DR. MEHRDAD ALI MANSOURI M.D., PH.D.
NPI 1376532747
Hospitalist in Martinez, CA
About Dr. Mehrdad Ali Mansouri M.d., Ph.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MEHRDAD ALI MANSOURI M.D., PH.D. (NPI 1376532747) is an individual hospitalist provider in Martinez, California, licensed in California (A101584) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS and is a graduate of Albany Medical College Of Union University (2004).
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. Mehrdad Ali Mansouri M.d., Ph.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
3Medicare enrollment records show Mehrdad Mansouri reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Walnut Creek, CA 94597
- Reassigned Medicare billing, California enrollment
- 650 clinicians in this Medicare group
Vallejo, CA 94589
- Reassigned Medicare billing, California enrollment
- 20,078 clinicians in this Medicare group
Napa, CA 94558
- Reassigned Medicare billing, California enrollment
- 1,699 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 94553 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.
MARTINEZ, CA 94553
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 Mehrdad Mansouri's NPI number?
The NPI number for Mehrdad Mansouri is 1376532747. It was assigned to this individual provider in the NPPES registry on October 18, 2005.
Where is Mehrdad Mansouri located?
Mehrdad Mansouri practices at 2500 Alhambra Ave, Martinez, CA 94553. The listed phone number is (925) 370-5200.
What is Mehrdad Mansouri's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Mehrdad Mansouri enrolled in Medicare?
Yes. Mehrdad Mansouri 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 Mehrdad Mansouri's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mehrdad Mansouri reassigns Medicare benefits to 3 organizations: John Muir Physician Network (Walnut Creek, CA), Permanente Medical Group Inc (Vallejo, CA) and Providence Medical Foundation (Napa, 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 Mehrdad Mansouri'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 Mehrdad Mansouri was last updated on February 11, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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. Mehrdad Ali Mansouri, M.D., PH.D. · NPI 1376532747
Hospitalist physician in Martinez, California. Individual provider, active in the CMS NPPES registry since October 18, 2005.
## Identity
- **NPI:** 1376532747 (Entity type: Individual)
- **Enumerated:** October 18, 2005
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** A101584 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 2500 ALHAMBRA AVE, Martinez, CA 94553-3156
- **Phone:** (925) 370-5200
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): John Muir Physician Network (NPI 1841407665, Walnut Creek, CA); Permanente Medical Group Inc (NPI 1336222397, Vallejo, CA); Providence Medical Foundation (NPI 1205131950, Napa, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Albany Medical College Of Union University, class of 2004
## Record status
- **NPPES last updated:** February 11, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1376532747) · Data from the CMS NPPES public registry.