DR. ASHKAUN RAZMARA MD, MPH
NPI 1023570496
Neurological Surgery in Fairfield, CA
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
Specialties & Licenses
Secondary Practice Locations 2
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).
Medicare Billing Reassignments
5Medicare 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.
Fairfield, CA 94533
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: Northbay Physicians Surgery Center, LLC
- 516 clinicians in this Medicare group
Fairfield, CA 94534
- Reassigned Medicare billing, California enrollment
- 225 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 5,645 clinicians in this Medicare group
San Francisco, CA 94122
- Reassigned Medicare billing, California enrollment
- 5,544 clinicians in this Medicare group
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.
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.
TRAVIS AFB, CA 94535
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.