Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

UDAY CHAUHAN MD
NPI 1285213603
Internal Medicine - Infectious Disease in Whittier, CA

Q: What is Uday Chauhan's NPI number?

The NPI number for Uday Chauhan is 1285213603. It was assigned to this individual provider in the NPPES registry on April 4, 2021.

Q: What is Uday Chauhan's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.

Q: When was this NPI record last updated?

The NPPES record for Uday Chauhan was last updated on July 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 32 days 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.

Active since April 04, 2021PECOS Enrolled

9080 COLIMA RD, WHITTIER, CA 90605(562) 980-6969(559) 272-0317 Get Directions Write a Review

NPPES record last updated: July 6, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 6, 2026, May 13, 2025, Apr 4, 2021 (3 updates tracked since 2021).

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About Uday Chauhan Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

UDAY CHAUHAN MD (NPI 1285213603) is an individual infectious disease provider in Whittier, California, licensed in California (A191823) and active in the NPI registry since April 2021. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1285213603

Entity TypeIndividualMale

Primary Taxonomy207RI0200X

Provider Legal NameUDAY CHAUHANCredential: MD

Location Address9080 COLIMA RDWhittier, CA 90605-1600

Mailing Address18085 Lemongrass AveYorba Linda, CA 92886-1937

Phone(562) 980-6969

Fax(559) 272-0317

Sole ProprietorYes

Enumeration DateApril 4, 2021

Last NPPES UpdateJuly 6, 20263 updates tracked since enumeration

NPPES CertifiedJuly 6, 2026

✔ NPI 1285213603 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Infectious DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RI0200X

License✔ Licensed in CA · A191823

Definition

An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.

Also ListedInternal MedicineTaxonomy 207R00000X · License A191823 (CA)

9080 COLIMA RD, Whittier, CA 90605

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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)

Uday Chauhan Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 90605 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 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

AHMC WHITTIER HOSPITAL MEDICAL

General Acute Care Hospital