MR. ALIREZA REZAPOUR M.D
NPI 1043370224
Internal Medicine in Concord, CA
About Mr. Alireza Rezapour M.d NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. ALIREZA REZAPOUR M.D (NPI 1043370224) is an individual internal medicine provider in Concord, California, licensed in California (A52542) and active in the NPI registry since December 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1991).
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
Mr. Alireza Rezapour 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 Reassignment
Medicare enrollment records show Alireza Rezapour reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Walnut Creek, CA 94597
- Reassigned Medicare billing, California enrollment
- 650 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 94518 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
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 10
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CONCORD, CA 94518
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 Alireza Rezapour's NPI number?
The NPI number for Alireza Rezapour is 1043370224. It was assigned to this individual provider in the NPPES registry on December 11, 2006.
Where is Alireza Rezapour located?
Alireza Rezapour practices at 2000 Sierra Road, Concord, CA 94518. The listed phone number is (925) 363-2000.
What is Alireza Rezapour's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Alireza Rezapour enrolled in Medicare?
Yes. Alireza Rezapour 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 organization bills Medicare for Alireza Rezapour's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alireza Rezapour reassigns Medicare benefits to John Muir Physician Network (Walnut Creek, CA). The 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 Alireza Rezapour'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 Alireza Rezapour was last updated on February 12, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Mr. Alireza Rezapour, M.D · NPI 1043370224
Internal Medicine physician in Concord, California. Individual provider, active in the CMS NPPES registry since December 11, 2006.
## Identity
- **NPI:** 1043370224 (Entity type: Individual)
- **Enumerated:** December 11, 2006
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** A52542 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 2000 SIERRA ROAD, Concord, CA 94518
- **Phone:** (925) 363-2000 · **Fax:** (925) 363-2006
## 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:** John Muir Physician Network (NPI 1841407665, Walnut Creek, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1991
## Record status
- **NPPES last updated:** February 12, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1043370224) · Data from the CMS NPPES public registry.