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SEYED AHMAD SAJJADI M.D., PHD
NPI 1750733325
Psychiatry & Neurology - Behavioral Neurology & Neuropsychiatry in Orange, CA

Active since July 07, 2016PECOS EnrolledAccepts Medicare Assignment
100/100
CMS Quality Rating
101 THE CITY DR S, ORANGE, CA 92868(714) 456-7890 Get Directions Write a Review

NPPES record last updated: September 25, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 25, 2024, Sep 4, 2024 (2 updates tracked since 2024).

About Seyed Ahmad Sajjadi M.d., Phd NPPES

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

SEYED AHMAD SAJJADI M.D., PHD (NPI 1750733325) is an individual behavioral neurology & neuropsychiatry provider in Orange, California, licensed in California (A172021) and active in the NPI registry since July 2016. He is enrolled in Medicare PECOS and is a graduate of Other (2002).

NPPES Registry Identity

NPI1750733325
Entity TypeIndividualMale
Primary Taxonomy2084B0040X
Provider Legal NameSEYED AHMAD SAJJADICredential: M.D., PHD
Location Address101 THE CITY DR SOrange, CA 92868-3201
Mailing Address51 PeppermintIrvine, CA 92620-3361 · (949) 302-4123
Phone(714) 456-7890
Sole ProprietorNo
Medical School CMSOtherGraduated 2002
Enumeration DateJuly 7, 2016
Last NPPES UpdateSeptember 25, 20242 updates tracked since enumeration
NPPES CertifiedSeptember 25, 2024
✔ NPI 1750733325 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · Behavioral Neurology & NeuropsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084B0040X
License✔ Licensed in CA · A172021
Definition
Behavioral Neurology & Neuropsychiatry is a medical subspecialty involving the diagnosis and treatment of neurologically based behavioral issues.
Also ListedPsychiatry & Neurology · NeurologyTaxonomy 2084N0400X · License F 440 (CA), A172021 (CA)
101 THE CITY DR S, Orange, CA 92868
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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

Seyed Ahmad Sajjadi M.d., Phd 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 ID4880987734
PECOS Enrollment IDI20160729000886
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 Seyed Ahmad Sajjadi reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Regents Of The University Of Claifornia Univ Neursciences
0.1 mi
Neurology
101 THE CITY DR S
Orange, CA 92868
  • Reassigned Medicare billing, California enrollment
  • 135 clinicians in this Medicare group
NPI 1205884210 (714) 456-8068

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.

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.
117 services97 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.
80 services72 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
72 services72 patients
Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or G2212
This service refers to extended doctor visits where your healthcare provider spends additional time evaluating and managing your health beyond the primary procedure's required time. This includes each extra 15 minutes spent by the physician on the same day as the primary service.
20 services13 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.
14 services14 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.
13 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92868 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
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

100/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality82.4
Promoting Interoperability100
Improvement Activities40

Other Providers at the Same Location NPPES 20

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

DR. ANKIT BHUPENDRA PATEL D.O.
Radiology (Diagnostic Radiology)
101 THE CITY DR S
ORANGE, CA 92868
Orange County (714) 456-5113
DR. LAURA CATHERINE SKOCZYLAS MD
Obstetrics & Gynecology
101 THE CITY DR S, BUILDING 56, DEPARTMENT OF OB/GYN
ORANGE, CA 92868
Orange County (714) 456-8224
MICHAEL CHENG DO
Internal Medicine (Rheumatology)
101 THE CITY DR S
ORANGE, CA 92868
Orange County (714) 456-7110
AESTHETIC AND PLASTIC SURGERY INSTITUTE
Plastic Surgery
101 THE CITY DR S
ORANGE, CA 92868
Orange County (714) 456-2986
JOSEPH VILLARREAL M.D.
Emergency Medicine
101 THE CITY DR S, BUILDING 1A, ROOM 1009
ORANGE, CA 92868
Orange County (714) 456-5239
DEMI TRAN
Psychiatry & Neurology (Neurology)
101 THE CITY DR S, CITY TOWER, SUITE 400
ORANGE, CA 92868
Orange County (171) 456-6693
DR. ISABEL CARLTON CLARK M.D.
Surgery (Trauma Surgery)
101 THE CITY DR S
ORANGE, CA 92868
Orange County (714) 456-7890
DYLAN LUKATO
Emergency Medicine
101 THE CITY DR S
ORANGE, CA 92868
Orange County (415) 218-8041

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 Seyed Ahmad Sajjadi's NPI number?

The NPI number for Seyed Ahmad Sajjadi is 1750733325. It was assigned to this individual provider in the NPPES registry on July 7, 2016.

Where is Seyed Ahmad Sajjadi located?

Seyed Ahmad Sajjadi practices at 101 The City Dr S, Orange, CA 92868. The listed phone number is (714) 456-7890.

What is Seyed Ahmad Sajjadi's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Behavioral Neurology & Neuropsychiatry, with taxonomy code 2084B0040X.

Is Seyed Ahmad Sajjadi enrolled in Medicare?

Yes. Seyed Ahmad Sajjadi 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 organization bills Medicare for Seyed Ahmad Sajjadi's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Seyed Ahmad Sajjadi reassigns Medicare benefits to Regents Of The University Of Claifornia Univ Neursciences (Orange, 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 Seyed Ahmad Sajjadi'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 Seyed Ahmad Sajjadi was last updated on September 25, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.