NITIN TANDAN
NPI 1346777026
Internal Medicine - Cardiovascular Disease in Castro Valley, CA
About Nitin Tandan NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
NITIN TANDAN (NPI 1346777026) is an individual cardiovascular disease provider in Castro Valley, California, licensed in California (A196522) and active in the NPI registry since May 2017. He is enrolled in Medicare PECOS, maintains 3 additional practice locations, and is a graduate of Other (2017).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 3
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
Nitin Tandan 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 Nitin Tandan reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Orinda, CA 94563
- Reassigned Medicare billing, California enrollment
- 4,479 clinicians in this Medicare group
San Jose, CA 95128
- Reassigned Medicare billing, California enrollment
- 314 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 94546 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
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CASTRO VALLEY, CA 94546
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 Nitin Tandan's NPI number?
The NPI number for Nitin Tandan is 1346777026. It was assigned to this individual provider in the NPPES registry on May 12, 2017.
Where is Nitin Tandan located?
Nitin Tandan practices at 20130 Lake Chabot Rd Ste 307, Castro Valley, CA 94546. The listed phone number is (510) 204-8383.
What is Nitin Tandan's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.
Is Nitin Tandan enrolled in Medicare?
Yes. Nitin Tandan 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 Nitin Tandan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Nitin Tandan reassigns Medicare benefits to 2 organizations: Sutter Bay Medical Foundation (Orinda, CA) and El Camino Health Medical Network, LLC (San Jose, 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 Nitin Tandan'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 Nitin Tandan was last updated on January 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.
# Nitin Tandan · NPI 1346777026
Cardiovascular Disease physician in Castro Valley, California. Individual provider, active in the CMS NPPES registry since May 12, 2017.
## Identity
- **NPI:** 1346777026 (Entity type: Individual)
- **Enumerated:** May 12, 2017
- **Primary specialty:** Internal Medicine - Cardiovascular Disease · taxonomy 207RC0000X
- **State license:** A196522 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 20130 LAKE CHABOT RD STE 307, Castro Valley, CA 94546-5340
- **Phone:** (510) 204-8383
## 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): Sutter Bay Medical Foundation (NPI 1366898538, Orinda, CA); El Camino Health Medical Network, LLC (NPI 1164880761, San Jose, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2017
## Record status
- **NPPES last updated:** January 7, 2026
---
Source: [NPI Profile](https://npiprofile.com/npi/1346777026) · Data from the CMS NPPES public registry.