Katherine R Caldwell, MD

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

MD17709 Issued in ME

Practice address

84 Marginal Way
Ste 700
Portland, ME 04101-2443

Phone

(207) 774-5816

Fax

(207) 523-8597

NPI assigned

Dec 1, 2006

Last updated

Mar 4, 2026By the provider in NPPES

Sex

Female

Sole proprietor

No

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

Specialties & licenses 4

Addresses

Other identifiers 1

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

Internal Medicine

Education

University of Massachusetts Medical School, 2004

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Intermed PAGroup PAC ID 5092605261, 185 clinicians

Practice addresses (Care Compare)

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: katherine.caldwell@int.eclinicaldirectplus.com

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

• Intermed, PA

  • Internal Medicine Physician
  • South Portland, ME
  • NPI 1467422733
  Medicare reassignment Care Compare group NPD
• Intermed, PA

  • Pediatrics Physician
  • South Portland, ME
  • NPI 1295607836
  NPD
• Intermed, PA

  • Diagnostic Radiology Physician
  • South Portland, ME
  • NPI 1326486101
  NPD (past)

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

{
    "created_epoch": "1164931200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1772582400000",
    "number": "1730257411",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "100 GANNETT DR STE C",
            "city": "SOUTH PORTLAND",
            "state": "ME",
            "postal_code": "041065900",
            "telephone_number": "207-347-2947",
            "fax_number": "207-874-2317"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "84 MARGINAL WAY",
            "address_2": "STE 700",
            "city": "PORTLAND",
            "state": "ME",
            "postal_code": "041012443",
            "telephone_number": "207-774-5816",
            "fax_number": "207-523-8597"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CALDWELL",
        "first_name": "KATHERINE",
        "middle_name": "R",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-12-01",
        "last_updated": "2026-03-04",
        "certification_date": "2026-03-04",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "ME",
            "license": "MD17709",
            "primary": true
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "ME",
            "license": "EC05076",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "ME",
            "license": "017709",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MN",
            "license": "55033",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "432856099",
            "state": "ME"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Caitlin Gentilini, LCSW
• Allison Caldwell, M.D.
• Dawn Laurette Caldwell, P.T.
• Joan Caldwell
• Katherine Caldwell, DC
• Mary Jane Call, PSY.D.
• Francisco Manuel Calles Garcia, M.D.
• Maureen E Callnan, PMHNP
• Calmbrook Residential Care LLC
• Fernando Herbert Calmet, M.D.

• Internal Medicine Physician in Portland, ME
• Providers in Portland, ME by specialty
• Internal Medicine Physician in Maine

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 4, 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.