Uday Chauhan, MD

Primary specialty

Infectious Disease PhysicianTaxonomy code 207RI0200X

License

A191823 Issued in CA

Practice address

9080 Colima Rd
Whittier, CA 90605-1600

Phone

(562) 980-6969

Fax

(559) 272-0317

NPI assigned

Apr 4, 2021

Last updated

Jul 6, 2026By the provider in NPPES

Sex

Male

Sole proprietor

Yes

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Enrolled in CA

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Interoperability endpoints

• Direct secure messaging: uday.chauhan.1@17661.direct.athenahealth.com

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Uday Chauhan MD PC

  • Infectious Disease Physician
  • Whittier, CA
  • NPI 1144072653
  Authorized official Same address or phone

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1617494400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783296000000",
    "number": "1285213603",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "18085 LEMONGRASS AVE",
            "city": "YORBA LINDA",
            "state": "CA",
            "postal_code": "928861937"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "9080 COLIMA RD",
            "city": "WHITTIER",
            "state": "CA",
            "postal_code": "906051600",
            "telephone_number": "562-980-6969",
            "fax_number": "559-272-0317"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CHAUHAN",
        "first_name": "UDAY",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2021-04-04",
        "last_updated": "2026-07-06",
        "certification_date": "2026-07-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "A191823",
            "primary": false
        },
        {
            "code": "207RI0200X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Internal Medicine, Infectious Disease",
            "state": "CA",
            "license": "A191823",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Elisha Denise Charest, NP
• Charles M. Garner, M.D.
• Chrystal Bonnie Chau
• Deming Chau, MD
• Jonathan Chau, DO
• Ashley Pamela Chavez
• Bailey Erin Chavez
• Becky Chavez
• Celeste Chavez
• Jazmine Chavez

• Infectious Disease Physician in Whittier, CA
• Providers in Whittier, CA by specialty
• Infectious Disease Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 6, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.