AJA BASU FNP
NPI 1598472409
Nurse Practitioner - Family in San Jose, CA
About Aja Basu Fnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
AJA BASU FNP (NPI 1598472409) is an individual family provider in San Jose, California, licensed in California (95023099) and active in the NPI registry since October 2022. 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)
Aja Basu Fnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Aja Basu reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
San Jose, CA 95123
- Reassigned Medicare billing, California enrollment
- 146 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 95123 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 5
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 Aja Basu's NPI number?
The NPI number for Aja Basu is 1598472409. It was assigned to this individual provider in the NPPES registry on October 31, 2022. The provider is also known as Aja Senna Estares.
Where is Aja Basu located?
Aja Basu practices at 5440 Thornwood Dr Ste G, San Jose, CA 95123. The listed phone number is (408) 281-9777.
What is Aja Basu's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Aja Basu enrolled in Medicare?
Yes. Aja Basu is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Aja Basu's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Aja Basu reassigns Medicare benefits to Planned Parenthood Mar Monte, Inc (San Jose, 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 Aja Basu'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 Aja Basu was last updated on December 5, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Aja Basu, FNP · NPI 1598472409
Family physician in San Jose, California. Individual provider, active in the CMS NPPES registry since October 31, 2022.
## Identity
- **NPI:** 1598472409 (Entity type: Individual)
- **Enumerated:** October 31, 2022
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 95023099 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 5440 THORNWOOD DR STE G, San Jose, CA 95123-1217
- **Phone:** (408) 281-9777
## 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:** Planned Parenthood Mar Monte, Inc (NPI 1558314609, San Jose, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** December 5, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1598472409) · Data from the CMS NPPES public registry.