Jennifer Ellen Mertiff, APRN FNP-C

Primary specialty

Nurse PractitionerTaxonomy code 363L00000X

License

APRN11001171 Issued in FL

Practice address

463646 Sr 200
Suite 12
Yulee, FL 32097-2640

Phone

(904) 775-3601

Fax

(904) 849-1919

NPI assigned

May 6, 2019

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

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in FL, GA2 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, 2018

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Solantic of Jacksonville LLCGroup PAC ID 1052409307, 56 clinicians

Physicians Group Services PAGroup PAC ID 1254238579, 91 clinicians

Jacksonville Carenow Urgent Care LLCGroup PAC ID 6800158544, 44 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Southeast Georgia Health System -- Camden Campus Hospital, Saint Marys, GA, CCN 110146

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: jennifer.mertiff.1@25110.direct.athenahealth.com
• Direct secure messaging: jennifer.mertiff@conviva.eclinicaldirectplus.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.

• Jacksonville Carenow Urgent Care, LLC

  • Urgent Care Clinic/Center
  • Jacksonville, FL
  • NPI 1447771670
  Medicare reassignment Care Compare group NPD
• Physicians Group Services PA

  dba Coastal Health

  • Family Medicine Physician
  • Orange Park, FL
  • NPI 1861440810

  GA

  Medicare reassignment Care Compare group NPD
• Conviva Medical Center Management LLC

  dba Conviva Care Center

  • Internal Medicine Physician
  • Miami, FL
  • NPI 1649324278
  Medicare reassignment NPD
• Solantic of Jacksonville, LLC

  dba CareSpot Express Healthcare

  • Urgent Care Clinic/Center
  • Ponte Vedra, FL
  • NPI 1407893100
  Care Compare group
• Avecina Medical PA

  • Urgent Care Clinic/Center
  • Jacksonville, FL
  • NPI 1215082003
  NPD
• Avecina Medical, PA

  • Urgent Care Clinic/Center
  • Saint Johns, FL
  • NPI 1457145286
  NPD
• Avecina Medical, PA

  • Urgent Care Clinic/Center
  • Yulee, FL
  • NPI 1962200717
  NPD
• Physicians Group Services PA

  dba Coastal Health

  • Durable Medical Equipment & Medical Supplies
  • Middleburg, FL
  • NPI 1699170035

  Nurse Practitioner

  NPD

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

• Southeast Georgia Health System, Inc.

  dba Southeast Georgia Health System - Camden Campus

  • General Acute Care Hospital
  • Saint Marys, GA
  • NPI 1194744326
  Care Compare affiliation

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

{
    "created_epoch": "1557100800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1773273600000",
    "number": "1154986156",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "705 WELLS RD STE 300",
            "city": "ORANGE PARK",
            "state": "FL",
            "postal_code": "320732982",
            "telephone_number": "904-621-0671"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "463646 SR 200",
            "address_2": "SUITE 12",
            "city": "YULEE",
            "state": "FL",
            "postal_code": "320972640",
            "telephone_number": "904-775-3601",
            "fax_number": "904-849-1919"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "463386 State Road 200 Unit A",
            "address_purpose": "LOCATION",
            "city": "Yulee",
            "state": "FL",
            "postal_code": "320973240",
            "country_code": "US",
            "telephone_number": "904-468-3080",
            "fax_number": "904-468-3193",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "309 Arnow Dr",
            "address_purpose": "LOCATION",
            "city": "Saint Marys",
            "state": "GA",
            "postal_code": "315583176",
            "country_code": "US",
            "telephone_number": "912-439-3500",
            "fax_number": "912-439-3528",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MERTIFF",
        "first_name": "JENNIFER",
        "middle_name": "ELLEN",
        "name_prefix": "Ms.",
        "credential": "APRN FNP-C",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2019-05-06",
        "last_updated": "2026-03-12",
        "certification_date": "2026-03-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "FL",
            "license": "APRN11001171",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "jennifer.mertiff@conviva.eclinicaldirectplus.com",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "463646 SR 200",
            "address_2": "Suite 12",
            "city": "Yulee",
            "state": "FL",
            "country_code": "US",
            "postal_code": "320972640",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Gail McWhirter, PMHNP
• Med-Trans Corporation
• Medcity Pharmacy
• Mefl, LLC (Miracle-Ear)
• Memorial Healthcare Group, Inc. (HCA Florida Yulee Emergency, a department of HCA Florida Memorial Hospital)
• Anna Christina Miller, LMHC
• Christina Miller
• Christine Petras Miller
• Charles D Milton Jr., D.D.S., M.D.
• Kailah Milton

• Nurse Practitioner in Yulee, FL
• Providers in Yulee, FL by specialty
• Nurse Practitioner in Florida

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 12, 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.