Individual provider Active NPI

Courtney Johnson, MD, PHD

  • Dermatology Physician
  • Duarte, CA
National Provider Identifier
1326579160
Registry record updated Feb 6, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Dermatology PhysicianTaxonomy code 207N00000X
License
C206702 Issued in CA
Practice address
1500 Duarte Rd
Duarte, CA 91010-3012
Phone
(800) 826-4673
NPI assigned
Mar 23, 2017
Last updated
Feb 6, 2026By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Feb 6, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Dermatology Physician 207N00000X C206702 CA Primary

Addresses

Primary practice location

1500 Duarte Rd
Duarte, CA 91010-3012

Mailing address

PO Box 512185
Los Angeles, CA 90051-0185

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 MD, CA2 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 2

Enrollment IDStateProvider typePAC IDDetails
I20211022001537 MD Practitioner - Dermatology 9830447283 Reassigns benefits to 1 organization
I20260226003604 CA Practitioner - Dermatology 9830447283 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Dermatology
Education
Other, 2017
Medicare assignment
May accept Medicare assignment
Group practices
City of Hope Medical FoundationGroup PAC ID 3779751656, 964 clinicians
Johns Hopkins UniversityGroup PAC ID 8921903147, 2,886 clinicians

Practice addresses (Care Compare)

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

5755 Cedar LN
Columbia, MD 21044-2912
Phone (410) 740-7544

5759 Cedar LN
Columbia, MD 21044-2912
Phone (443) 718-3738

601 N Caroline St
Baltimore, MD 21287-0006
Phone (410) 955-5080

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
83.31 of 100Reported as group
Quality
73.89
Promoting interoperability
100
Improvement activities
40
Cost
70.47

Procedures performed for Medicare patients

ProcedureNumber of procedures
Removal of skin lesions62
Skin biopsy40

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine, Doctor of Philosophy

State licenses

LicenseStateTypeSpecialty
C206702CAMDDermatology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Johns Hopkins University CurrentSince Sep 1, 2021 Accepting new patients
Johns Hopkins University Dermatology CurrentSince Sep 1, 2021 Accepting new patients
City of Hope Medical Foundation Dermatology CurrentSince Feb 1, 2026 Accepting new patients
Johns Hopkins University Current Accepting new patients
Frederick Health Hospital Inc Past Accepting new patients
City of Hope Medical Foundation PastSince Jun 27, 2021 Accepting new patients

Locations

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

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

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

5755 Cedar Ln
Columbia, MD 21044
Phone (410) 381-7171

6201 Greenleigh Ave
Middle River, MD 21220
Phone (410) 933-2704

Interoperability endpoints

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

Organizations & group practices 6

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

Hospital & facility affiliations 1

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": "1490227200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1770336000000",
    "number": "1326579160",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 512185",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900510185"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1500 DUARTE RD",
            "city": "DUARTE",
            "state": "CA",
            "postal_code": "910103012",
            "telephone_number": "800-826-4673"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "JOHNSON",
        "first_name": "COURTNEY",
        "name_prefix": "Dr.",
        "credential": "MD, PHD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2017-03-23",
        "last_updated": "2026-02-06",
        "certification_date": "2026-02-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207N00000X",
            "taxonomy_group": "",
            "desc": "Dermatology",
            "state": "CA",
            "license": "C206702",
            "primary": true
        }
    ],
    "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 Duarte, CA

Sources for this page

Verify at the official NPI Registry.