James H Mersey, M.D.

Primary specialty

Endocrinology, Diabetes & Metabolism PhysicianTaxonomy code 207RE0101X

License

ME116216 Issued in FL

Practice address

2955 Brownwood Blvd
The Villages, FL 32163-2039

Phone

(352) 674-8700

Fax

(352) 674-8714

NPI assigned

Jun 16, 2005

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

Other identifiers 1

Medicare fee-for-service enrollment

Enrolled in MD, FL2 enrollments

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 2

Specialty

Endocrinology

Education

Johns Hopkins University School of Medicine, 1976

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

The Villages Health System LLCGroup PAC ID 2163667288, 146 clinicians

Centerwell Senior Primary Care Vitality IncGroup PAC ID 4486152899, 144 clinicians

Privia Care Center LLCGroup PAC ID 3274801139, 286 clinicians

Practice addresses (Care Compare)

Merit-based Incentive Payment System (MIPS)

Final score

94.62 of 100Reported as group

Quality

91.57

Promoting interoperability

100

Improvement activities

40

Cost

85.85

Medicare enrollment (NPD)

Not enrolled

HHS exclusion list flag

CMS’s directory marks this NPI as on an HHS exclusion list; no matching OIG record was found. The OIG exclusions file (LEIE) holds no record for this NPI, and the directory does not say which list the flag comes from. How exclusions are shown Confirm with the OIG exclusions search.

Credentials

Doctor of Medicine

Practice roles

Locations

Networks

• Freedom Health HMO Network

Interoperability endpoints

• Direct secure messaging: james.mersey.1@18324.direct.athenahealth.com
• FHIR API: https://api.platform.athenahealth.com/18324/brand/1/csg/1/fhir/r4

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Centerwell Senior Primary Care Vitality Inc

  • Internal Medicine Physician
  • The Villages, FL
  • NPI 1730076621
  Medicare reassignment Care Compare group NPD
• The Villages Health System LLC

  dba The Villages Health

  • General Practice Physician
  • The Villages, FL
  • NPI 1699012922
  Medicare reassignment Care Compare group NPD
• Privia Care Center LLC

  • Internal Medicine Physician
  • Arlington, VA
  • NPI 1164874426

  MD

  Medicare reassignment Care Compare group NPD
• Mersey Endocrine Consultation Services LLC

  • Endocrinology, Diabetes & Metabolism Physician
  • Lady Lake, FL
  • NPI 1265152417
  NPD Authorized official
• Privia Medical Group, LLC

  • Internal Medicine Physician
  • Arlington, VA
  • NPI 1013042480

  MD

  Medicare reassignment
• Centerwell Senior Primary Care Vitality Inc

  • Internal Medicine Physician
  • The Villages, FL
  • NPI 1457223406
  NPD
• Privia Care Center LLC

  • Internal Medicine Physician
  • Baltimore, MD
  • NPI 1730664012
  NPD
• Frederick Health Hospital Inc

  dba Frederick Health Hospital

  • General Acute Care Hospital
  • Frederick, MD
  • NPI 1538165527
  NPD (past)

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

{
    "created_epoch": "1118880000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1755475200000",
    "number": "1669477683",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1667 WADING HERON WAY",
            "city": "THE VILLAGES",
            "state": "FL",
            "postal_code": "321632147"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2955 BROWNWOOD BLVD",
            "city": "THE VILLAGES",
            "state": "FL",
            "postal_code": "321632039",
            "telephone_number": "352-674-8700",
            "fax_number": "352-674-8714"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1400 N US Highway 441",
            "address_2": "Suite 810",
            "address_purpose": "LOCATION",
            "city": "The Villages",
            "state": "FL",
            "postal_code": "321598975",
            "country_code": "US",
            "telephone_number": "352-674-8700",
            "fax_number": "352-674-8714",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1451 El Camino Real",
            "address_purpose": "LOCATION",
            "city": "The Villages",
            "state": "FL",
            "postal_code": "321590041",
            "country_code": "US",
            "telephone_number": "352-751-8000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MERSEY",
        "first_name": "JAMES",
        "middle_name": "H",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-06-16",
        "last_updated": "2025-08-18",
        "certification_date": "2025-08-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RE0101X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Endocrinology, Diabetes & Metabolism",
            "state": "MD",
            "license": "D19329",
            "primary": false
        },
        {
            "code": "207RE0101X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Endocrinology, Diabetes & Metabolism",
            "state": "FL",
            "license": "ME116216",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "053771300",
            "state": "MD"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Margarita Mendez, PT
• Heriberto Menendez, M.D.
• Rolando J Menendez, MD
• Edwin S. Menor, M.D.
• Timothy Merkiel
• Caroline F Merveille, M.D.
• Kathleen A Meyer, MD
• Michael Glick, M.D. P.a.
• Fady Michael
• Alyssa Michalowski, DPT

• Endocrinology, Diabetes & Metabolism Physician in The Villages, FL
• Providers in The Villages, FL by specialty
• Endocrinology, Diabetes & Metabolism Physician in Florida

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 18, 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.