Kelsey June Diemer, DO

Primary specialty

Sports Medicine (Internal Medicine) PhysicianTaxonomy code 207RS0010X

License

OS20212 Issued in FL

Practice address

23450 Via Coconut PT
Estero, FL 34135-1877

Phone

(239) 343-9696

Fax

(239) 343-4198

NPI assigned

Mar 22, 2019

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

Other identifiers 1

Other names 1

• Kelsey Jacobson Former name

Electronic endpoints 1

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

Sports MedicineAlso: Internal Medicine

Education

Other, 2019

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Lee Health System IncGroup PAC ID 9335672146, 1,381 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Lee Memorial Hospital Hospital, Fort Myers, FL, CCN 100012
• Cape Coral Hospital Hospital, Cape Coral, FL, CCN 100244
• Gulf Coast Medical Center Lee Health Hospital, Fort Myers, FL, CCN 100220

Merit-based Incentive Payment System (MIPS)

Final score

96.55 of 100Reported as apm

Quality

84.49

Promoting interoperability

99

Improvement activities

40

Merit-based Incentive Payment System (MIPS)

Final score

95.25 of 100Reported as apm

Quality

87.73

Promoting interoperability

100

Improvement activities

40

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

State licenses

Practice roles

Locations

Networks

• Freedom Health HMO Network

Interoperability endpoints

• Direct secure messaging: kdiemer417328@direct.leememorial.org

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.

• Lee Health System Inc

  • Internal Medicine Physician
  • Fort Myers, FL
  • NPI 1942058557
  Medicare reassignment Care Compare group NPD
• Lee Memorial Health System

  • Internal Medicine Physician
  • Fort Myers, FL
  • NPI 1992873319
  Medicare reassignment NPD
• Lee Health System Inc

  • Community/Retail Pharmacy
  • Bonita Springs, FL
  • NPI 1699510925
  NPD
• Lee Memorial Health System

  • Federally Qualified Health Center (FQHC)
  • Port Charlotte, FL
  • NPI 1255171765
  NPD
• Lee Memorial Health System

  • Federally Qualified Health Center (FQHC)
  • Fort Myers, FL
  • NPI 1720715295
  NPD

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

• Lee Health System Inc

  • General Acute Care Hospital
  • Fort Myers, FL
  • NPI 1366281750
  Care Compare affiliation
• Lee Health System Inc

  • General Acute Care Hospital
  • Fort Myers, FL
  • NPI 1427806025
  Care Compare affiliation
• Lee Health System Inc

  • General Acute Care Hospital
  • Cape Coral, FL
  • NPI 1780429076
  Care Compare affiliation

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

{
    "created_epoch": "1553212800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1762387200000",
    "number": "1770043150",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 2147",
            "city": "FORT MYERS",
            "state": "FL",
            "postal_code": "339022147",
            "telephone_number": "239-343-9696",
            "fax_number": "239-343-4198"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "23450 VIA COCONUT PT",
            "city": "ESTERO",
            "state": "FL",
            "postal_code": "341351877",
            "telephone_number": "239-343-9696",
            "fax_number": "239-343-4198"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "8960 Colonial Center Dr Ste 206",
            "address_purpose": "LOCATION",
            "city": "Fort Myers",
            "state": "FL",
            "postal_code": "339057810",
            "country_code": "US",
            "telephone_number": "239-343-9696",
            "fax_number": "239-343-4198",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "24040 S Tamiami Trl Ste 202",
            "address_purpose": "LOCATION",
            "city": "Bonita Springs",
            "state": "FL",
            "postal_code": "341347040",
            "country_code": "US",
            "telephone_number": "239-624-7100",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "DIEMER",
        "first_name": "KELSEY",
        "middle_name": "JUNE",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2019-03-22",
        "last_updated": "2025-11-06",
        "certification_date": "2025-11-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RS0010X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Sports Medicine",
            "state": "FL",
            "license": "OS20212",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "119160500",
            "state": "FL"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "kdiemer417328@Direct.leememorial.org",
            "affiliation": "Y",
            "affiliationName": "Lee Memorial Health System",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "2776 Cleveland Ave",
            "city": "Fort Myers",
            "state": "FL",
            "country_code": "US",
            "postal_code": "339015864",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": [
        {
            "first_name": "KELSEY",
            "last_name": "JACOBSON",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

• Dana Marcone Dedonato, MSW, LCSW
• Petra Deem, APRN
• Diagnostic Vascular Testing, LLC
• Angela Diaz
• Iris Diaz, NP
• Mary A Dion, FNP-BC
• Carole Disalvo, MSW, LCSW
• Kelsi L Dixon, FNP
• Dna Comprehensive Therapy Services, LLC
• Predrag Dordevic

• Sports Medicine (Internal Medicine) Physician in Estero, FL
• Providers in Estero, FL by specialty
• Sports Medicine (Internal Medicine) Physician in Florida

• 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.