MARJAN KOOSHA JOHNSON
NPI 1154068641
Family Medicine in Temecula, CA
About Marjan Koosha Johnson NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARJAN KOOSHA JOHNSON (NPI 1154068641) is an individual family medicine provider in Temecula, California, licensed in California (21797) and active in the NPI registry since May 2022. She is enrolled in Medicare PECOS and is a graduate of Other (2025).
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
Marjan Koosha Johnson 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 Marjan Johnson reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
La Jolla, CA 92037
- Reassigned Medicare billing, California enrollment
- 341 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 92592 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.
TEMECULA, CA 92592
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 Marjan Johnson's NPI number?
The NPI number for Marjan Johnson is 1154068641. It was assigned to this individual provider in the NPPES registry on May 16, 2022.
Where is Marjan Johnson located?
Marjan Johnson practices at 31700 Temecula Pkwy Ste 1, Temecula, CA 92592. The listed phone number is (951) 331-2527.
What is Marjan Johnson's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Marjan Johnson enrolled in Medicare?
Yes. Marjan Johnson 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 Marjan Johnson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Marjan Johnson reassigns Medicare benefits to Monica Perlman MD Inc. (La Jolla, 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 Marjan Johnson'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 Marjan Johnson was last updated on May 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Marjan Koosha Johnson · NPI 1154068641
Family Medicine physician in Temecula, California. Individual provider, active in the CMS NPPES registry since May 16, 2022.
## Identity
- **NPI:** 1154068641 (Entity type: Individual)
- **Enumerated:** May 16, 2022
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** 21797 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 31700 TEMECULA PKWY STE 1, Temecula, CA 92592-5896
- **Phone:** (951) 331-2527
## 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:** Monica Perlman MD Inc. (NPI 1134309305, La Jolla, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2025
## Record status
- **NPPES last updated:** May 29, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1154068641) · Data from the CMS NPPES public registry.