DR. RAHELE MAZAREI D.O.
NPI 1639170459
Obstetrics & Gynecology in Vista, CA
About Dr. Rahele Mazarei D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. RAHELE MAZAREI D.O. (NPI 1639170459) is an individual obstetrics & gynecology provider in Vista, California, licensed in California (20A7358) and active in the NPI registry since August 2005. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (1997).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
Other Identifiers 1
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. Rahele Mazarei D.o. 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
5Medicare enrollment records show Rahele Mazarei reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Tustin, CA 92780
- Reassigned Medicare billing, California enrollment
- 2,052 clinicians in this Medicare group
Redlands, CA 92373
- Reassigned Medicare billing, California enrollment
- 635 clinicians in this Medicare group
Los Alamitos, CA 90720
- Reassigned Medicare billing, California enrollment
- 228 clinicians in this Medicare group
Stockton, CA 95204
- Reassigned Medicare billing, California enrollment
- 83 clinicians in this Medicare group
Greenville, SC 29607
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: Obhg California PC
- 711 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 3
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 92083 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Rahele Mazarei's NPI number?
The NPI number for Rahele Mazarei is 1639170459. It was assigned to this individual provider in the NPPES registry on August 2, 2005.
Where is Rahele Mazarei located?
Rahele Mazarei practices at 2067 W Vista Way Ste 200, Vista, CA 92083. The listed phone number is (760) 941-1440.
What is Rahele Mazarei's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Rahele Mazarei enrolled in Medicare?
Yes. Rahele Mazarei 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 Rahele Mazarei's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Rahele Mazarei reassigns Medicare benefits to 5 organizations: Healthcare Partners Affiliates Medical Group (Tustin, CA), Beaver Medical Group P C (Redlands, CA), Centers For Family Medicine Gp (Los Alamitos, CA), Dhp Of California Medical Group Inc (Stockton, CA) and Obhg California, P.C. (Greenville, SC). 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 Rahele Mazarei'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 Rahele Mazarei was last updated on November 23, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.
# Dr. Rahele Mazarei, D.O. · NPI 1639170459
Obstetrics & Gynecology physician in Vista, California. Individual provider, active in the CMS NPPES registry since August 2, 2005.
## Identity
- **NPI:** 1639170459 (Entity type: Individual)
- **Enumerated:** August 2, 2005
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** 20A7358 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 2067 W VISTA WAY STE 200, Vista, CA 92083-6033
- **Phone:** (760) 941-1440
## 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:** 5 organizations under Medicare reassignment (form CMS-855R): Healthcare Partners Affiliates Medical Group (NPI 1891981502, Tustin, CA); Beaver Medical Group P C (NPI 1649503319, Redlands, CA); Centers For Family Medicine Gp (NPI 1467598243, Los Alamitos, CA); Dhp Of California Medical Group Inc (NPI 1679836084, Stockton, CA); Obhg California, P.C. (NPI 1215258892, Greenville, SC) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1997
## Record status
- **NPPES last updated:** November 23, 2025
- **Other identifiers:** Medicaid 00AX73580 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1639170459) · Data from the CMS NPPES public registry.