Individual provider Active NPI

Mark Kaplan, DO

  • Emergency Medicine Physician
  • Ellsworth, ME
National Provider Identifier
1861498461
Registry record updated Sep 11, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Emergency Medicine PhysicianTaxonomy code 207P00000X
License
907 Issued in ME
Practice address
58 Laurel St
Ellsworth, ME 04605-2305
Phone
(207) 659-5546
Fax
(207) 573-1609
NPI assigned
Jun 28, 2005
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Sep 11, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Emergency Medicine Physician 207P00000X 907 ME Primary

Addresses

Primary practice location

58 Laurel St
Ellsworth, ME 04605-2305

Mailing address

58 Laurel St
Ellsworth, ME 04605-2305
Phone (207) 659-5546

Other practice location 1

57 Water St
Blue Hill, ME 04614
Phone (207) 374-3911

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in ME
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

Enrollment IDStateProvider typePAC IDDetails
I20041216000668 ME Practitioner - Family PracticePractitioner - Internal MedicinePractitioner - Emergency Medicine 3173580503 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Family PracticeAlso: Internal Medicine
Education
Other, 1972
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
St Croix Regional Family Health CenterGroup PAC ID 3577524024, 21 clinicians
East Grand Health Center IncGroup PAC ID 4284642950, 7 clinicians

Practice addresses (Care Compare)

136 Mill St
Princeton, ME 04668-3344
Phone (207) 796-5503

201 Houlton Rd
Danforth, ME 04424-3140
Phone (207) 448-2347

Hospital & facility affiliations

  • Northern Light Home Care & Hospice Hospice, South Portland, ME, CCN 201502
  • Houlton Regional Hospital Hospital, Houlton, ME, CCN 201308
  • Penobscot Valley Hospital Hospital, Lincoln, ME, CCN 201303

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Osteopathy, Doctor of Medicine

Practice roles

OrganizationSpecialtyStatusNew patients
St Croix Regional Family Health Center CurrentSince Jul 1, 2025 Accepting new patients
East Grand Health Center, Inc CurrentSince Apr 1, 2008 Accepting new patients
MDK Medical CurrentSince Dec 10, 2024 Accepting new patients
Penobscot Valley Hospital Past Accepting new patients
Spectrum Healthcare Partners, PA Past Accepting new patients
The Blue Hill Memorial Hospital Past Accepting new patients
Harrington Family Health Center PastSince Nov 1, 2007 Accepting new patients

Locations

5 Lowell St
Ste 4
Calais, ME 04619
Phone (207) 796-5033

201 Houlton Rd
Danforth, ME 04424
Phone (207) 448-2347

136 Mill St
Princeton, ME 04668
Phone (207) 796-5033

Interoperability endpoints

  • FHIR API: https://api.platform.athenahealth.com/10564/brand/1/csg/1/fhir/r4
  • FHIR API: https://api.platform.athenahealth.com/5664/brand/1/csg/1/fhir/r4
  • FHIR API: https://fhir-usa.unify.chbase.com/org/penob-eadbba22

Organizations & group practices 7

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.

Hospital & facility affiliations 3

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

NPI Registry JSON

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

{
    "created_epoch": "1119916800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1861498461",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "58 LAUREL ST",
            "city": "ELLSWORTH",
            "state": "ME",
            "postal_code": "046052305",
            "telephone_number": "207-659-5546",
            "fax_number": "207-573-1609"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "58 LAUREL ST",
            "city": "ELLSWORTH",
            "state": "ME",
            "postal_code": "046052305",
            "telephone_number": "207-659-5546",
            "fax_number": "207-573-1609"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "57 Water St",
            "address_purpose": "LOCATION",
            "city": "Blue Hill",
            "state": "ME",
            "postal_code": "04614",
            "country_code": "US",
            "telephone_number": "207-374-3911",
            "fax_number": "207-374-3986",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "KAPLAN",
        "first_name": "MARK",
        "credential": "DO",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2005-06-28",
        "last_updated": "2025-09-11",
        "certification_date": "2024-09-26",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "ME",
            "license": "907",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Ellsworth, ME

Sources for this page

Verify at the official NPI Registry.