Nitin Chilakamarri, M.D.

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

A155703 Issued in CA

Practice address

1880 N Orange Grove Ave
Pomona, CA 91767-3006

Phone

(909) 398-1550

Fax

(909) 398-1488

NPI assigned

May 15, 2015

Last updated

Jan 23, 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 1

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

Specialty

Internal Medicine

Education

Other, 2015

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Hospitalist Corporation of Inland EmpireGroup PAC ID 9537319231, 26 clinicians

United Hospitalist IncGroup PAC ID 5092814038, 17 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Pomona Valley Hospital Medical Center Hospital, Pomona, CA, CCN 050231
• San Antonio Regional Hospital Hospital, Upland, CA, CCN 050099

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

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.

• United Hospitalist Inc.

  • Internal Medicine Physician
  • Rancho Cucamonga, CA
  • NPI 1700908480
  Medicare reassignment Care Compare group NPD
• Hospitalist Corporation of Inland Empire

  • Hospitalist Physician
  • Pomona, CA
  • NPI 1124317615
  Medicare reassignment Care Compare group
• Hospitalist Group of Montebello Inc

  • Hospitalist Physician
  • Corona, CA
  • NPI 1578959318
  Medicare reassignment NPD
• Haven Medical Clinic

  • Internal Medicine Physician
  • Rancho Cucamonga, CA
  • NPI 1508715566
  NPD Authorized official

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Pomona Valley Hospital Medical Center

  • General Acute Care Hospital
  • Pomona, CA
  • NPI 1407813660
  Care Compare affiliation
• San Antonio Regional Hospital

  • General Acute Care Hospital
  • Upland, CA
  • NPI 1780681189
  Care Compare affiliation

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

{
    "created_epoch": "1431648000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1769126400000",
    "number": "1679951164",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1880 N ORANGE GROVE AVE",
            "city": "POMONA",
            "state": "CA",
            "postal_code": "917673006",
            "telephone_number": "909-398-1550",
            "fax_number": "909-398-1488"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1880 N ORANGE GROVE AVE",
            "city": "POMONA",
            "state": "CA",
            "postal_code": "917673006",
            "telephone_number": "909-398-1550",
            "fax_number": "909-398-1488"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "234 E 149th St",
            "address_purpose": "LOCATION",
            "city": "Bronx",
            "state": "NY",
            "postal_code": "104515504",
            "country_code": "US",
            "telephone_number": "718-579-5874",
            "fax_number": "718-579-4836",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "CHILAKAMARRI",
        "first_name": "NITIN",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2015-05-15",
        "last_updated": "2026-01-23",
        "certification_date": "2026-01-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "A155703",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Nicholas Chew
• Lindsey Chheng
• Frank Chiang, MD
• Victoria Susan Chidboy, RN
• Alexander J Chien, MD
• Mindy Ann Chilman, D.O.
• Abinav Teja Chilukuri
• Ching-Chih David Huang M.D.Inc a
• Chino Valley Rehabilitation Center LLC (Chino Valley Healthcare Center)
• Steven Chinos, RD

• Internal Medicine Physician in Pomona, CA
• Providers in Pomona, CA by specialty
• Internal Medicine Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 23, 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.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.