Individual provider Active NPI

Roger C Inhorn, MD-PHD

  • Medical Oncology Physician
  • Rockport, ME
National Provider Identifier
1831137405
Registry record updated Sep 30, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Medical Oncology PhysicianTaxonomy code 207RX0202X
License
MD16624 Issued in ME
Practice address
6 Glen Cove Dr Ste 360
Rockport, ME 04856-4272
Phone
(207) 921-8969
Fax
(207) 910-4407
NPI assigned
Jun 3, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 30, 2025

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Medical Oncology Physician 207RX0202X MD16624 ME Primary
Internal Medicine Physician 207R00000X MD16624 ME
Hematology & Oncology Physician 207RH0003X MD16624 ME

Addresses

Primary practice location

6 Glen Cove Dr Ste 360
Rockport, ME 04856-4272

Mailing address

6 Glen Cove Dr Ste 360
Rockport, ME 04856-4272
Phone (207) 921-8969

Other practice location 1

159 Main St
Norway, ME 04268-5638
Phone (207) 743-2945

Other practice location 2

116 Northport Ave Ste 112
Belfast, ME 04915-6096
Phone (207) 505-4163

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
I20040831001056 ME Practitioner - Medical Oncology 7810962099 Reassigns benefits to 5 organizations

Care Compare profile

Medicare Care Compare
Specialty
Medical Oncology
Education
Washington University School of Medicine, 1990
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
MainehealthGroup PAC ID 7517860588, shared by 31 NPIs, 2,616 clinicians

Practice addresses (Care Compare)

22 Bramhall St
Portland, ME 04102-3134
Phone (207) 885-9905

6 Glen Cove Dr
Rockport, ME 04856-4272
Phone (207) 921-8969

Hospital & facility affiliations

  • Mainehealth Home Health and Hospice Home health agency, Saco, ME, CCN 207000
  • Mainehealth Pen Bay Hospital Hospital, Rockport, ME, CCN 200063
  • Mainehealth Waldo Hospital Hospital, Belfast, ME, CCN 201312
  • Lincolnhealth Hospital, Damariscotta, ME, CCN 201302
  • Mainehealth Maine Medical Center Hospital, Portland, ME, CCN 200009
  • Maine General Medical Center Hospital, Augusta, ME, CCN 200039

Merit-based Incentive Payment System (MIPS)

Final score
97.93 of 100Reported as apm
Quality
83.31
Promoting interoperability
100
Improvement activities
40

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
MD16624MEMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Maine Medical Partners Current Accepting new patients
Mainehealth CurrentSince Jul 1, 2025 Accepting new patients
Mainehealth Current Accepting new patients
Maine Medical Partners Hematology & Oncology CurrentSince Dec 1, 2018 Accepting new patients
Mainehealth CurrentSince Jul 1, 2025 Accepting new patients
Mainehealth CurrentSince Dec 1, 2018 Accepting new patients
Mercy Hospital CurrentSince Jul 1, 2004 Accepting new patients
Mercy Hospital CurrentSince Jul 1, 2004 Accepting new patients
Mainehealth CurrentSince Dec 1, 2018 Accepting new patients
Mercy Arch Hematology Oncology Group Inc. Hematology & Oncology Past Accepting new patients
Mainehealth Internal Medicine Past Accepting new patients
Mercy Hospital Past Accepting new patients
St. John'S Mercy Support Services Past Accepting new patients
Mercy Support Services Past Accepting new patients

Locations

116 Northport Ave
Ste 112
Belfast, ME 04915
Phone (207) 505-4163

159 Main St
Norway, ME 04268
Phone (207) 743-2945

887 Congress St
Ste 210
Portland, ME 04102
Phone (207) 774-2381

195 Fore River Pkwy
Ste 360
Portland, ME 04102
Phone (207) 553-6868

22 Bramhall St
Portland, ME 04102
Phone (207) 662-2179

6 Glen Cove Dr
Rockport, ME 04856
Phone (207) 596-8000

6 Glen Cove Dr
Ste 360
Rockport, ME 04856
Phone (207) 921-8969

40 Park Rd
Westbrook, ME 04092
Phone (207) 857-8174

584 Roosevelt Trl
Windham, ME 04062
Phone (207) 892-3216

Interoperability endpoints

  • Direct secure messaging: rinhorn239335@direct.mmc.mainehealth.org

Organizations & group practices 14

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.

View all 14

Hospital & facility affiliations 41

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

View all 41

NPI Registry JSON

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

{
    "created_epoch": "1149292800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1759190400000",
    "number": "1831137405",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6 GLEN COVE DR STE 360",
            "city": "ROCKPORT",
            "state": "ME",
            "postal_code": "048564272",
            "telephone_number": "207-921-8969",
            "fax_number": "207-910-4407"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6 GLEN COVE DR STE 360",
            "city": "ROCKPORT",
            "state": "ME",
            "postal_code": "048564272",
            "telephone_number": "207-921-8969",
            "fax_number": "207-910-4407"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "159 Main St",
            "address_purpose": "LOCATION",
            "city": "Norway",
            "state": "ME",
            "postal_code": "042685638",
            "country_code": "US",
            "telephone_number": "207-743-2945",
            "fax_number": "207-743-2751",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "116 Northport Ave Ste 112",
            "address_purpose": "LOCATION",
            "city": "Belfast",
            "state": "ME",
            "postal_code": "049156096",
            "country_code": "US",
            "telephone_number": "207-505-4163",
            "fax_number": "207-613-2570",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "INHORN",
        "first_name": "ROGER",
        "middle_name": "C",
        "credential": "MD-PHD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-06-03",
        "last_updated": "2025-09-30",
        "certification_date": "2025-09-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RX0202X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Medical Oncology",
            "state": "ME",
            "license": "MD16624",
            "primary": true
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "ME",
            "license": "MD16624",
            "primary": false
        },
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "ME",
            "license": "MD16624",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Rockport, ME

Sources for this page

Verify at the official NPI Registry.