MAYA NAMBISAN M.D.
NPI 1396041042
Obstetrics & Gynecology in Pleasanton, CA
About Maya Nambisan M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MAYA NAMBISAN M.D. (NPI 1396041042) is an individual obstetrics & gynecology provider in Pleasanton, California, licensed in California (A111198) and active in the NPI registry since January 2011. She is enrolled in Medicare PECOS, maintains a secondary practice location in Manteca, and is a graduate of Illinois Medical College (2008).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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
Maya Nambisan M.d. 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
2Medicare enrollment records show Maya Nambisan reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Newark, CA 94560
- Reassigned Medicare billing, California enrollment
- 435 clinicians in this Medicare group
Greenville, SC 29607
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: Obhg California PC
- 711 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 94566 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 6
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 Maya Nambisan's NPI number?
The NPI number for Maya Nambisan is 1396041042. It was assigned to this individual provider in the NPPES registry on January 27, 2011.
Where is Maya Nambisan located?
Maya Nambisan practices at 4725 1st St, Pleasanton, CA 94566. The listed phone number is (925) 734-3333.
What is Maya Nambisan's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Maya Nambisan enrolled in Medicare?
Yes. Maya Nambisan 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 Maya Nambisan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Maya Nambisan reassigns Medicare benefits to 2 organizations: University Healthcare Alliance (Newark, CA) and Obhg California, P.C. (Greenville, SC). 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 Maya Nambisan'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 Maya Nambisan was last updated on March 19, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.
# Maya Nambisan, M.D. · NPI 1396041042
Obstetrics & Gynecology physician in Pleasanton, California. Individual provider, active in the CMS NPPES registry since January 27, 2011.
## Identity
- **NPI:** 1396041042 (Entity type: Individual)
- **Enumerated:** January 27, 2011
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** A111198 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 4725 1ST ST, Pleasanton, CA 94566-7366
- **Phone:** (925) 734-3333
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): University Healthcare Alliance (NPI 1760531198, Newark, CA); Obhg California, P.C. (NPI 1215258892, Greenville, SC) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Illinois Medical College, class of 2008
## Record status
- **NPPES last updated:** March 19, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1396041042) · Data from the CMS NPPES public registry.