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OMEED AHADIAT
NPI 1497250955
Dermatology in Foothill Ranch, CA

Active since March 27, 2018PECOS EnrolledAccepts Medicare Assignment
26700 TOWNE CENTRE DR STE 170, FOOTHILL RANCH, CA 92610(949) 919-3834(949) 535-4411 Get Directions Write a Review

NPPES record last updated: November 5, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Nov 5, 2025, Oct 3, 2022, Jul 5, 2022 and 1 more (4 updates tracked since 2018).

About Omeed Ahadiat NPPES

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

OMEED AHADIAT (NPI 1497250955) is an individual dermatology provider in Foothill Ranch, California, licensed in California (A163538) and active in the NPI registry since March 2018. He is enrolled in Medicare PECOS and is a graduate of Chicago College Of Medicine And Surgery (2018).

NPPES Registry Identity

NPI1497250955
Entity TypeIndividualMale
Primary Taxonomy207N00000X
Provider Legal NameOMEED AHADIAT
Location Address26700 TOWNE CENTRE DR STE 170Foothill Ranch, CA 92610-2850
Mailing Address20270 Kline LnYorba Linda, CA 92887-3269 · Fax (949) 535-4411
Phone(949) 919-3834
Fax(949) 535-4411
Sole ProprietorNo
Medical School CMSChicago College Of Medicine And SurgeryGraduated 2018
Enumeration DateMarch 27, 2018
Last NPPES UpdateNovember 5, 20254 updates tracked since enumeration
NPPES CertifiedNovember 5, 2025
✔ NPI 1497250955 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDermatologyAllopathic & Osteopathic Physicians
Taxonomy Code207N00000X
License✔ Licensed in CA · A163538
Definition
A dermatologist is trained to diagnose and treat pediatric and adult patients with benign and malignant disorders of the skin, mouth, external genitalia, hair and nails, as well as a number of sexually transmitted diseases. The dermatologist has had additional training and experience in the diagnosis and treatment of skin cancers, melanomas, moles and other tumors of the skin, the management of contact dermatitis and other allergic and nonallergic skin disorders, and in the recognition of the skin manifestations of systemic (including internal malignancy) and infectious diseases. Dermatologists have special training in dermatopathology and in the surgical techniques used in dermatology. They also have expertise in the management of cosmetic disorders of the skin such as hair loss and scars and the skin changes associated with aging.
26700 TOWNE CENTRE DR STE 170, Foothill Ranch, CA 92610
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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 and accepts Medicare assignment

Omeed Ahadiat 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 ID5890171003
PECOS Enrollment IDI20221022000104
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

6

Medicare enrollment records show Omeed Ahadiat reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Saddleback Medical Group Inc
5.1 mi
Gastroenterology
24221 CALLE DE LA LOUISA, SUITE 400
Laguna Hills, CA 92653
  • Reassigned Medicare billing, California enrollment
  • 86 clinicians in this Medicare group
NPI 1386605822 (949) 465-8155
Omeed Ahadiat, M.D.
5.8 mi
Dermatology
113 WATERWORKS WAY
Irvine, CA 92618
  • Reassigned Medicare billing, California enrollment
  • Medicare enrollment name: Omeed Ahadiat MD
NPI 1316679558 (949) 551-1113
Healthcare Partners Affiliates Medical Group
10 mi
Addiction Medicine
14591 NEWPORT AVE
Tustin, CA 92780
  • Reassigned Medicare billing, California enrollment
  • 2,052 clinicians in this Medicare group
NPI 1891981502 (714) 442-4864
Centers For Family Medicine Gp
25 mi
Family Medicine
3460 KATELLA AVE
Los Alamitos, CA 90720
  • Reassigned Medicare billing, California enrollment
  • 228 clinicians in this Medicare group
NPI 1467598243 (562) 594-6599
Pinnacle Medical Group, Inc
33 mi
Family Medicine
8110 MANGO AVE
Fontana, CA 92335
  • Reassigned Medicare billing, California enrollment
  • 149 clinicians in this Medicare group
NPI 1376876912 (909) 427-1303
Beaver Medical Group P C
37 mi
Family Medicine
2 WEST FERN AVENUE
Redlands, CA 92373
  • Reassigned Medicare billing, California enrollment
  • 635 clinicians in this Medicare group
NPI 1649503319 (909) 793-3311

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 6

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.

Destruction of precancer skin growth, 2-14 growths 17003
This procedure involves removing 2-14 precancerous skin growths. The growths are treated to prevent them from potentially developing into skin cancer. The process is safe, with minimal discomfort, and promotes healthier skin.
209 services38 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
69 services52 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
55 services55 patients
Destruction of precancer skin growth, 1 growth 17000
"Destruction of precancer skin growth" is a procedure that eliminates a single precancerous skin growth. This is done to prevent it from developing into skin cancer. The growth may be removed using various methods such as cryotherapy (freezing), laser therapy, or topical medications.
52 services41 patients
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.
39 services32 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
22 services22 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92610 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
$77.96 typical visit price
range $20.84 – $153.61
Typical copayment $19.49 (range $5.21 – $38.40)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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 Omeed Ahadiat's NPI number?

The NPI number for Omeed Ahadiat is 1497250955. It was assigned to this individual provider in the NPPES registry on March 27, 2018.

Where is Omeed Ahadiat located?

Omeed Ahadiat practices at 26700 Towne Centre Dr Ste 170, Foothill Ranch, CA 92610. The listed phone number is (949) 919-3834.

What is Omeed Ahadiat's specialty?

The primary specialty registered for this NPI is Dermatology with taxonomy code 207N00000X.

Is Omeed Ahadiat enrolled in Medicare?

Yes. Omeed Ahadiat is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Omeed Ahadiat's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Omeed Ahadiat reassigns Medicare benefits to 6 organizations: Saddleback Medical Group Inc (Laguna Hills, CA), Omeed Ahadiat, M.D. (Irvine, CA), Healthcare Partners Affiliates Medical Group (Tustin, CA), Centers For Family Medicine Gp (Los Alamitos, CA), Pinnacle Medical Group, Inc (Fontana, CA) and 1 more organization, listed in the Medicare section above. Each 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 Omeed Ahadiat'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 Omeed Ahadiat was last updated on November 5, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months 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.