VASANTHA KOLAVENNU JOTWANI M.D.
NPI 1043448996
Internal Medicine - Nephrology in South San Francisco, CA
About Vasantha Kolavennu Jotwani M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
VASANTHA KOLAVENNU JOTWANI M.D. (NPI 1043448996) is an individual nephrology provider in South San Francisco, California, licensed in California (A110980) and active in the NPI registry since June 2009. She is enrolled in Medicare PECOS and is a graduate of Northwestern University Feinberg Medical School (2008).
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
Vasantha Kolavennu Jotwani 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
4Medicare enrollment records show Vasantha Jotwani reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 2,112 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 94116
- Reassigned Medicare billing, California enrollment
- 20,078 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.
Areas of Expertise CMS Part B claims 2
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94080 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.
SOUTH SAN FRANCISCO, CA 94080
SOUTH SAN FRANCISCO, CA 94080
SOUTH SAN FRANCISCO, CA 94080
SOUTH SAN FRANCISCO, CA 94080
SOUTH SAN FRANCISCO, CA 94080
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 Vasantha Jotwani's NPI number?
The NPI number for Vasantha Jotwani is 1043448996. It was assigned to this individual provider in the NPPES registry on June 30, 2009.
Where is Vasantha Jotwani located?
Vasantha Jotwani practices at 1200 El Camino Real, South San Francisco, CA 94080. The listed phone number is (650) 742-2000.
What is Vasantha Jotwani's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.
Is Vasantha Jotwani enrolled in Medicare?
Yes. Vasantha Jotwani 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 Vasantha Jotwani's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Vasantha Jotwani reassigns Medicare benefits to 4 organizations: Regents Of The University Of California (San Francisco, CA), University Of California San Francisco (San Francisco, CA), Ucsf Medical Group Business Services (San Francisco, CA) and Permanente Medical Group Inc (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 Vasantha Jotwani'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 Vasantha Jotwani was last updated on August 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Vasantha Kolavennu Jotwani, M.D. · NPI 1043448996
Nephrology physician in South San Francisco, California. Individual provider, active in the CMS NPPES registry since June 30, 2009.
## Identity
- **NPI:** 1043448996 (Entity type: Individual)
- **Enumerated:** June 30, 2009
- **Primary specialty:** Internal Medicine - Nephrology · taxonomy 207RN0300X
- **State license:** A110980 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1200 EL CAMINO REAL, South San Francisco, CA 94080-3299
- **Phone:** (650) 742-2000
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Regents Of The University Of California (NPI 1376613943, San Francisco, CA); University Of California San Francisco (NPI 1346329380, San Francisco, CA); Ucsf Medical Group Business Services (NPI 1477624104, San Francisco, CA); Permanente Medical Group Inc (NPI 1841373800, San Francisco, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Northwestern University Feinberg Medical School, class of 2008
## Record status
- **NPPES last updated:** August 12, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1043448996) · Data from the CMS NPPES public registry.