Evan James Callahan, DO

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

40056 Issued in NH

Practice address

80 Highland St
Laconia, NH 03246-3235

Phone

(603) 524-3211

Fax

(603) 227-7574

NPI assigned

Jun 19, 2023

Last updated

Aug 11, 2026By the provider in NPPES

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 2

Addresses

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in PA

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

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

State licenses

Practice roles

Locations

Interoperability endpoints

• FHIR API: https://api.platform.athenahealth.com/10044/brand/1/csg/1/fhir/r4
• FHIR API: https://fhir-usa.unify.chbase.com/org/corrymh-73713d5f

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.

• Corry Memorial Hospital Association

  • Critical Access Hospital
  • Corry, PA
  • NPI 1255788014
  Medicare reassignment NPD
• Corry Memorial Hospital Association

  dba Corry Memorial Hospital

  • Critical Access Hospital
  • Corry, PA
  • NPI 1841268877
  Medicare reassignment NPD
• Corry Memorial Hospital Association

  dba Corry Memorial Hospital Rural Health Clinic

  • Rural Health Clinic/Center
  • Corry, PA
  • NPI 1124406376
  NPD

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

{
    "created_epoch": "1687132800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1786406400000",
    "number": "1184309122",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "250 PLEASANT ST",
            "city": "CONCORD",
            "state": "NH",
            "postal_code": "033012598",
            "telephone_number": "603-227-7000",
            "fax_number": "603-230-7405"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "80 HIGHLAND ST",
            "city": "LACONIA",
            "state": "NH",
            "postal_code": "032463235",
            "telephone_number": "603-524-3211",
            "fax_number": "603-227-7574"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "5515 Peach St",
            "address_purpose": "LOCATION",
            "city": "Erie",
            "state": "PA",
            "postal_code": "165092695",
            "country_code": "US",
            "telephone_number": "814-868-8294",
            "fax_number": "814-868-2489",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "15 Aiken Ave",
            "address_purpose": "LOCATION",
            "city": "Franklin",
            "state": "NH",
            "postal_code": "032351259",
            "country_code": "US",
            "telephone_number": "603-934-2060",
            "fax_number": "603-934-5524",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "CALLAHAN",
        "first_name": "EVAN",
        "middle_name": "JAMES",
        "credential": "DO",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2023-06-19",
        "last_updated": "2026-08-11",
        "certification_date": "2026-08-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "PA",
            "license": "OT022669",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NH",
            "license": "40056",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "ecallahan@crhc.cernerdirect.com",
            "affiliation": "N",
            "endpointDescription": "Concord Hospital direct email access",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "CCDA",
            "address_1": "80 Highland St",
            "city": "Laconia",
            "state": "NH",
            "country_code": "US",
            "postal_code": "032463235",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Jenny Sue Burns, APRN
• Jessica Butler, SLP
• Lydia Butner, LPC
• Rebecca Butt, SLP
• Nicole Buttermore
• Stephany F Cameron, BA
• Jessie Cannon
• Anna Grace Carey
• Sara Willis Carmichael, SLP-CCC
• Carol a Brody (Lakes Region Nursing Care and Comfort, LLC)

• Internal Medicine Physician in Laconia, NH
• Providers in Laconia, NH by specialty
• Internal Medicine Physician in New Hampshire

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 11, 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.