DR. ASHKAUN RAZMARA MD, MPH
NPI 1023570496
Neurological Surgery in Fairfield, CA

Active since April 03, 2019PECOS Enrolled
101 BODIN CIR, FAIRFIELD, CA 94535(707) 423-3000 Get Directions Write a Review

NPPES record last updated: July 9, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jul 9, 2026, Jun 3, 2026, Apr 3, 2019 (3 updates tracked since 2019).

About Dr. Ashkaun Razmara Md, Mph NPPES

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

DR. ASHKAUN RAZMARA MD, MPH (NPI 1023570496) is an individual neurological surgery provider in Fairfield, California, licensed in California (A209642) and active in the NPI registry since April 2019. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2019).

NPPES Registry Identity

NPI1023570496
Entity TypeIndividualMale
Primary Taxonomy207T00000X
Provider Legal NameDR. ASHKAUN RAZMARACredential: MD, MPH
Location Address101 BODIN CIRFairfield, CA 94535-1809
Mailing Address101 Bodin CirTravis Afb, CA 94535-1809
Sole ProprietorNo
Medical School CMSOtherGraduated 2019
Enumeration DateApril 3, 2019
Last NPPES UpdateJuly 9, 20263 updates tracked since enumeration
NPPES CertifiedJuly 9, 2026
✔ NPI 1023570496 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNeurological SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207T00000X
License✔ Licensed in CA · A209642
Definition
A neurological surgeon provides the operative and non-operative management (i.e., prevention, diagnosis, evaluation, treatment, critical care, and rehabilitation) of disorders of the central, peripheral, and autonomic nervous systems, including their supporting structures and vascular supply; the evaluation and treatment of pathological processes which modify function or activity of the nervous system; and the operative and non-operative management of pain. A neurological surgeon treats patients with disorders of the nervous system; disorders of the brain, meninges, skull, and their blood supply, including the extracranial carotid and vertebral arteries; disorders of the pituitary gland; disorders of the spinal cord, meninges, and vertebral column, including those which may require treatment by spinal fusion or instrumentation; and disorders of the cranial and spinal nerves throughout their distribution.
101 BODIN CIR, Fairfield, CA 94535

Secondary Practice Locations 2

Location 11200 B Gale Wilson BlvdFairfield, CA 94533-3552 · Phone (707) 646-5000
Location 23421 Villa Ln Ste 2CNapa, CA 94558-3060 · Phone (415) 502-8248

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Ashkaun Razmara Md, Mph is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID7113359290
PECOS Enrollment IDI20260617003563
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

5

Medicare enrollment records show Ashkaun Razmara reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

General Acute Care Hospital
1200 B GALE WILSON BLVD
Fairfield, CA 94533
  • Reassigned Medicare billing, California enrollment
  • Medicare enrollment name: Northbay Physicians Surgery Center, LLC
  • 516 clinicians in this Medicare group
Internal Medicine
4500 BUSINESS CENTER DR
Fairfield, CA 94534
  • Reassigned Medicare billing, California enrollment
  • 225 clinicians in this Medicare group
Surgery
400 PARNASSUS AVE, MCB 300
San Francisco, CA 94143
  • Reassigned Medicare billing, California enrollment
  • 5,645 clinicians in this Medicare group
Internal Medicine
400 PARNASSUS AVE
San Francisco, CA 94122
  • Reassigned Medicare billing, California enrollment
  • 5,544 clinicians in this Medicare group
Surgery
505 PARNASSUS AVE
San Francisco, CA 94143
  • Reassigned Medicare billing, California enrollment
  • 761 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94535 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
$145.83 typical visit price
range $65.02 – $191.95
Typical copayment $36.45 (range $16.25 – $47.98)
Most-billed visit code 99204
Established Patient
$80.24 typical visit price
range $21.86 – $157.69
Typical copayment $20.06 (range $5.46 – $39.42)
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.

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.

Military Health Care Provider (Independent Duty Medical Technicians)
101 BODIN CIR
TRAVIS AFB, CA 94535
Physical Therapist
101 BODIN CIR
TRAVIS AFB, CA 94535
Thoracic Surgery (Cardiothoracic Vascular Surgery)
101 BODIN CIR
TRAVIS AFB, CA 94535
Surgery (Vascular Surgery)
101 BODIN CIR
FAIRFIELD, CA 94535
Pharmacist
101 BODIN CIR
TRAVIS AFB, CA 94535
Anesthesiology
101 BODIN CIR
FAIRFIELD, CA 94535
Family Medicine
101 BODIN CIR
TRAVIS AFB, CA 94535
Dentist (General Practice)
101 BODIN CIR
TRAVIS AFB, CA 94535

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 Ashkaun Razmara's NPI number?

The NPI number for Ashkaun Razmara is 1023570496. It was assigned to this individual provider in the NPPES registry on April 3, 2019.

Where is Ashkaun Razmara located?

Ashkaun Razmara practices at 101 Bodin Cir, Fairfield, CA 94535. The listed phone number is (707) 423-3000.

What is Ashkaun Razmara's specialty?

The primary specialty registered for this NPI is Neurological Surgery with taxonomy code 207T00000X.

Is Ashkaun Razmara enrolled in Medicare?

Yes. Ashkaun Razmara is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Ashkaun Razmara's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ashkaun Razmara reassigns Medicare benefits to 5 organizations: Northbay Healthcare Group (Fairfield, CA), Northbay Health Medical Foundation (Fairfield, CA), University Of California San Francisco (San Francisco, CA), Ucsf Medical Group Business Services (San Francisco, CA) and Ucsf Dept Of Surgery (San Francisco, CA). 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 Ashkaun Razmara'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 Ashkaun Razmara was last updated on July 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.