GAUTAM GANGULY M.D.
NPI 1215912522
Psychiatry & Neurology - Neurology in Whittier, CA
About Gautam Ganguly M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GAUTAM GANGULY M.D. (NPI 1215912522) is an individual neurology provider in Whittier, California, licensed in California (A69058) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS and is a graduate of Other (1993).
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
Gautam Ganguly 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
2Medicare enrollment records show Gautam Ganguly reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Whittier, CA 90606
- Reassigned Medicare billing, California enrollment
- 840 clinicians in this Medicare group
Whittier, CA 90606
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: Brian A Beck MD A Medical Corp Etal Ptr Leonard A Gale MD Medical Corp
- 8 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 14
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 90606 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.
Referred Medical Equipment & Supplies CMS DME claims 4
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
WHITTIER, CA 90606
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 Gautam Ganguly's NPI number?
The NPI number for Gautam Ganguly is 1215912522. It was assigned to this individual provider in the NPPES registry on December 8, 2005.
Where is Gautam Ganguly located?
Gautam Ganguly practices at 12291 Washington Blvd 303, Whittier, CA 90606. The listed phone number is (562) 698-6296.
What is Gautam Ganguly's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.
Is Gautam Ganguly enrolled in Medicare?
Yes. Gautam Ganguly 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 Gautam Ganguly's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gautam Ganguly reassigns Medicare benefits to 2 organizations: Pih Health Physicians (Whittier, CA) and Richard A. Rison, M.D., Inc. (Whittier, 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 Gautam Ganguly'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 Gautam Ganguly was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.