Registry Identity

NPI1487753448
Entity TypeOrganization
Primary Taxonomy207RI0200X
Legal Business NameRICHARD A MAYER MD INC
Location Address4231 BALBOA AVE STE 218San Diego, CA 92117-5504
Mailing Address4231 Balboa Ave Ste 218San Diego, CA 92117-5504 · (619) 462-9010 · Fax (619) 287-9058
Phone(619) 754-4955
Fax(619) 287-9058
Organization SubpartNo
Authorized OfficialRichard Andrew MayerPresident · (619) 462-9010
Enumeration DateSeptember 22, 2006
Last NPPES UpdateJanuary 17, 2019
✔ NPI 1487753448 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Infectious DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RI0200X
Definition
An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.
4231 BALBOA AVE STE 218, San Diego, CA 92117
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Secondary Practice Location 1

Location 16699 ALVARADO RD, SUITE 2308SAN DIEGO, CA 92120-5241 · Phone (619) 462-9010 · Fax (619) 287-9058

Other Identifiers 2

Medicaid00A792460CA
OtherWA79246CProvider Transaction Access Number

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

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Richard A Mayer Md Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Richard A Mayer MD Inc, which bills Medicare for the services this clinician delivers.

Clinician (1)

Richard Mayer, M.D.
Infectious Disease
NPI 1689773640
4231 BALBOA AVE # 218
San Diego, CA 92117
(619) 573-4413
✔ PECOS✔ Accepts MedicareSame address

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Richard A Mayer MD Inc's NPI number?

The NPI number for Richard A Mayer MD Inc is 1487753448. It was assigned to this organization in the NPPES registry on September 22, 2006.

Where is Richard A Mayer MD Inc located?

Richard A Mayer MD Inc is located at 4231 Balboa Ave Ste 218, San Diego, CA 92117. The listed phone number is (619) 754-4955.

What is Richard A Mayer MD Inc's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.

Is Richard A Mayer MD Inc enrolled in Medicare?

Yes. Richard A Mayer MD Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Richard A Mayer MD Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Infectious Disease) reassigns their Medicare billing to Richard A Mayer MD Inc. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Richard A Mayer MD Inc was last updated on January 17, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.