NPPES file of Aug 9, 2026

Tandis Mahani, MD

Rheumatology Physician · Whittier, CA

Tandis Mahani, MD is a rheumatology physician with a practice address in Whittier, California, and NPI 1245818178, issued on Mar 31, 2021. Check the license (California A189937, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1245818178
Name
Tandis Mahani
Credential
MD
Primary taxonomy
Rheumatology Physician 207RR0500X
License number
A189937 CA
Self-reported in NPPES; status is on the state search
Practice location
15725 Whittier Blvd Ste 400, Whittier, CA 90603
Phone
(562) 967-2788
Enumerated
Mar 31, 2021
Record last updated
Apr 15, 2026
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 15725 Whittier Blvd Ste 400

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Amber Brown, NURSE PRACTITIONERFamily Medicine Physician1326671942
  2. Rachel Dimacali, PA-CFamily Medicine Physician1881989846
  3. Tanya Kantak, DOFamily Medicine Physician1083318224
  4. Edward KeddaFamily Medicine Physician1639871965
  5. Cathleen Li, D.OFamily Medicine Physician1275995490
  6. Jessica Rivera, PA-CFamily Medicine Physician1255840013

Verify Tandis Mahani in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A189937
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

99% fewer Medicare Part D claims than the average rheumatology physician in 2024

13 Medicare Part D claims, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D.

  1. Tandis Mahani13
  2. Specialty average1,978

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $139.75

2 payments; by number, the most common kind was food and beverage; the largest payer was Aurinia Pharma U.S., Inc. The 4,486 providers of this specialty with any payment received $8,538.33 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Tandis Mahani$139.75
  2. Specialty average$8,538.33

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Tandis Mahani among 926 rheumatology physician records in California

Tandis Mahani, MD is one of 926 rheumatology physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 98% of them.

  • NPI issued2021 · 98% of these records are older, under 1% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileNo · 69% of these records are
  • Record last updated2026 · 62% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RR0500X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Rheumatology Physician providers in California

There are 926 rheumatology physician records in California.

The 8 rheumatology physician records with the nearest ZIP codes

  1. Gilbert Gelfand, M.D.Whittier, CA 906021942247580
  2. Branden Ireifej, MDWhittier, CA 906021811524853
  3. Seyedehsara Seyedali, MDWhittier, CA 906021336554328
  4. Tien I Su, M.D.Whittier, CA 906021750581930
  5. Jessica Wong, MDWhittier, CA 906021437736550
  6. Mimi Yang, PA-CWhittier, CA 906021659837250
  7. Kei-Lwun Yee, MDWhittier, CA 906021649859885
  8. Edward Harris, M.D.Whittier, CA 906011780730838

Common questions

What is Tandis Mahani, MD's NPI number?

Tandis Mahani, MD's National Provider Identifier (NPI) is 1245818178, issued on Mar 31, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Tandis Mahani, MD located?

The NPPES record lists a practice address at 15725 Whittier Blvd Ste 400, Whittier, CA, 90603. Phone: (562) 967-2788. Providers update this record themselves, so call before visiting.

How can I verify Tandis Mahani, MD's license?

NPPES lists California license number A189937, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Tandis Mahani, MD prescribe under Medicare Part D?

In 2024, Tandis Mahani, MD had 13 Medicare Part D claims; the average among rheumatology physician prescribers was 1,978. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.