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MEHRDAD AYATI MD
NPI 1699932962
Family Medicine in Los Altos, CA

Active since May 22, 2008Opted out of Medicare · through Oct 1, 2026
851 FREMONT AVE STE 103, LOS ALTOS, CA 94024(650) 808-0180(650) 666-8215 Get Directions Write a Review

NPPES record last updated: July 11, 2023. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 11, 2023, Feb 20, 2017, Mar 28, 2016 (3 updates tracked since 2016).

About Mehrdad Ayati Md NPPES

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

MEHRDAD AYATI MD (NPI 1699932962) is an individual family medicine provider in Los Altos, California, licensed in California (A105372) and active in the NPI registry since May 2008. He has opted out of Medicare through October 1, 2026 and remains eligible to order and refer.

NPPES Registry Identity

NPI1699932962
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameMEHRDAD AYATICredential: MD
Location Address851 FREMONT AVE STE 103Los Altos, CA 94024-5602
Mailing Address851 Fremont Ave Ste 103Los Altos, CA 94024-5602 · (650) 808-0180 · Fax (650) 666-8215
Phone(650) 808-0180
Fax(650) 666-8215
Sole ProprietorNo
Enumeration DateMay 22, 2008
Last NPPES UpdateJuly 11, 20233 updates tracked since enumeration
NPPES CertifiedJuly 11, 2023
✔ NPI 1699932962 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in CA · A105372
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
851 FREMONT AVE STE 103, Los Altos, CA 94024
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

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Opted out of Medicare

Mehrdad Ayati Md has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from October 1, 2022 through October 1, 2026.

Opt-Out Effective DateOctober 1, 2022
Opt-Out In Effect ThroughOctober 1, 2026Opt-out affidavits renew automatically every two years unless cancelled
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94024 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
$106.47 typical visit price
range $70.37 – $206.04
Typical copayment $26.61 (range $17.59 – $51.51)
Most-billed visit code 99203
Established Patient
$121.77 typical visit price
range $23.96 – $169.60
Typical copayment $30.44 (range $5.99 – $42.40)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims 4

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
1 supplier18 claims18 services$58.82 avg. paid by Medicare
Albuterol, up to 2.5 mg and ipratropium bromide, up to 0.5 mg, fda-approved final product, non-compounded, administered through dme J7620
DME-Drugs Administered Through DME · category DG006N
3 suppliers12 claims410 services$0.10 avg. paid by Medicare
Standard wheelchair K0001
DME-Wheelchairs · category DD000N
3 suppliers26 claims26 services$15.44 avg. paid by Medicare
Portable gaseous oxygen system, rental; home compressor used to fill portable oxygen cylinders; includes portable containers, regulator, flowmeter, humidifier, cannula or mask, and tubing K0738
DME-Oxygen and Supplies · category DC000N
1 supplier18 claims18 services$30.28 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES

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

KRISTINA PETERSON MFT
Marriage & Family Therapist
851 FREMONT AVE STE 103
LOS ALTOS, CA 94024
Santa Clara County (650) 906-0613

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 Mehrdad Ayati's NPI number?

The NPI number for Mehrdad Ayati is 1699932962. It was assigned to this individual provider in the NPPES registry on May 22, 2008.

Where is Mehrdad Ayati located?

Mehrdad Ayati practices at 851 Fremont Ave Ste 103, Los Altos, CA 94024. The listed phone number is (650) 808-0180.

What is Mehrdad Ayati's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Mehrdad Ayati enrolled in Medicare?

No. Mehrdad Ayati has opted out of Medicare through October 1, 2026. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

When was this NPI record last updated?

The NPPES record for Mehrdad Ayati was last updated on July 11, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.