DR. TANDIS MAHANI MD
NPI 1245818178
Internal Medicine - Rheumatology in Whittier, CA
About Dr. Tandis Mahani Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. TANDIS MAHANI MD (NPI 1245818178) is an individual rheumatology provider in Whittier, California, licensed in California (A189937) and active in the NPI registry since March 2021. She is enrolled in Medicare PECOS and is a graduate of Other (2014).
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 (PECOS)
Dr. Tandis Mahani Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Tandis Mahani reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Whittier, CA 90603
- Reassigned Medicare billing, California enrollment
- 840 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 90603 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 8
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Tandis Mahani's NPI number?
The NPI number for Tandis Mahani is 1245818178. It was assigned to this individual provider in the NPPES registry on March 31, 2021.
Where is Tandis Mahani located?
Tandis Mahani practices at 15725 Whittier Blvd Ste 400, Whittier, CA 90603. The listed phone number is (562) 967-2788.
What is Tandis Mahani's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.
Is Tandis Mahani enrolled in Medicare?
Yes. Tandis Mahani is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Tandis Mahani's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Tandis Mahani reassigns Medicare benefits to Pih Health Physicians (Whittier, CA). The 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 Tandis Mahani'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 Tandis Mahani was last updated on April 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Dr. Tandis Mahani, MD · NPI 1245818178
Rheumatology physician in Whittier, California. Individual provider, active in the CMS NPPES registry since March 31, 2021.
## Identity
- **NPI:** 1245818178 (Entity type: Individual)
- **Enumerated:** March 31, 2021
- **Primary specialty:** Internal Medicine - Rheumatology · taxonomy 207RR0500X
- **State license:** A189937 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 15725 WHITTIER BLVD STE 400, Whittier, CA 90603-2338
- **Phone:** (562) 967-2788
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Pih Health Physicians (NPI 1588829006, Whittier, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2014
## Record status
- **NPPES last updated:** April 15, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1245818178) · Data from the CMS NPPES public registry.