DR. GOLSHAN FAHIMI MD
NPI 1376066548
Psychiatry & Neurology - Clinical Neurophysiology in Mission Viejo, CA

Active since July 19, 2017PECOS EnrolledAccepts Medicare Assignment
23512 MADERO RD., MISSION VIEJO, CA 92691(949) 583-1600(949) 454-8067 Get Directions Write a Review

NPPES record last updated: August 5, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Aug 5, 2024, Jul 19, 2017 (2 updates tracked since 2017).

About Dr. Golshan Fahimi Md NPPES

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

DR. GOLSHAN FAHIMI MD (NPI 1376066548) is an individual clinical neurophysiology provider in Mission Viejo, California, licensed in California (A175507) and active in the NPI registry since July 2017. She is enrolled in Medicare PECOS, maintains a secondary practice location in Syracuse, and is a graduate of Other (2011).

NPPES Registry Identity

NPI1376066548
Entity TypeIndividualFemale
Primary Taxonomy2084N0600X
Provider Legal NameDR. GOLSHAN FAHIMICredential: MD
Location Address23512 MADERO RD.Mission Viejo, CA 92691
Mailing Address23512 Madero Rd.Mission Viejo, CA 92691 · (949) 583-1600 · Fax (949) 454-8067
Fax(949) 454-8067
Sole ProprietorNo
Medical School CMSOtherGraduated 2011
Enumeration DateJuly 19, 2017
Last NPPES UpdateAugust 5, 20242 updates tracked since enumeration
NPPES CertifiedAugust 5, 2024
✔ NPI 1376066548 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · Clinical NeurophysiologyAllopathic & Osteopathic Physicians
Taxonomy Code2084N0600X
License✔ Licensed in CA · A175507
Definition
Clinical Neurophysiology is a subspecialty with psychiatric or neurologic expertise in the diagnosis and management of central, peripheral, and autonomic nervous system disorders using combined clinical evaluation and electrophysiologic testing such as electroencephalography (EEG), electromyography (EMG), and nerve conduction studies (NCS).
23512 MADERO RD., Mission Viejo, CA 92691

Secondary Practice Location 1

Location 1750 E Adams StSyracuse, NY 13210-2306 · Phone (315) 464-4243

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

Dr. Golshan Fahimi Md 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 ID2668719261
PECOS Enrollment IDI20220907003112
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 Golshan Fahimi reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Gastroenterology
24221 CALLE DE LA LOUISA, SUITE 400
Laguna Hills, CA 92653
  • Reassigned Medicare billing, California enrollment
  • 86 clinicians in this Medicare group
Addiction Medicine
14591 NEWPORT AVE
Tustin, CA 92780
  • Reassigned Medicare billing, California enrollment
  • 2,052 clinicians in this Medicare group
Clinic/Center
17360 BROOKHURST ST
Fountain Valley, CA 92708
  • Reassigned Medicare billing, California enrollment
  • 948 clinicians in this Medicare group
Family Medicine
3460 KATELLA AVE
Los Alamitos, CA 90720
  • Reassigned Medicare billing, California enrollment
  • 228 clinicians in this Medicare group
Family Medicine
8110 MANGO AVE
Fontana, CA 92335
  • Reassigned Medicare billing, California enrollment
  • 149 clinicians in this Medicare group
Family Medicine
2 WEST FERN AVENUE
Redlands, CA 92373
  • Reassigned Medicare billing, California enrollment
  • 635 clinicians in this Medicare group

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 2

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.

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.
32 services32 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.
20 services18 patients

Other Providers at the Same Location NPPES

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

Internal Medicine
23512 MADERO RD.
MISSION VIEJO, CA 92691

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 Golshan Fahimi's NPI number?

The NPI number for Golshan Fahimi is 1376066548. It was assigned to this individual provider in the NPPES registry on July 19, 2017.

Where is Golshan Fahimi located?

Golshan Fahimi practices at 23512 Madero Rd., Mission Viejo, CA 92691. The listed phone number is (949) 583-1600.

What is Golshan Fahimi's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Clinical Neurophysiology, with taxonomy code 2084N0600X.

Is Golshan Fahimi enrolled in Medicare?

Yes. Golshan Fahimi 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 Golshan Fahimi's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Golshan Fahimi reassigns Medicare benefits to 6 organizations: Saddleback Medical Group Inc (Laguna Hills, CA), Healthcare Partners Affiliates Medical Group (Tustin, CA), Memorialcare Medical Foundation (Fountain Valley, 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 Golshan Fahimi'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 Golshan Fahimi was last updated on August 5, 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.