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DR. ALAN RICHARD MAYFIELD M.D.
NPI 1821151648
Psychiatry & Neurology - Psychiatry in San Diego, CA

Active since December 19, 2006PECOS Enrolled
34800 BOB WILSON DR., BLDG 6, 3RD FLOOR, MENTAL HEALTH, SAN DIEGO, CA 92134(619) 532-5666(619) 532-5687 Get Directions Write a Review

NPPES record last updated: April 6, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Apr 6, 2026, Feb 25, 2021 (2 updates tracked since 2021).

About Dr. Alan Richard Mayfield M.d. NPPES

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

DR. ALAN RICHARD MAYFIELD M.D. (NPI 1821151648) is an individual psychiatry provider in San Diego, California, licensed in California (A94205) and active in the NPI registry since December 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1821151648
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameDR. ALAN RICHARD MAYFIELDCredential: M.D.
Location Address34800 BOB WILSON DR., BLDG 6, 3RD FLOOR, MENTAL HEALTHSan Diego, CA 92134
Mailing Address34800 Bob Wilson Dr., Bldg 6, 3rd Floor, Mental HealthSan Diego, CA 92134 · (619) 532-5666 · Fax (619) 532-5687
Phone(619) 532-5666
Fax(619) 532-5687
Sole ProprietorNo
Enumeration DateDecember 19, 2006
Last NPPES UpdateApril 6, 20262 updates tracked since enumeration
NPPES CertifiedApril 6, 2026
✔ NPI 1821151648 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License✔ Licensed in CA · A94205
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
Also ListedPsychiatry & Neurology · Addiction MedicineTaxonomy 2084A0401X · License A94205 (CA)
34800 BOB WILSON DR., San Diego, CA 92134
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Alan Richard Mayfield M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer– Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92134 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$184.71 typical visit price
range $62.10 – $184.71
Typical copayment $46.17 (range $15.52 – $46.17)
Most-billed visit code 99205
Established Patient
$76.87 typical visit price
range $20.62 – $151.42
Typical copayment $19.21 (range $5.15 – $37.85)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 3

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

STEVEN MATIS DDS
Dentist (Dental Public Health)
34800 BOB WILSON DR., NMCSD
SAN DIEGO, CA 92134
San Diego County (619) 556-8191
MS. JOANN RIGOGLIOSO LCSW
Social Worker (Clinical)
34800 BOB WILSON DR., NMCSD
SAN DIEGO, CA 92134
San Diego County (619) 553-0604
MICHAEL GEDESTAD DO
General Practice
34800 BOB WILSON DR.
FPO, AA 92134
San Diego County (619) 532-6400

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 Alan Mayfield's NPI number?

The NPI number for Alan Mayfield is 1821151648. It was assigned to this individual provider in the NPPES registry on December 19, 2006.

Where is Alan Mayfield located?

Alan Mayfield practices at 34800 Bob Wilson Dr. Bldg 6, 3rd Floor, Mental Health, San Diego, CA 92134. The listed phone number is (619) 532-5666.

What is Alan Mayfield's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Alan Mayfield enrolled in Medicare?

Yes. Alan Mayfield is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Alan Mayfield was last updated on April 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months 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.