JANET MA (MSN, FNP)
NPI 1144868050
Nurse Practitioner - Family in Tustin, CA
About Janet Ma (msn, Fnp) NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JANET MA (MSN, FNP) (NPI 1144868050) is an individual family provider in Tustin, California, licensed in California (95013164) and active in the NPI registry since December 2019. She is enrolled in Medicare PECOS.
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 (PECOS)
Janet Ma (msn, Fnp) is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Janet Ma reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Tustin, CA 92780
- Reassigned Medicare billing, California enrollment
- 3 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 92780 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 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
TUSTIN, CA 92780
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 Janet Ma's NPI number?
The NPI number for Janet Ma is 1144868050. It was assigned to this individual provider in the NPPES registry on December 11, 2019.
Where is Janet Ma located?
Janet Ma practices at 1422 Edinger Ave Ste 130, Tustin, CA 92780. The listed phone number is (714) 628-9342.
What is Janet Ma's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Janet Ma enrolled in Medicare?
Yes. Janet Ma is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Janet Ma's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Janet Ma reassigns Medicare benefits to Pacific Rheumatology Medical Center, Inc. (Tustin, 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 Janet Ma'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 Janet Ma was last updated on May 5, 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.
# Janet Ma, (MSN, FNP) · NPI 1144868050
Family physician in Tustin, California. Individual provider, active in the CMS NPPES registry since December 11, 2019.
## Identity
- **NPI:** 1144868050 (Entity type: Individual)
- **Enumerated:** December 11, 2019
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 95013164 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1422 EDINGER AVE STE 130, Tustin, CA 92780-6298
- **Phone:** (714) 628-9342
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Pacific Rheumatology Medical Center, Inc. (NPI 1205120375, Tustin, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** May 5, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1144868050) · Data from the CMS NPPES public registry.