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DR. TANDIS MAHANI MD
NPI 1245818178
Internal Medicine - Rheumatology in Whittier, CA

Active since March 31, 2021PECOS Enrolled
15725 WHITTIER BLVD STE 400, WHITTIER, CA 90603(562) 967-2788 Get Directions Write a Review

NPPES record last updated: April 15, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Apr 15, 2026, Feb 10, 2022, May 4, 2021 and 1 more (4 updates tracked since 2021).

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

NPI1245818178
Entity TypeIndividualFemale
Primary Taxonomy207RR0500X
Provider Legal NameDR. TANDIS MAHANICredential: MD
Location Address15725 WHITTIER BLVD STE 400Whittier, CA 90603-2338
Mailing Address2101 N Waterman AveSan Bernardino, CA 92404-4836 · (909) 475-2612
Phone(562) 967-2788
Sole ProprietorNo
Medical School CMSOtherGraduated 2014
Enumeration DateMarch 31, 2021
Last NPPES UpdateApril 15, 20264 updates tracked since enumeration
NPPES CertifiedApril 15, 2026
✔ NPI 1245818178 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · RheumatologyAllopathic & Osteopathic Physicians
Taxonomy Code207RR0500X
License✔ Licensed in CA · A189937
Definition
An internist who treats diseases of joints, muscle, bones and tendons. This specialist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and collagen diseases.
15725 WHITTIER BLVD STE 400, Whittier, CA 90603
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Tandis Mahani Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID1153890645
PECOS Enrollment IDI20260513004338
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

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.

New Patient
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

TANYA KANTAK DO
Family Medicine
15725 WHITTIER BLVD STE 400
WHITTIER, CA 90603
Los Angeles County (562) 947-1669
JESSICA M RIVERA PA-C
Family Medicine
15725 WHITTIER BLVD STE 400
WHITTIER, CA 90603
Los Angeles County (562) 947-1669
DR. CATHLEEN YI LI D.O
Family Medicine
15725 WHITTIER BLVD STE 400
WHITTIER, CA 90603
Los Angeles County (562) 947-1669
MRS. AMBER BROWN NURSE PRACTITIONER
Family Medicine
15725 WHITTIER BLVD STE 400
WHITTIER, CA 90603
Los Angeles County (562) 789-5401
MAI-ANH VUONG-DAC
Family Medicine
15725 WHITTIER BLVD STE 400
WHITTIER, CA 90603
Los Angeles County (562) 947-1669
WILLIAM WANG D.O.
Internal Medicine
15725 WHITTIER BLVD STE 400
WHITTIER, CA 90603
Los Angeles County (562) 947-1669
EDWARD LEE KEDDA
Family Medicine
15725 WHITTIER BLVD STE 400
WHITTIER, CA 90603
Los Angeles County (562) 947-1669
RACHEL A DIMACALI PA-C
Family Medicine
15725 WHITTIER BLVD STE 400
WHITTIER, CA 90603
Los Angeles County (562) 947-1669

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.

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 4 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.