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DR. NADER A. AHMAD M.D.
NPI 1013150317
Family Medicine in Mission Viejo, CA

Active since April 16, 2009PECOS Enrolled
23962 ALICIA PKWY, SADDLEBACK FAMILY & URGENT CARE, MISSION VIEJO, CA 92691(949) 452-7699(949) 770-2815 Get Directions Write a Review

NPPES record last updated: April 23, 2016. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Nader A. Ahmad M.d. NPPES

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

DR. NADER A. AHMAD M.D. (NPI 1013150317) is an individual family medicine provider in Mission Viejo, California, licensed in California (A109192) and active in the NPI registry since April 2009. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1013150317
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameDR. NADER A. AHMADCredential: M.D.
Location Address23962 ALICIA PKWY, SADDLEBACK FAMILY & URGENT CAREMission Viejo, CA 92691-3940
Mailing AddressPo Box 3238Huntington Beach, CA 92605-3238 · (949) 500-3883 · Fax (562) 788-7650
Phone(949) 452-7699
Fax(949) 770-2815
Sole ProprietorYes
Enumeration DateApril 16, 2009
Last NPPES UpdateApril 23, 2016
✔ NPI 1013150317 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in CA · A109192
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.
Also ListedGeneral PracticeTaxonomy 208D00000X · License A109192 (CA)
23962 ALICIA PKWY, Mission Viejo, CA 92691
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Nader A. Ahmad 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.

Medicare Billing Reassignment

Medicare enrollment records show Nader Ahmad reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Cep America - Auc, PC
0.7 mi
Family Medicine
23962 ALICIA PKWY
Mission Viejo, CA 92691
  • Reassigned Medicare billing, California enrollment
  • 55 clinicians in this Medicare group
NPI 1205209848 (949) 452-7699

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92691 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
$96.36 typical visit price
range $62.96 – $187.60
Typical copayment $24.09 (range $15.74 – $46.90)
Most-billed visit code 99203
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
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.

Other Providers at the Same Location NPPES 8

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

GAIL SILVER M.D
Family Medicine
23962 ALICIA PKWY, STE I-1
MISSION VIEJO, CA 92691
Orange County (949) 770-6000
CALIFORNIA EMERGENCY PHYSICIANS
Family Medicine
23962 ALICIA PKWY, STE 1
MISSION VIEJO, CA 92691
Orange County (949) 452-7699
CEP AMERICA - AUC, PC
Family Medicine
23962 ALICIA PKWY
MISSION VIEJO, CA 92691
Orange County (949) 452-7699
SUSAN JACOSKY MEDLEY N.P
Registered Nurse
23962 ALICIA PKWY, STE I-1
MISSION VIEJO, CA 92691
Orange County (949) 770-6000
DR. CLARK STUART PADDOCK M.D.
Emergency Medicine
23962 ALICIA PKWY, SUITE I1
MISSION VIEJO, CA 92691
Orange County (949) 452-7699
MOHAMMAD FAISAL AL-SAYYAD MD
Emergency Medicine
23962 ALICIA PKWY
MISSION VIEJO, CA 92691
Orange County (949) 452-7699
GENE PHUOC HUU BUI
Emergency Medicine (Emergency Medical Services)
23962 ALICIA PKWY, SUITE I1
MISSION VIEJO, CA 92691
Orange County (949) 452-7699
LINDA CHRISTINE KIEHLMEIR P.A-C
Physician Assistant
23962 ALICIA PKWY, STE I-1
MISSION VIEJO, CA 92691
Orange County (949) 770-6000

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 Nader Ahmad's NPI number?

The NPI number for Nader Ahmad is 1013150317. It was assigned to this individual provider in the NPPES registry on April 16, 2009.

Where is Nader Ahmad located?

Nader Ahmad practices at 23962 Alicia Pkwy Saddleback Family & Urgent Care, Mission Viejo, CA 92691. The listed phone number is (949) 452-7699.

What is Nader Ahmad's specialty?

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

Is Nader Ahmad enrolled in Medicare?

Yes. Nader Ahmad is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Nader Ahmad's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nader Ahmad reassigns Medicare benefits to Cep America - Auc, PC (Mission Viejo, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Nader Ahmad's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Nader Ahmad was last updated on April 23, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.