Jason Justin, PA-C

Primary specialty

Physician AssistantTaxonomy code 363A00000X

License

PA54845 Issued in CA

Practice address

750 Redwood Hwy Frontage Rd Ste 1204
Mill Valley, CA 94941-2483

Phone

(415) 384-4778

NPI assigned

Apr 29, 2017

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

Addresses

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

Physician Assistant

Education

Other, 2017

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

American Current Care of California a Medical CorporationGroup PAC ID 5799854303, 135 clinicians

UCSF Health Medical FoundationGroup PAC ID 9436239878, 65 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Physician Assistant

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: jjustin340937@direct-ucsfmedicalcenter.org

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.

• American Current Care of California, a Medical Corporation

  dba Concentra Urgent Care

  • Clinic/Center
  • Los Angeles, CA
  • NPI 1750573622
  Medicare reassignment Care Compare group
• UCSF Health Medical Foundation

  • Multi-Specialty Clinic/Center
  • Oakland, CA
  • NPI 1922124866
  Medicare reassignment Care Compare group
• Santa Rosa Orthopaedic Medical Group, Inc.

  • Orthopaedic Surgery Physician
  • Santa Rosa, CA
  • NPI 1518907336
  Medicare reassignment NPD
• Brett V. Curtis, MD, a Professional Corporation, Inc.

  dba Medical Center of Marin

  • Occupational Medicine Clinic/Center
  • San Rafael, CA
  • NPI 1346372661
  Medicare reassignment
• Permanente Medical Group Inc

  • Internal Medicine Physician
  • Santa Clara, CA
  • NPI 1073606299
  Medicare reassignment
• Regents Univ of California UCSF

  dba UCSF Physician Group

  • Internal Medicine Physician
  • San Francisco, CA
  • NPI 1124439807
  Medicare reassignment
• American Current Care of California, a Medical Corporation

  dba Concentra Urgent Care

  • Urgent Care Clinic/Center
  • Ontario, CA
  • NPI 1811464084
  NPD
• American Current Care of California, a Medical Corporation

  dba Concentra Urgent Care

  • Urgent Care Clinic/Center
  • San Francisco, CA
  • NPI 1932491685
  NPD
• Permanente Medical Group Inc

  • Internal Medicine Physician
  • Vallejo, CA
  • NPI 1336222397
  NPD
• Santa Rosa Orthopaedic Medical Group, Inc.

  • Orthopaedic Surgery Physician
  • Petaluma, CA
  • NPI 1891450920
  NPD
• American Current Care of California, a Medical Corporation

  dba Concentra Urgent Care

  • Urgent Care Clinic/Center
  • Santa Rosa, CA
  • NPI 1811186851
  NPD (past)

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

{
    "created_epoch": "1493424000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757376000000",
    "number": "1265967079",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "434 S SAN VICENTE BLVD # 100",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900484108"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "750 REDWOOD HWY FRONTAGE RD STE 1204",
            "city": "MILL VALLEY",
            "state": "CA",
            "postal_code": "949412483",
            "telephone_number": "415-384-4778"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "34 Mark West Springs Rd",
            "address_purpose": "LOCATION",
            "city": "Santa Rosa",
            "state": "CA",
            "postal_code": "954031766",
            "country_code": "US",
            "telephone_number": "707-546-1922",
            "fax_number": "707-569-8620",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "434 S San Vicente Blvd # 100",
            "address_purpose": "LOCATION",
            "city": "Los Angeles",
            "state": "CA",
            "postal_code": "900484108",
            "country_code": "US",
            "telephone_number": "310-360-6780",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "JUSTIN",
        "first_name": "JASON",
        "credential": "PA-C",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2017-04-29",
        "last_updated": "2025-09-09",
        "certification_date": "2025-09-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363AS0400X",
            "taxonomy_group": "",
            "desc": "Physician Assistant, Surgical",
            "state": "CA",
            "license": "PA54845",
            "primary": false
        },
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "CA",
            "license": "PA54845",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Michelle Binder Jonelis, M.D.
• Mikayla Jones, DPT
• Joseph Mauch
• Joshua Deitch Chiropractic, Inc
• Kimberly Juarez, NP
• K&M Neuropsychology, a Psychology Corporation (California Brain Health Center)
• Deborah J Kamins, PH.D.
• Justina Anna Kane
• Lawrence Kaplan
• Noah Kaplan, D.C.

• Physician Assistant in Mill Valley, CA
• Providers in Mill Valley, CA by specialty
• Physician Assistant in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 9, 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.