Mary Claire McMillan, DO

Primary specialty

Family Medicine PhysicianTaxonomy code 207Q00000X

License

OS23663 Issued in FL

Practice address

1800 SE Tiffany Ave
Port St Lucie, FL 34952-7521

Phone

(772) 398-3623

NPI assigned

Mar 23, 2023

Sex

Female

Sole proprietor

No

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 FL

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 1

Specialty

Family Practice

Education

Other, 2023

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Hospital & facility affiliations

• St Lucie Medical Center Hospital, Port Saint Lucie, FL, CCN 100260

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

Interoperability endpoints

• Direct secure messaging: mary.mcmillan@hca4.eclinicaldirectplus.com

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

• HCA Health Services of Florida, Inc.

  • General Acute Care Hospital
  • Port St Lucie, FL
  • NPI 1538115696
  Care Compare affiliation

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

{
    "created_epoch": "1679529600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1781308800000",
    "number": "1033812664",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1800 SE TIFFANY AVE",
            "city": "PORT ST LUCIE",
            "state": "FL",
            "postal_code": "349527521",
            "telephone_number": "772-398-3623"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1800 SE TIFFANY AVE",
            "city": "PORT ST LUCIE",
            "state": "FL",
            "postal_code": "349527521",
            "telephone_number": "772-398-3623"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MCMILLAN",
        "first_name": "MARY",
        "middle_name": "CLAIRE",
        "name_prefix": "Dr.",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2023-03-23",
        "last_updated": "2026-06-13",
        "certification_date": "2026-06-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "FL",
            "license": "OS23663",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Charlyne McKeliver
• Willie McKelvin III
• Jade Shadea McKenzie
• Kim McKenzie
• Shavone S McLean
• Jennifer Martina McMillian
• Erin Kathleen McNamara, PMHNP
• Bonnie Amber McPherson
• MD-Prac LLC
• Med Braces and Supplies, LLC

• Family Medicine Physician in Port St Lucie, FL
• Providers in Port St Lucie, FL by specialty
• Family Medicine Physician in Florida

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 13, 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.