MOHAMMAD ZALZALEH DO
NPI 1235792276
Orthopaedic Surgery in Fountain Valley, CA
About Mohammad Zalzaleh Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MOHAMMAD ZALZALEH DO (NPI 1235792276) is an individual orthopaedic surgery provider in Fountain Valley, California, licensed in California (20A20355) and active in the NPI registry since April 2019. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2019).
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Locations 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 Zalzaleh Do 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 Mohammad Zalzaleh reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Laguna Woods, CA 92637
- Reassigned Medicare billing, California enrollment
- 57 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 92708 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 9
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
FOUNTAIN VALLEY, CA 92708
FOUNTAIN VALLEY, CA 92708
FOUNTAIN VALLEY, CA 92708
FOUNTAIN VALLEY, CA 92708
FOUNTAIN VALLEY, CA 92708
FOUNTAIN VALLEY, CA 92708
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 Zalzaleh's NPI number?
The NPI number for Mohammad Zalzaleh is 1235792276. It was assigned to this individual provider in the NPPES registry on April 16, 2019.
Where is Mohammad Zalzaleh located?
Mohammad Zalzaleh practices at 8700 Warner Ave Ste 140, Fountain Valley, CA 92708. The listed phone number is (714) 850-7300.
What is Mohammad Zalzaleh's specialty?
The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.
Is Mohammad Zalzaleh enrolled in Medicare?
Yes. Mohammad Zalzaleh 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 Mohammad Zalzaleh's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mohammad Zalzaleh reassigns Medicare benefits to Orthowest (Laguna Woods, 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 Mohammad Zalzaleh'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 Zalzaleh was last updated on May 15, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.
# Mohammad Zalzaleh, DO · NPI 1235792276
Orthopaedic Surgery physician in Fountain Valley, California. Individual provider, active in the CMS NPPES registry since April 16, 2019.
## Identity
- **NPI:** 1235792276 (Entity type: Individual)
- **Enumerated:** April 16, 2019
- **Primary specialty:** Orthopaedic Surgery · taxonomy 207X00000X
- **State license:** 20A20355 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 8700 WARNER AVE STE 140, Fountain Valley, CA 92708-3209
- **Phone:** (714) 850-7300
## 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:** Orthowest (NPI 1760007330, Laguna Woods, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2019
## Record status
- **NPPES last updated:** May 15, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1235792276) · Data from the CMS NPPES public registry.