DR. SUMI SINHA M.D.
NPI 1922531987
Radiology - Radiation Oncology in Dublin, CA
About Dr. Sumi Sinha M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. SUMI SINHA M.D. (NPI 1922531987) is an individual radiation oncology provider in Dublin, California, licensed in California (A160022) and active in the NPI registry since April 2017. She is enrolled in Medicare PECOS and is a graduate of Harvard Medical School (2017).
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 and accepts Medicare assignment
Dr. Sumi Sinha 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
3Medicare enrollment records show Sumi Sinha reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Redwood City, CA 94063
- Reassigned Medicare billing, California enrollment
- 20,078 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
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 94568 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
DUBLIN, CA 94568
DUBLIN, CA 94568
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 Sumi Sinha's NPI number?
The NPI number for Sumi Sinha is 1922531987. It was assigned to this individual provider in the NPPES registry on April 6, 2017.
Where is Sumi Sinha located?
Sumi Sinha practices at 3100 Dublin Blvd, Dublin, CA 94568. The listed phone number is (925) 556-5800.
What is Sumi Sinha's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.
Is Sumi Sinha enrolled in Medicare?
Yes. Sumi Sinha 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 Sumi Sinha's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sumi Sinha reassigns Medicare benefits to 3 organizations: Permanente Medical Group Inc (Redwood City, CA), University Of California San Francisco (San Francisco, CA) and Ucsf Medical Group Business Services (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 Sumi Sinha'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 Sumi Sinha was last updated on February 19, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Dr. Sumi Sinha, M.D. · NPI 1922531987
Radiation Oncology physician in Dublin, California. Individual provider, active in the CMS NPPES registry since April 6, 2017.
## Identity
- **NPI:** 1922531987 (Entity type: Individual)
- **Enumerated:** April 6, 2017
- **Primary specialty:** Radiology - Radiation Oncology · taxonomy 2085R0001X
- **State license:** A160022 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 3100 DUBLIN BLVD, Dublin, CA 94568-7213
- **Phone:** (925) 556-5800
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Permanente Medical Group Inc (NPI 1639252604, Redwood City, CA); University Of California San Francisco (NPI 1346329380, San Francisco, CA); Ucsf Medical Group Business Services (NPI 1477624104, San Francisco, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Harvard Medical School, class of 2017
## Record status
- **NPPES last updated:** February 19, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1922531987) · Data from the CMS NPPES public registry.