REZA BASHTAR
NPI 1285868729
Hospitalist in Irvine, CA
About Reza Bashtar NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
REZA BASHTAR (NPI 1285868729) is an individual hospitalist provider in Irvine, California, licensed in California (A119388) and active in the NPI registry since May 2009. He is enrolled in Medicare PECOS and is a graduate of Other (2004).
NPPES Registry Identity
Specialties & Licenses 2
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
Reza Bashtar 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
13Medicare enrollment records show Reza Bashtar reassigns Medicare billing to 13 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Laguna Hills, CA 92653
- Reassigned Medicare billing, California enrollment
- 131 clinicians in this Medicare group
Mission Viejo, CA 92691
- Reassigned Medicare billing, California enrollment
- 1,699 clinicians in this Medicare group
Wildomar, CA 92595
- Reassigned Medicare billing, California enrollment
- 962 clinicians in this Medicare group
Los Angeles, CA 90059
- Reassigned Medicare billing, California enrollment
- 198 clinicians in this Medicare group
San Bernardino, CA 92404
- Reassigned Medicare billing, California enrollment
- 1,216 clinicians in this Medicare group
West Hollywood, CA 90048
- Reassigned Medicare billing, California enrollment
- 175 clinicians in this Medicare group
West Hills, CA 91307
- Reassigned Medicare billing, California enrollment
- 94 clinicians in this Medicare group
Apple Valley, CA 92307
- Reassigned Medicare billing, California enrollment
- 914 clinicians in this Medicare group
San Luis Obispo, CA 93401
- Reassigned Medicare billing, California enrollment
- 182 clinicians in this Medicare group
Gilroy, CA 95020
- Reassigned Medicare billing, California enrollment
- 2,460 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 6
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 92618 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 4
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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 Reza Bashtar's NPI number?
The NPI number for Reza Bashtar is 1285868729. It was assigned to this individual provider in the NPPES registry on May 12, 2009.
Where is Reza Bashtar located?
Reza Bashtar practices at 13204 Telmo, Irvine, CA 92618. The listed phone number is (858) 208-6550.
What is Reza Bashtar's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Reza Bashtar enrolled in Medicare?
Yes. Reza Bashtar 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 Reza Bashtar's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Reza Bashtar reassigns Medicare benefits to 13 organizations: California Emergency Physicians Medical Group A Professional Corp (Laguna Hills, CA), Providence Medical Foundation (Mission Viejo, CA), Galen Inpatient Physicians Inc (Wildomar, CA), Superior Hospitalist Medical Group Inc (Los Angeles, CA), Inpatient Specialists Of California, PC (San Bernardino, CA) and 8 more organizations, 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 Reza Bashtar'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 Reza Bashtar was last updated on December 4, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.