Jonathan Karnes, MD

Primary specialty

Dermatology PhysicianTaxonomy code 207N00000X

License

MD19164 Issued in ME

Practice address

6 E Chestnut St
Augusta, ME 04330-5758

Phone

(207) 623-6680

Fax

(207) 623-6609

NPI assigned

Jul 20, 2007

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 2

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

Specialty

DermatologyAlso: Family Practice

Education

Other, 2007

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Mainegeneral Medical CenterGroup PAC ID 1254245715, 554 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Maine General Medical Center Hospital, Augusta, ME, CCN 200039

Merit-based Incentive Payment System (MIPS)

Final score

86.22 of 100Reported as group

Quality

75.39

Promoting interoperability

84

Improvement activities

40

Cost

75.32

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: jonathankarnes@mgh.allscriptsdirect.net

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.

• Mainegeneral Medical Center

  • General Acute Care Hospital
  • Augusta, ME
  • NPI 1669423380
  Medicare reassignment Care Compare group NPD
• Mainegeneral Medical Center

  dba MaineGeneral Pharmacy

  • Community/Retail Pharmacy
  • Waterville, ME
  • NPI 1477344976
  NPD
• Community Medicine Associates

  dba University Medicine Associates

  • Family Medicine Physician
  • San Antonio, TX
  • NPI 1245313329
  NPD (past)

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

{
    "created_epoch": "1184889600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1785715200000",
    "number": "1306046180",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6 E CHESTNUT ST",
            "city": "AUGUSTA",
            "state": "ME",
            "postal_code": "043305758",
            "telephone_number": "207-623-6680",
            "fax_number": "207-623-6609"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6 E CHESTNUT ST",
            "city": "AUGUSTA",
            "state": "ME",
            "postal_code": "043305758",
            "telephone_number": "207-623-6680",
            "fax_number": "207-623-6609"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KARNES",
        "first_name": "JONATHAN",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-07-20",
        "last_updated": "2026-08-03",
        "certification_date": "2026-08-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207N00000X",
            "taxonomy_group": "",
            "desc": "Dermatology",
            "state": "ME",
            "license": "MD19164",
            "primary": true
        },
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "ME",
            "license": "MD19164",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "RESIDENT-NO PROV #",
            "identifier": "NONE",
            "state": "ME"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "432680199",
            "state": "ME"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Xinlei Don Kang, OD
• Charles Edward Kanozak, DMD
• Erin Kany
• Caroline McKinney Karabeinikoff, LCSW
• Tara Lee Karczewski-Mitchell, LMSW-CC
• Winona Karns, CADC, MHRT/C
• Jeannette Lisa Kassel, LCPC
• Lisa Esther Katz, L.C.S.W.
• Navdeep Kaur, M.D.
• Theresa Kavanah

• Dermatology Physician in Augusta, ME
• Providers in Augusta, ME by specialty
• Dermatology Physician in Maine

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 3, 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.