Individual provider Active NPI

Melissa Krainson, PA-C

  • Physician Assistant
  • Los Angeles, CA
National Provider Identifier
1124365051
Registry record updated Jan 9, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Physician AssistantTaxonomy code 363A00000X
License
PA60853 Issued in CA
Practice address
1520 San Pablo St Ste 1000
Los Angeles, CA 90033-5312
Phone
(323) 442-5100
NPI assigned
Jan 11, 2013
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jan 9, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Physician Assistant 363A00000X PA60853 CA Primary
Physician Assistant 363A00000X 085.004569 IL

Addresses

Primary practice location

1520 San Pablo St Ste 1000
Los Angeles, CA 90033-5312

Mailing address

PO Box 31309
Los Angeles, CA 90031-0309
Phone (323) 442-5100

Other practice location 1

1500 Duarte Rd
Duarte, CA 91010-3012
Phone (800) 826-4673

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address direct@cityofhope.direct-ci.com Direct CITY OF HOPE MEDICAL FOUNDATION

Medicare participation

Medicare enrollment files
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

Enrollment IDStateProvider typePAC IDDetails
I20230426001340 CA Practitioner - Physician Assistant 2163660598 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Physician Assistant
Education
Other, 2012
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
City of Hope Medical FoundationGroup PAC ID 3779751656, 964 clinicians
Usc Care Medical Group IncGroup PAC ID 0446157747, 1,378 clinicians

Practice addresses (Care Compare)

1500 Duarte Rd
Duarte, CA 91010-3012
Phone (626) 256-4673

1500 San Pablo St
Los Angeles, CA 90033-5313
Phone (323) 442-8444

1516 San Pablo St
Los Angeles, CA 90033-5313
Phone (800) 872-2273

1520 San Pablo St
Los Angeles, CA 90033-5310
Phone (800) 872-2273

1520 San Pablo St 1St Floor N
Los Angeles, CA 90033-5310
Phone (800) 872-2273

Hospital & facility affiliations

  • Americare Home Health, Inc Home health agency, Van Nuys, CA, CCN 059594
  • Keck Hospital of Usc Hospital, Los Angeles, CA, CCN 050696

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Physician Assistant

State licenses

LicenseStateTypeSpecialty
60853CAMDPharmacist
PA60853CAMDPhysician Assistant
085.004569ILMDPhysician Assistant

Practice roles

OrganizationSpecialtyStatusNew patients
Usc Care Medical Group, Inc CurrentSince May 1, 2023 Accepting new patients
Usc Care Medical Group, Inc CurrentSince May 1, 2023 Accepting new patients
City of Hope Medical Foundation CurrentSince Nov 1, 2025 Accepting new patients
Usacs Integrated Acute Care Services of Illinois, LLC Past Accepting new patients
Usc University Hospital, Inc. Past Accepting new patients

Locations

420 34th St
Bakersfield, CA 93301
Phone (661) 324-4647

1500 Duarte Rd
Duarte, CA 91010
Phone (626) 359-8111

1520 San Pablo St
Los Angeles, CA 90033
Phone (323) 442-5849

1520 San Pablo St
Ste 1000
Los Angeles, CA 90033
Phone (626) 457-5839

1520 San Pablo St
Lowr
Los Angeles, CA 90033
Phone (323) 442-7450

1601 Avocado Ave
Newport Beach, CA 92660
Phone (949) 763-2204

209 Fair Oaks Ave
South Pasadena, CA 91030
Phone (626) 359-8111

Interoperability endpoints

  • Direct secure messaging: direct@cityofhope.direct-ci.com

Organizations & group practices 5

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.

Hospital & facility affiliations 2

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

NPI Registry JSON

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

{
    "created_epoch": "1357862400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1767916800000",
    "number": "1124365051",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 31309",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900310309",
            "telephone_number": "323-442-5100"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1520 SAN PABLO ST STE 1000",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900335312",
            "telephone_number": "323-442-5100"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1500 Duarte Rd",
            "address_purpose": "LOCATION",
            "city": "Duarte",
            "state": "CA",
            "postal_code": "910103012",
            "country_code": "US",
            "telephone_number": "800-826-4673",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "KRAINSON",
        "first_name": "MELISSA",
        "credential": "PA-C",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2013-01-11",
        "last_updated": "2026-01-09",
        "certification_date": "2026-01-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "CA",
            "license": "PA60853",
            "primary": true
        },
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "IL",
            "license": "085.004569",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "direct@cityofhope.direct-ci.com",
            "affiliation": "Y",
            "affiliationName": "CITY OF HOPE MEDICAL FOUNDATION",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "1500 Duarte Rd",
            "city": "Duarte",
            "state": "CA",
            "country_code": "US",
            "postal_code": "910103012",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Los Angeles, CA

Sources for this page

Verify at the official NPI Registry.