MADHAV VISSA
NPI 1174941991
Pediatrics - Pediatric Hematology-Oncology in Oakland, CA
About Madhav Vissa NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MADHAV VISSA (NPI 1174941991) is an individual pediatric hematology-oncology provider in Oakland, California, licensed in California (A154321) and active in the NPI registry since March 2014. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2014).
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Locations 2
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
Madhav Vissa 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
5Medicare enrollment records show Madhav Vissa reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Francisco, CA 94108
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: City & County Of San Francisco
- 1,573 clinicians in this Medicare group
San Francisco, CA 94110
- Reassigned Medicare billing, California enrollment
- Also billed through NPI 1326013442 (California)
- 637 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 5,645 clinicians in this Medicare group
San Francisco, CA 94122
- Reassigned Medicare billing, California enrollment
- 5,544 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 1,159 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.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
OAKLAND, CA 94609
OAKLAND, CA 94609
OAKLAND, CA 94609
OAKLAND, CA 94609
OAKLAND, CA 94609
OAKLAND, CA 94609
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 Madhav Vissa's NPI number?
The NPI number for Madhav Vissa is 1174941991. It was assigned to this individual provider in the NPPES registry on March 29, 2014.
Where is Madhav Vissa located?
Madhav Vissa practices at 747 52nd Street, Oakland, CA 94609. The listed phone number is (510) 428-3000.
What is Madhav Vissa's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Hematology-Oncology, with taxonomy code 2080P0207X.
Is Madhav Vissa enrolled in Medicare?
Yes. Madhav Vissa 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 Madhav Vissa's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Madhav Vissa reassigns Medicare benefits to 5 organizations: City And Couny Of San Francisco (San Francisco, CA), University Of California Sfgh Medical Group (San Francisco, CA), University Of California San Francisco (San Francisco, CA), Ucsf Medical Group Business Services (San Francisco, CA) and Ucsf Pediatrics Associates (San Francisco, CA). 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 Madhav Vissa'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 Madhav Vissa was last updated on August 6, 2023. 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.
# Madhav Vissa · NPI 1174941991
Pediatric Hematology-Oncology physician in Oakland, California. Individual provider, active in the CMS NPPES registry since March 29, 2014.
## Identity
- **NPI:** 1174941991 (Entity type: Individual)
- **Enumerated:** March 29, 2014
- **Primary specialty:** Pediatrics - Pediatric Hematology-Oncology · taxonomy 2080P0207X
- **State license:** A154321 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 747 52ND STREET, Oakland, CA 94609
- **Phone:** (510) 428-3000
## 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:** 5 organizations under Medicare reassignment (form CMS-855R): City And Couny Of San Francisco (NPI 1164613832, San Francisco, CA); University Of California Sfgh Medical Group (NPI 1356696215, San Francisco, CA); University Of California San Francisco (NPI 1346329380, San Francisco, CA); Ucsf Medical Group Business Services (NPI 1477624104, San Francisco, CA); Ucsf Pediatrics Associates (NPI 1376614016, San Francisco, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2014
## Record status
- **NPPES last updated:** August 6, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1174941991) · Data from the CMS NPPES public registry.