MOHAMMAD MALEKZADEGAN
NPI 1881085207
Internal Medicine - Pulmonary Disease in Riverside, CA
About Mohammad Malekzadegan NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MOHAMMAD MALEKZADEGAN (NPI 1881085207) is an individual pulmonary disease provider in Riverside, California, licensed in California (A169241) and active in the NPI registry since February 2015. He is enrolled in Medicare PECOS and is a graduate of Other (2005).
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
Mohammad Malekzadegan 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
7Medicare enrollment records show Mohammad Malekzadegan reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Riverside, CA 92505
- Reassigned Medicare billing, California enrollment
- 114 clinicians in this Medicare group
Anaheim, CA 92807
- Reassigned Medicare billing, California enrollment
- 488 clinicians in this Medicare group
San Bernardino, CA 92404
- Reassigned Medicare billing, California enrollment
- 1,216 clinicians in this Medicare group
Orange, CA 92868
- Reassigned Medicare billing, California enrollment
- 75 clinicians in this Medicare group
Orange, CA 92868
- Reassigned Medicare billing, California enrollment
- 525 clinicians in this Medicare group
Duarte, CA 91010
- Reassigned Medicare billing, California enrollment
- 1,335 clinicians in this Medicare group
Montebello, CA 90640
- Reassigned Medicare billing, California enrollment
- 126 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 92505 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.
RIVERSIDE, CA 92505
RIVERSIDE, CA 92505
RIVERSIDE, CA 92505
RIVERSIDE, CA 92505
RIVERSIDE, CA 92505
RIVERSIDE, CA 92505
RIVERSIDE, CA 92505
RIVERSIDE, CA 92505
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 Mohammad Malekzadegan's NPI number?
The NPI number for Mohammad Malekzadegan is 1881085207. It was assigned to this individual provider in the NPPES registry on February 6, 2015.
Where is Mohammad Malekzadegan located?
Mohammad Malekzadegan practices at 4234 Riverwalk Pkwy Ste 230, Riverside, CA 92505. The listed phone number is (951) 373-5819.
What is Mohammad Malekzadegan's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.
Is Mohammad Malekzadegan enrolled in Medicare?
Yes. Mohammad Malekzadegan 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 Mohammad Malekzadegan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mohammad Malekzadegan reassigns Medicare benefits to 7 organizations: El-Bershawi Medical Corp (Riverside, CA), First Choice Physician Partners (Anaheim, CA), Inpatient Specialists Of California, PC (San Bernardino, CA), Regents Of The University Of California (Orange, CA), Uc Regents (Orange, CA) and 2 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 Mohammad Malekzadegan'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 Mohammad Malekzadegan was last updated on July 22, 2020. 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.
# Mohammad Malekzadegan · NPI 1881085207
Pulmonary Disease physician in Riverside, California. Individual provider, active in the CMS NPPES registry since February 6, 2015.
## Identity
- **NPI:** 1881085207 (Entity type: Individual)
- **Enumerated:** February 6, 2015
- **Primary specialty:** Internal Medicine - Pulmonary Disease · taxonomy 207RP1001X
- **State license:** A169241 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 4234 RIVERWALK PKWY STE 230, Riverside, CA 92505-3312
- **Phone:** (951) 373-5819 · **Fax:** (951) 781-0365
## 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:** 7 organizations under Medicare reassignment (form CMS-855R): El-Bershawi Medical Corp (NPI 1386813103, Riverside, CA); First Choice Physician Partners (NPI 1083966691, Anaheim, CA); Inpatient Specialists Of California, PC (NPI 1952792475, San Bernardino, CA); Regents Of The University Of California (NPI 1679521850, Orange, CA); Uc Regents (NPI 1003864174, Orange, CA); and 2 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2005
## Record status
- **NPPES last updated:** July 22, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1881085207) · Data from the CMS NPPES public registry.