Makenzie R. Griffin, FNP

Primary specialty

Family Nurse PractitionerTaxonomy code 363LF0000X

License

APRN11018528 Issued in FL

Practice address

985 Prince Frederick Blvd
Suite 201
Prince Frederick, MD 20678-3492

Phone

(410) 535-2005

Fax

(410) 535-4850

NPI assigned

Jun 18, 2018

Sex

Female

Sole proprietor

No

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

Specialties & licenses 3

Addresses

Other names 1

• Makenzie R. Loftus Former name

Medicare fee-for-service enrollment

Enrolled in FL, MD2 enrollments

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 2

Specialty

Nurse Practitioner

Education

Other, 2013

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Millennium Physician Group LLCGroup PAC ID 9830244433, 976 clinicians

Calvert Internal Medicine Group, PAGroup PAC ID 1759371834, 40 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: mgriffin@calvertinternalmedicine.medentdirect.com

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.

• Calvert Internal Medicine Group PA

  • Internal Medicine Physician
  • Prince Frederick, MD
  • NPI 1174682298
  Medicare reassignment Care Compare group NPD
• Millennium Physician Group LLC

  • Family Medicine Physician
  • Fort Myers, FL
  • NPI 1811122880
  Medicare reassignment Care Compare group NPD
• Millennium Physician Group LLC

  • Family Medicine Physician
  • Brooksville, FL
  • NPI 1073131702
  NPD
• Glenn G. Marinelli MD PA

  • Otolaryngology Physician
  • Prince Frederick, MD
  • NPI 1780854885
  NPD (past)

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

{
    "created_epoch": "1529280000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1762387200000",
    "number": "1093209645",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "205 STEEPLE CHASE DRIVE",
            "address_2": "SUITE 304",
            "city": "PRINCE FREDERICK",
            "state": "MD",
            "postal_code": "206784054",
            "telephone_number": "410-535-2005",
            "fax_number": "443-432-3683"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "985 PRINCE FREDERICK BLVD",
            "address_2": "SUITE 201",
            "city": "PRINCE FREDERICK",
            "state": "MD",
            "postal_code": "206783492",
            "telephone_number": "410-535-2005",
            "fax_number": "410-535-4850"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GRIFFIN",
        "first_name": "MAKENZIE",
        "middle_name": "R.",
        "credential": "FNP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2018-06-18",
        "last_updated": "2025-11-06",
        "certification_date": "2025-11-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "MD",
            "license": "R209597",
            "primary": false
        },
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "FL",
            "license": "APRN11018528",
            "primary": true
        },
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "NY",
            "license": "343144",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "MAKENZIE",
            "last_name": "LOFTUS",
            "middle_name": "R.",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

• Greater Maryland Pain Management, LLC
• Sharon Green-Briscoe, MS,CAC-AD
• Angela Green
• Angela Lynn Gregory, MS, LCPC, LGADC
• Lauren Renee Grierson, REGISTERED DIETITIAN
• Steven Griffin, PT, DPT
• Terrence Griffin
• Paul Howard Griffith III, M.D.
• Peter L Gross, MD
• Anirudh Guduru

• Family Nurse Practitioner in Prince Frederick, MD
• Providers in Prince Frederick, MD by specialty
• Family Nurse Practitioner in Maryland

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 6, 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.