Sudhir Sunder Rajan, M.D.

Primary specialty

Critical Care Medicine (Internal Medicine) PhysicianTaxonomy code 207RC0200X

License

A85191 Issued in CA

Practice address

101 The City Dr S
BLDG 53, RT 81
Orange, CA 92868-3201

Phone

(714) 456-5150

NPI assigned

Apr 18, 2007

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 3

Addresses

Other names 1

• Dr. Sudhir Sunderrajan Former name

Electronic endpoints 1

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 MedicineAlso: Critical Care (Intensivists), Pulmonary Disease

Education

Other, 2001

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Permanente Medical Group IncGroup PAC ID 8921910225, 10,928 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Kaiser Foundation Hospital-Santa Clara Hospital, Santa Clara, CA, CCN 050071

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 and National Provider Directory roles.

• Permanente Medical Group Inc

  • Internal Medicine Physician
  • Santa Clara, CA
  • NPI 1073606299
  Medicare reassignment Care Compare group NPD
• Permanente Medical Group Inc

  • Internal Medicine Physician
  • Richmond, CA
  • NPI 1235226531
  NPD
• Permanente Medical Group, Inc

  • Clinical Medical Laboratory
  • San Jose, CA
  • NPI 1497971584
  NPD

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

• Kaiser Foundation Hospitals

  • General Acute Care Hospital
  • Santa Clara, CA
  • NPI 1326119967
  Care Compare affiliation

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

{
    "created_epoch": "1176854400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1396961249",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "50 BLOSSOM",
            "city": "IRVINE",
            "state": "CA",
            "postal_code": "926204815",
            "telephone_number": "510-866-4324"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "101 THE CITY DR S",
            "address_2": "BLDG 53, RT 81",
            "city": "ORANGE",
            "state": "CA",
            "postal_code": "928683201",
            "telephone_number": "714-456-5150"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "RAJAN",
        "first_name": "SUDHIR",
        "middle_name": "SUNDER",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2007-04-18",
        "last_updated": "2025-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "A85191",
            "primary": false
        },
        {
            "code": "207RC0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Critical Care Medicine",
            "state": "CA",
            "license": "A85191",
            "primary": true
        },
        {
            "code": "207RP1001X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Pulmonary Disease",
            "state": "CA",
            "license": "A85191",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "SOAP",
            "endpointTypeDescription": "SOAP URL",
            "endpoint": "https://careepicwest.kp.org:14430/Interconnect-prodcalgateway/wcf/epic.community.hie/xcpdrespondinggatewaysync.svc/ncalceq",
            "affiliation": "Y",
            "endpointDescription": "Carequality",
            "affiliationName": "The Permanente Medical Group",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "C-CDA",
            "address_1": "700 Lawrence Express Way",
            "city": "Santa Clara",
            "state": "CA",
            "country_code": "US",
            "postal_code": "95051",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": [
        {
            "first_name": "SUDHIR",
            "last_name": "SUNDERRAJAN",
            "prefix": "DR.",
            "credential": "M.D.",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

• Azadeh Rahmatian, DDS
• Ritu Rai
• Kaitlyn McKenzie Jenise Rainey
• Megan Rajagopal
• Ranjit Rajan
• Rajesh Khanijou M.D. Inc.
• Ayan Rajgarhia, MD
• Ravi Rajmohan, MD
• Deepak Kumar Rajpoot, MD
• Paulina Rak, AU.D CCC-A

• Critical Care Medicine (Internal Medicine) Physician in Orange, CA
• Providers in Orange, CA by specialty
• Critical Care Medicine (Internal Medicine) Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 2025; 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.