DR. CAESAR REZA DJAVAHERIAN M.D.
NPI 1790760551
Emergency Medicine in Fairfield, CA
About Dr. Caesar Reza Djavaherian M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. CAESAR REZA DJAVAHERIAN M.D. (NPI 1790760551) is an individual emergency medicine provider in Fairfield, California, licensed in California (A104178) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS and is a graduate of University Of Rochester School Of Medicine And Dentistry (2002).
NPPES Registry Identity
Specialties & Licenses
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. Caesar Reza Djavaherian M.d. 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.
Medicare Billing Reassignments
6Medicare enrollment records show Caesar Djavaherian reassigns Medicare billing to 6 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 94533
- Reassigned Medicare billing, California enrollment
- 212 clinicians in this Medicare group
Berkeley, CA 94705
- Reassigned Medicare billing, California enrollment
- 241 clinicians in this Medicare group
Santa Rosa, CA 95405
- Reassigned Medicare billing, California enrollment
- 65 clinicians in this Medicare group
Fremont, CA 94538
- Reassigned Medicare billing, California enrollment
- 103 clinicians in this Medicare group
San Jose, CA 95128
- Reassigned Medicare billing, California enrollment
- 197 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 5
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94533 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.
FAIRFIELD, CA 94533
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 Caesar Djavaherian's NPI number?
The NPI number for Caesar Djavaherian is 1790760551. It was assigned to this individual provider in the NPPES registry on December 14, 2005.
Where is Caesar Djavaherian located?
Caesar Djavaherian practices at 1200 B Gale Wilson Blvd, Fairfield, CA 94533. The listed phone number is (707) 646-7800.
What is Caesar Djavaherian's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Caesar Djavaherian enrolled in Medicare?
Yes. Caesar Djavaherian 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 Caesar Djavaherian's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Caesar Djavaherian reassigns Medicare benefits to 6 organizations: Northbay Healthcare Group (Fairfield, CA), Solano Gateway Medical Group Inc (Fairfield, CA), Carbon Health Medical Group Of California PC (Berkeley, CA), Chase Dennis Emergency Medical Group Inc (Santa Rosa, CA), Emergency Physicians Associates Fremont PC (Fremont, 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 Caesar Djavaherian'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 Caesar Djavaherian was last updated on March 14, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.
# Dr. Caesar Reza Djavaherian, M.D. · NPI 1790760551
Emergency Medicine physician in Fairfield, California. Individual provider, active in the CMS NPPES registry since December 14, 2005.
## Identity
- **NPI:** 1790760551 (Entity type: Individual)
- **Enumerated:** December 14, 2005
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** A104178 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1200 B GALE WILSON BLVD, Fairfield, CA 94533-3552
- **Phone:** (707) 646-7800
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 6 organizations under Medicare reassignment (form CMS-855R): Northbay Healthcare Group (NPI 1780736736, Fairfield, CA); Solano Gateway Medical Group Inc (NPI 1952344293, Fairfield, CA); Carbon Health Medical Group Of California PC (NPI 1417294232, Berkeley, CA); Chase Dennis Emergency Medical Group Inc (NPI 1033152350, Santa Rosa, CA); Emergency Physicians Associates Fremont PC (NPI 1790250967, Fremont, CA); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Rochester School Of Medicine And Dentistry, class of 2002
## Record status
- **NPPES last updated:** March 14, 2011
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Source: [NPI Profile](https://npiprofile.com/npi/1790760551) · Data from the CMS NPPES public registry.