AHMAD SIAR AYOUBI M.D., M.S
NPI 1992926075
Family Medicine in Castro Valley, CA

Q: What is Ahmad Ayoubi's NPI number?

The NPI number for Ahmad Ayoubi is 1992926075. It was assigned to this individual provider in the NPPES registry on May 2, 2007.

Q: What is Ahmad Ayoubi's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Ahmad Ayoubi was last updated on September 23, 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.

Active since May 02, 2007PECOS EnrolledAccepts Medicare Assignment

20101 LAKE CHABOT RD FL 3, CASTRO VALLEY, CA 94546(510) 886-3400(510) 506-7729 Get Directions Write a Review

NPPES record last updated: September 23, 2019. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About Ahmad Siar Ayoubi M.d., M.s NPPES

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

AHMAD SIAR AYOUBI M.D., M.S (NPI 1992926075) is an individual family medicine provider in Castro Valley, California, licensed in California (898468) and active in the NPI registry since May 2007. He is enrolled in Medicare PECOS, maintains a secondary practice location in Barberton, and is a graduate of Other (2004).

NPPES Registry Identity

NPI1992926075

Entity TypeIndividualMale

Primary Taxonomy207Q00000X

Provider Legal NameAHMAD SIAR AYOUBICredential: M.D., M.S

Location Address20101 LAKE CHABOT RD FL 3Castro Valley, CA 94546

Mailing Address325 Distel CirLos Altos, CA 94022-1408 · (510) 886-3400 · Fax (510) 506-7729

Phone(510) 886-3400

Fax(510) 506-7729

Sole ProprietorNo

Medical School CMSOtherGraduated 2004

Enumeration DateMay 2, 2007

Last NPPES UpdateSeptember 23, 2019

✔ NPI 1992926075 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 · 898468

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.

20101 LAKE CHABOT RD FL 3, Castro Valley, CA 94546

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Secondary Practice Location 1

Location 1155 5th St NEBarberton, OH 44203-3332 · Phone (330) 745-1611

Other Identifiers 1

OtherA102267CA · State Medical License

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Ahmad Siar Ayoubi M.d., M.s is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9436219607

PECOS Enrollment IDI20081118000179

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.

Medicare Billing Reassignments

Medicare enrollment records show Ahmad Ayoubi reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Sutter Bay Medical Foundation

13 mi

Multi-Specialty

12 CAMINO ENCINAS
Orinda, CA 94563

Reassigned Medicare billing, California enrollment
4,479 clinicians in this Medicare group

NPI 1366898538 (510) 204-8180

Permanente Medical Group Inc

16 mi

Internal Medicine

1190 VETERANS BLVD
Redwood City, CA 94063

Reassigned Medicare billing, California enrollment
20,078 clinicians in this Medicare group

NPI 1639252604 (650) 299-2000

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

Areas of Expertise CMS Part B claims 5

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

114 services96 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

44 services24 patients

Administration of influenza virus vaccine G0008

The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.

19 services19 patients

Influenza vaccine, inactivated 90653

The Influenza vaccine, inactivated, is a shot given to protect against the flu. It contains killed virus particles that help your body build immunity to the flu. It's recommended annually to keep your protection up-to-date. It's safe for ages 6 months and up.

18 services18 patients

Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439

An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.

18 services18 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94546 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

$104.51 typical visit price

range $69.00 – $202.35

Typical copayment $26.12 (range $17.25 – $50.58)

Most-billed visit code 99203

Established Patient

$119.48 typical visit price

range $23.44 – $166.46

Typical copayment $29.87 (range $5.86 – $41.61)

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

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

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253

DME-Other DME · category DE017N

6 suppliers15 claims25 services$3.97 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 12

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

AHLAM MAHMOOD ALGAZZALI PHYSICIAN ASSISTANT

Physician Assistant