Registry data as of Aug 27, 2026

Nader Ahmad, M.D.

Family Medicine Physician · Mission Viejo, CA

Nader Ahmad, M.D. is a family medicine physician with a practice address in Mission Viejo, California, and NPI 1013150317, issued on Apr 16, 2009. Check the license on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1013150317
Name
Nader Ahmad
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
Practice location
23962 Alicia Pkwy, Mission Viejo, CA 92691
Phone
(949) 452-7699
Enumerated
Apr 16, 2009
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 23962 Alicia Pkwy

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Mohammad Al-Sayyad, MDEmergency Medicine Physician1538109418
  2. Gene BuiEmergency Medical Services (Emergency Medicine) Physician1578571170
  3. Linda Kiehlmeir, P.A-CPhysician Assistant1902834575
  4. Susan Medley, N.PRegistered Nurse1447296595
  5. Clark Paddock, M.D.Emergency Medicine Physician1497784110
  6. Gail Silver, M.DFamily Medicine Physician1154352003

Verify Nader Ahmad in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of CaliforniaCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

Industry payments in 2024: $61.18

1 payment, mostly food and beverage; the largest payer was Madrigal Pharmaceuticals. The 53,013 providers of this specialty with any payment received $861.30 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Nader Ahmad$61.18
  2. Specialty average$861.30

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

37 family medicine physician records list a Mission Viejo practice address

They are 37 of the 2,156 NPPES records with a Mission Viejo practice address, and 16,272 family medicine physician records in California.

Other family medicine physician records in California

  1. Omer Aba-Omer, MDSanta Monica, CA1649702093
  2. Michelle Ababa, MDWilmington, CA1710922513
  3. Anna Tzeitel Abalos, MDRoseville, CA1720200017
  4. Adan Abarca, MDAnaheim, CA1760553689
  5. Vanessa Abarca, DOVentura, CA1952040859
  6. Lorraine Abate, M.D.Sacramento, CA1104840008
  7. Robert Abatecola, MDCastro Valley, CA1669551719
  8. Romeo Abaya, M.D.Cottonwood, CA1598053506
  9. Effiem Abbah, MD, MPHSan Francisco, CA1821185133
  10. Khuzeman Abbasi, MDSanta Rosa, CA1841979952

Common questions

What is Nader Ahmad, M.D.'s NPI number?

Nader Ahmad, M.D.'s National Provider Identifier (NPI) is 1013150317, issued on Apr 16, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Nader Ahmad, M.D. located?

The NPPES record lists a practice address at 23962 Alicia Pkwy, Mission Viejo, CA, 92691. Phone: (949) 452-7699. Providers update this record themselves, so call before visiting.

How can I verify Nader Ahmad, M.D.'s license?

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.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.