Natalya Ruben Grigoryan, MD

Primary specialty

Emergency Medicine PhysicianTaxonomy code 207P00000X

License

A174112 Issued in CA

Practice address

7300 Medical Center Dr
West Hills, CA 91307-1902

Phone

(818) 676-4000

NPI assigned

Apr 30, 2018

Sex

Female

Sole proprietor

Yes

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

Specialties & licenses 2

Addresses

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in CA, WV, IA, AR4 enrollments

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 4

Specialty

Emergency Medicine

Education

Other, 2016

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Emergency Services of Iowa LLCGroup PAC ID 1557600756, 10 clinicians

Mobile Medical Group Inc.Group PAC ID 8224397963, 12 clinicians

Southeastern Emergency Physicians LLCGroup PAC ID 2466364997, 776 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• With Love Home Health Home health agency, Encino, CA, CCN 757858
• Sunlight Homecare Inc. Home health agency, Sunland, CA, CCN 757153
• Valley View Home Health Care Home health agency, Van Nuys, CA, CCN 757919
• Selaphiel Home Health Care, Inc Home health agency, Glendale, CA, CCN 753136
• Cipher Home Health Home health agency, Burbank, CA, CCN 757218
• Ottumwa Regional Health Center Hospital, Ottumwa, IA, CCN 160089
• St Marys Regional Medical Center Hospital, Russellville, AR, CCN 040041

Merit-based Incentive Payment System (MIPS)

Final score

75 of 100Reported as individual

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.

• Mobile Medical Group Inc

  • Family Medicine Physician
  • Glendale, CA
  • NPI 1487169660

  CA, Single Specialty

  Medicare reassignment Care Compare group NPD
• Emergency Services of Iowa LLC

  • Emergency Medicine Physician
  • Ottumwa, IA
  • NPI 1477017663

  IA, Single Specialty

  Medicare reassignment Care Compare group NPD
• Southeastern Emergency Physicians LLC

  • Emergency Medicine Physician
  • Maysville, KY
  • NPI 1356379382

  AR, Single Specialty

  Medicare reassignment Care Compare group NPD
• California Mobile Medical Group Inc

  • Family Medicine Physician
  • Glendale, CA
  • NPI 1588439061

  CA, Single Specialty

  Medicare reassignment NPD
• Southern California Permanente Medical Group

  • Health Maintenance Organization
  • Baldwin Park, CA
  • NPI 1770515280

  CA, Single Specialty

  Medicare reassignment NPD
• Team Physicians of Northern California Medical Group Inc

  • Emergency Medicine Physician
  • Pleasanton, CA
  • NPI 1649692716

  CA, Single Specialty

  Medicare reassignment NPD
• Greenbrier Emergency Services, Inc.

  • Emergency Medicine Physician
  • Gassaway, WV
  • NPI 1568401461

  Single Specialty, WV

  Medicare reassignment NPD
• Health Care Alliance, Inc.

  • Emergency Medicine Physician
  • Beckley, WV
  • NPI 1730128760

  Single Specialty, WV

  Medicare reassignment NPD
• Team Physicians of Southern California Medical Group, Inc.

  • Emergency Medicine Physician
  • Oceanside, CA
  • NPI 1225499015

  CA

  Medicare reassignment
• Southern California Permanente Medical Group

  • Health Maintenance Organization
  • Northridge, CA
  • NPI 1013409036
  NPD
• Southern California Permanente Medical Group

  • Health Maintenance Organization
  • Santa Clarita, CA
  • NPI 1316409410
  NPD

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

• Cipher Home Health

  • Home Health Agency
  • Burbank, CA
  • NPI 1093327819
  Care Compare affiliation
• Selaphiel Home Health Care Inc

  • Home Health Agency
  • Glendale, CA
  • NPI 1891391488
  Care Compare affiliation
• Sunlight Homecare Inc

  • Home Health Agency
  • Sunland, CA
  • NPI 1366016339
  Care Compare affiliation
• Valley View Home Health Care

  • Home Health Agency
  • Van Nuys, CA
  • NPI 1568119519
  Care Compare affiliation
• With Love Home Health

  • Home Health Agency
  • Granada Hills, CA
  • NPI 1215698824
  Care Compare affiliation
• RCHP Ottumwa LLC

  • General Acute Care Hospital
  • Ottumwa, IA
  • NPI 1013233741

  Hospital

  Care Compare affiliation
• Russellville Holdings LLC

  • General Acute Care Hospital
  • Russellville, AR
  • NPI 1033160049

  Hospital

  Care Compare affiliation

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

{
    "created_epoch": "1525046400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1751414400000",
    "number": "1811485394",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "7300 MEDICAL CENTER DR",
            "city": "WEST HILLS",
            "state": "CA",
            "postal_code": "913071902",
            "telephone_number": "818-676-4000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "7300 MEDICAL CENTER DR",
            "city": "WEST HILLS",
            "state": "CA",
            "postal_code": "913071902",
            "telephone_number": "818-676-4000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GRIGORYAN",
        "first_name": "NATALYA",
        "middle_name": "RUBEN",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2018-04-30",
        "last_updated": "2025-07-02",
        "certification_date": "2025-07-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "IA",
            "license": "MD-54985",
            "primary": false
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Emergency Medicine",
            "state": "CA",
            "license": "A174112",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "SOAP",
            "endpointTypeDescription": "SOAP URL",
            "endpoint": "https://careepicwest.kp.org:14430/Interconnect-prodcalgateway/wcf/epic.community.hie/xcpdrespondinggatewaysync.svc/scalceq",
            "affiliation": "Y",
            "endpointDescription": "Carequality",
            "affiliationName": "Southern California Permanente Medical Group",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "C-CDA",
            "address_1": "5601 De Soto Ave",
            "city": "Woodland Hills",
            "state": "CA",
            "country_code": "US",
            "postal_code": "913676701",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Lynn J. Goodloe, MD
• Mayumi S Gordon, L.AC.
• Marshall Michael Graditor, M.D.
• Mark D Graham, LMFT
• Benita Grauman, LCSW
• Amy Gross, PH.D.
• Grossman Burn and Wound Alliance
• Grossman Medical Group Inc
• Grossman Plastic Surgery
• Grossman Surgi Center Inc.

• All providers in West Hills, CA
• Emergency Medicine Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 2, 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.