Marina O'Brien, PA-C

Primary specialty

Physician AssistantTaxonomy code 363A00000X

License

8738-23 Issued in WI

Practice address

2906 S 20TH St
Milwaukee, WI 53215-3732

Phone

(414) 672-1353

NPI assigned

Nov 12, 2024

Sex

Female

Sole proprietor

Yes

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in WI

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, 2025

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

16TH Street Community Health Center Inc.Group PAC ID 6709876857, 83 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Physician Assistant

State licenses

Practice roles

Locations

Interoperability endpoints

• FHIR API: https://fhir.nextgen.com/nge/prod/fhir-api-r4/fhir/r4/

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.

• 16TH Street Community Health Center Inc.

  • Federally Qualified Health Center (FQHC)
  • Milwaukee, WI
  • NPI 1417912999
  Medicare reassignment Care Compare group
• CH Specialty Services Wi SC

  • Internal Medicine Physician
  • Hartford, WI
  • NPI 1063115319
  NPD
• Curana Health of Wisconsin Inc

  • Internal Medicine Physician
  • Hartford, WI
  • NPI 1699407890
  NPD
• Sixteenth Street Community Health Centers, Inc.

  • Federally Qualified Health Center (FQHC)
  • Milwaukee, WI
  • NPI 1316587439

  Physician Assistant

  NPD

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

{
    "created_epoch": "1731369600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1770681600000",
    "number": "1932923489",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1032 S CESAR E CHAVEZ DR",
            "city": "MILWAUKEE",
            "state": "WI",
            "postal_code": "532042203",
            "telephone_number": "414-672-1353"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2906 S 20TH ST",
            "city": "MILWAUKEE",
            "state": "WI",
            "postal_code": "532153732",
            "telephone_number": "414-672-1353"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1032 S Cesar E Chavez Dr",
            "address_purpose": "LOCATION",
            "city": "Milwaukee",
            "state": "WI",
            "postal_code": "532042203",
            "country_code": "US",
            "telephone_number": "414-672-1353",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "309 E North St",
            "address_purpose": "LOCATION",
            "city": "Waukesha",
            "state": "WI",
            "postal_code": "531883718",
            "country_code": "US",
            "telephone_number": "414-672-1353",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "4570 S 27th St",
            "address_purpose": "LOCATION",
            "city": "Milwaukee",
            "state": "WI",
            "postal_code": "532212145",
            "country_code": "US",
            "telephone_number": "414-672-1353",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1635 W National Ave",
            "address_purpose": "LOCATION",
            "city": "Milwaukee",
            "state": "WI",
            "postal_code": "532041130",
            "country_code": "US",
            "telephone_number": "414-672-1353",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "O'BRIEN",
        "first_name": "MARINA",
        "credential": "PA-C",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2024-11-12",
        "last_updated": "2026-02-10",
        "certification_date": "2026-02-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "WI",
            "license": "8738-23",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Jane E O'Brien, RN
• Jessica L O'Brien, MD
• Katelyn Ann O'Brien, RD
• Kathryn O'Brien
• Kevin P O'Brien, LCSW, LMFT
• Shannon G O'Brien, MSW, LCSW, CSAC,CTS
• Tierney Callahan O'Brien, MA, SSP
• Vanessa A. O'Brien, PT
• William Joseph O'Brien, DDS
• Lisa O'Connell, M.S. CCC-SLP

• Physician Assistant in Milwaukee, WI
• Providers in Milwaukee, WI by specialty
• Physician Assistant in Wisconsin

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 10, 2026; 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.