Mehrdad Ayati, MD
Family Medicine Physician · Los Altos, CA
Mehrdad Ayati, MD is a family medicine physician with a practice address in Los Altos, California, and NPI 1699932962, issued on May 22, 2008. Check the license (California A105372, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Mehrdad Ayati
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A105372 CA
Self-reported in NPPES; status is on the state search - Practice location
- 851 Fremont Ave Ste 103, Los Altos, CA 94024
- Phone
- (650) 808-0180
- Enumerated
- May 22, 2008
- Record last updated
- Jul 11, 2023
- Fax
- (650) 666-8215
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 851 Fremont Ave Ste 103
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kristina Peterson, MFTMarriage & Family Therapist1003378647
Verify Mehrdad Ayati in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A105372Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
12% fewer Medicare Part D claims than the average family medicine physician in 2024
3,109 Medicare Part D claims for 106 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 165 claims were for opioids.
Most prescribed
- Escitalopram Oxalate132 claims
- Trazodone Hcl132 claims
- Quetiapine Fumarate102 claims
- Gabapentin94 claims
- Atorvastatin Calcium88 claims
- Eliquis84 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $18.82
1 payment: food and beverage; the largest payer was Eisai Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Mehrdad Ayati among 17,133 family medicine physician records in California
Mehrdad Ayati, MD is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 53% of them.
- NPI issued2008 · 53% of these records are older, 42% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2023 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
23 family medicine physician records list a practice address in Los Altos
They are 23 of the 718 NPPES records with a practice address in Los Altos, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Los Altos → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Lawrence Aronson, MDLos Altos, CA 940241972627404
- Peter Brown, M.D.Los Altos, CA 940241720016942
- Yu-Wen Chang, DOMenlo Park, CA 940251598258154
- Sapna Dalal, MDMenlo Park, CA 940251144380338
- Diana Farid, M.D.Menlo Park, CA 940251912123175
- Daniel Huie, MDMenlo Park, CA 940251295794725
- Judy Kim, MDMenlo Park, CA 940251306131925
- Ian Kroes, MDMenlo Park, CA 940251437263068
Common questions
What is Mehrdad Ayati, MD's NPI number?
Mehrdad Ayati, MD's National Provider Identifier (NPI) is 1699932962, issued on May 22, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Mehrdad Ayati, MD located?
The NPPES record lists a practice address at 851 Fremont Ave Ste 103, Los Altos, CA, 94024. Phone: (650) 808-0180. Providers update this record themselves, so call before visiting.
How can I verify Mehrdad Ayati, MD's license?
NPPES lists California license number A105372, 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.
How much does Mehrdad Ayati, MD prescribe under Medicare Part D?
In 2024, Mehrdad Ayati, MD had 3,109 Medicare Part D claims for 106 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. 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.