Ravi Madhure Shankar, M.D.

Primary specialty

Hematology & Oncology PhysicianTaxonomy code 207RH0003X

License

A107718 Issued in CA

Practice address

18111 Brookhurst St Ste 6100
Fountain Valley, CA 92708-6728

Phone

(657) 241-9755

Fax

(714) 907-4407

NPI assigned

Sep 3, 2008

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

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

Hematology/Oncology

Education

Drexel University College of Medicine, 2007

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Usc Care Medical Group IncGroup PAC ID 0446157747, 1,378 clinicians

Memorialcare Medical FoundationGroup PAC ID 8729277314, 555 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Memorialcare Orange Coast Medical Center Hospital, Fountain Valley, CA, CCN 050678
• Usc Kenneth Norris Jr Cancer Hospital Hospital, Los Angeles, CA, CCN 050660
• Hoag Memorial Hospital Presbyterian Hospital, Newport Beach, CA, CCN 050224
• Memorialcare Saddleback Medical Center Hospital, Laguna Hills, CA, CCN 050603
• Cedars-Sinai Medical Center Hospital, Los Angeles, CA, CCN 050625

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: rshankar861157@direct.memorialcare.org

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.

• Memorialcare Medical Foundation

  • Clinic/Center
  • Fountain Valley, CA
  • NPI 1205167350
  Medicare reassignment Care Compare group NPD
• Usc Care Medical Group, Inc

  • General Practice Physician
  • Los Angeles, CA
  • NPI 1902846306
  Medicare reassignment Care Compare group NPD
• Usc Care Medical Group, Inc

  • Durable Medical Equipment & Medical Supplies
  • Pasadena, CA
  • NPI 1427937390
  NPD
• East Valley Hematology Oncology Medical Group

  • Hematology & Oncology Physician
  • Burbank, CA
  • NPI 1477721868
  NPD (past)
• Keck Medical Center of Usc

  • General Acute Care Hospital
  • Los Angeles, CA
  • NPI 1417554528
  NPD (past)
• Motion Picture and Television Fund Medical Group, Inc

  • Internal Medicine Physician
  • Glendale, CA
  • NPI 1821324542
  NPD (past)
• Providence Health System - Southern California

  • Psychiatric Hospital Unit
  • San Pedro, CA
  • NPI 1154349371
  NPD (past)
• Providence Health System - Southern California

  • General Acute Care Hospital
  • Burbank, CA
  • NPI 1336173269
  NPD (past)
• Regents of the University of California

  • Internal Medicine Physician
  • Glendale, CA
  • NPI 1891110888
  NPD (past)
• Usc University Hospital, Inc.

  • Psychiatric Hospital Unit
  • Los Angeles, CA
  • NPI 1790718500
  NPD (past)
• Usc Verdugo Hills Hospital, LLC

  • General Acute Care Hospital
  • Glendale, CA
  • NPI 1265875207
  NPD (past)

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

• Cedars-Sinai Medical Center

  • General Acute Care Hospital
  • Los Angeles, CA
  • NPI 1639172372
  Care Compare affiliation
• Cedars-Sinai Medical Center

  • General Acute Care Hospital
  • West Hollywood, CA
  • NPI 1891940326
  Care Compare affiliation
• Hoag Memorial Hospital Presbyterian

  • General Acute Care Hospital
  • Newport Beach, CA
  • NPI 1518951300
  Care Compare affiliation
• Keck Medical Center of Usc

  • General Acute Care Hospital
  • Los Angeles, CA
  • NPI 1417554528
  Care Compare affiliation
• Orange Coast Memorial Medical Center

  • General Acute Care Hospital
  • Fountain Valley, CA
  • NPI 1497702575
  Care Compare affiliation
• Saddleback Memorial Medical Center

  • General Acute Care Hospital
  • Laguna Hills, CA
  • NPI 1275576381
  Care Compare affiliation

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

{
    "created_epoch": "1220400000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1761264000000",
    "number": "1235387259",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "18111 BROOKHURST ST STE 6100",
            "city": "FOUNTAIN VALLEY",
            "state": "CA",
            "postal_code": "927086728",
            "telephone_number": "657-241-9755",
            "fax_number": "714-907-4407"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "18111 BROOKHURST ST STE 6100",
            "city": "FOUNTAIN VALLEY",
            "state": "CA",
            "postal_code": "927086728",
            "telephone_number": "657-241-9755",
            "fax_number": "714-907-4407"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SHANKAR",
        "first_name": "RAVI",
        "middle_name": "MADHURE",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2008-09-03",
        "last_updated": "2025-10-24",
        "certification_date": "2025-10-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "CA",
            "license": "A107718",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://memorialcare.org/fhir/api/FHIR/R4/",
            "affiliation": "Y",
            "endpointDescription": "MemorialCare FHIR Endpoint",
            "affiliationName": "MemorialCare Medical Foundation",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "FHIR",
            "address_1": "17360 Brookhurst St",
            "city": "Fountain Valley",
            "state": "CA",
            "country_code": "US",
            "postal_code": "927083720",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Shahnaz Qureshi Shaikh, M.D., F.R.C.O.G.
• Mona Ziadeh Shaker, LCSW
• Michelle Shalom
• Shamila Leathers MD Inc
• Shane Rayos del Sol, M.D., Inc.
• Susan Shao, L.AC.
• Stephen Marcel Shapiro, M.D.
• Sharaf MD
• Abdulkareem Sharaf, MD
• Sharon Gerstenzang

• Hematology & Oncology Physician in Fountain Valley, CA
• Providers in Fountain Valley, CA by specialty
• Hematology & Oncology Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 24, 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.