DR. MARGARET PEI-JU WANG NATARAJAN M.D.
NPI 1376717942
Obstetrics & Gynecology in San Fernando, CA
About Dr. Margaret Pei-ju Wang Natarajan M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARGARET PEI-JU WANG NATARAJAN M.D. (NPI 1376717942) is an individual obstetrics & gynecology provider in San Fernando, California, licensed in California (A66424) and active in the NPI registry since April 2008. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Margaret Pei-ju Wang Natarajan M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Margaret Natarajan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
San Fernando, CA 91340
- Reassigned Medicare billing, California enrollment
- 218 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 91340 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.
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 Margaret Natarajan's NPI number?
The NPI number for Margaret Natarajan is 1376717942. It was assigned to this individual provider in the NPPES registry on April 15, 2008. The provider is also known as Dr. Margaret Pei-Ju Wang.
Where is Margaret Natarajan located?
Margaret Natarajan practices at 1600 San Fernando Rd, San Fernando, CA 91340. The listed phone number is (818) 365-8086.
What is Margaret Natarajan's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Margaret Natarajan enrolled in Medicare?
Yes. Margaret Natarajan is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Margaret Natarajan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Margaret Natarajan reassigns Medicare benefits to Northeast Valley Health Corporation (San Fernando, 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 Margaret Natarajan'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 Margaret Natarajan was last updated on April 15, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.