Lisa K. Koser, APRN-CNP

Primary specialty

Acute Care Nurse PractitionerTaxonomy code 363LA2100X

License

95026058 Issued in CA

Practice address

8635 W 3Rd St Ste 795W
Los Angeles, CA 90048-6129

Phone

(310) 423-8350

Fax

(310) 423-8351

NPI assigned

Dec 20, 2010

Sex

Female

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Other identifiers 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: No

Green means eligible to order or refer.

Enrollment records 1

Specialty

Nurse Practitioner

Education

Other, 2010

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Cedars-Sinai Medical CenterGroup PAC ID 0446169114, 788 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Cedars-Sinai Medical Center Hospital, Los Angeles, CA, CCN 050625

Merit-based Incentive Payment System (MIPS)

Final score

93.23 of 100Reported as group

Quality

77.83

Promoting interoperability

98

Improvement activities

40

Cost

71.17

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: lkosercnp79324@direct.ccf.org
• Direct secure messaging: lkoser449094@direct.cshs.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.

• Cedars-Sinai Medical Center

  • General Acute Care Hospital
  • Los Angeles, CA
  • NPI 1639172372
  Medicare reassignment Care Compare group NPD
• Cedars-Sinai Medical Care Foundation

  • Specialist
  • Los Angeles, CA
  • NPI 1316984388
  Medicare reassignment NPD
• Cedars-Sinai Medical Care Foundation

  • Anesthesiology Physician
  • Los Angeles, CA
  • NPI 1043826720
  NPD
• Cedars-Sinai Medical Center

  dba San Vicente Pharmacy

  • Pharmacy
  • Los Angeles, CA
  • NPI 1376514810
  NPD
• Euclid Hospital Cleveland Clinic Health System

  dba cleveland clinic foundation

  • General Acute Care Hospital
  • Euclid, OH
  • NPI 1457403016
  NPD

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

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

{
    "created_epoch": "1292803200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1755561600000",
    "number": "1629371356",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4140 W 190TH ST",
            "city": "TORRANCE",
            "state": "CA",
            "postal_code": "905045513"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "8635 W 3RD ST STE 795W",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900486129",
            "telephone_number": "310-423-8350",
            "fax_number": "310-423-8351"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "8700 Beverly Blvd Ste 8215",
            "address_purpose": "LOCATION",
            "city": "West Hollywood",
            "state": "CA",
            "postal_code": "900481804",
            "country_code": "US",
            "telephone_number": "310-423-8350",
            "fax_number": "310-423-8351",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "4650 Lincoln Blvd",
            "address_purpose": "LOCATION",
            "city": "Marina Del Rey",
            "state": "CA",
            "postal_code": "902926306",
            "country_code": "US",
            "telephone_number": "310-823-8911",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "KOSER",
        "first_name": "LISA",
        "middle_name": "K.",
        "credential": "APRN-CNP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2010-12-20",
        "last_updated": "2025-08-19",
        "certification_date": "2025-08-19",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LA2100X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Acute Care",
            "state": "OH",
            "license": "APRN.CNP.12087",
            "primary": false
        },
        {
            "code": "363LA2100X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Acute Care",
            "state": "CA",
            "license": "95026058",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "3114632",
            "state": "OH"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Paulina Kosciolek
• Anne E. Kosco, MD
• Sari Kosdon, PSY.D
• Istem Kose, MD
• Karen Heather Koser, MD
• Tally Kosh, PHARM.D.
• Astrina Koshkaryan
• Natalie Torkan Koshki, PSY.D.
• Julie Ann Koshner-Levey, LMFT
• Shiney Mariam Koshy, M.D.

• Acute Care Nurse Practitioner in Los Angeles, CA
• Providers in Los Angeles, CA by specialty
• Acute Care Nurse Practitioner in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 19, 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.