Daniel M Horn, MD

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

251716 Issued in MA

Practice address

221 Crescent St Ste 202
Waltham, MA 02453-3425

Phone

(866) 849-0692

NPI assigned

May 27, 2010

Sex

Male

Sole proprietor

No

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

Specialties & licenses 15

Addresses

Medicare fee-for-service enrollment

Enrolled in MA, PA, TX, CO, TN, AL, FL, HI, AZ, IL, SC, OR, NC13 enrollments

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 13

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

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.

• Massachusetts General Physicians Organization Inc

  • Dermatology Physician
  • Boston, MA
  • NPI 1801874573

  Internal Medicine

  Medicare reassignment NPD
• The General Hospital Corporation

  • General Acute Care Hospital
  • Boston, MA
  • NPI 1023049236
  Medicare reassignment NPD
• Devoted Medical Group of Texas Inc

  • Primary Care Clinic/Center
  • Houston, TX
  • NPI 1982202800
  Medicare reassignment NPD
• Devoted Medical Group Professional Corporation

  • Primary Care Clinic/Center
  • Pembroke Pines, FL
  • NPI 1245838168

  AZ, CO, OR, TN

  Medicare reassignment NPD
• Devoted Medical NC PC

  • Primary Care Clinic/Center
  • Zirconia, NC
  • NPI 1295443554
  Medicare reassignment NPD
• Devoted Medical PA PC

  • Primary Care Clinic/Center
  • Philadelphia, PA
  • NPI 1114642683
  Medicare reassignment NPD
• Devoted Medical PC

  • Primary Care Clinic/Center
  • Chicago, IL
  • NPI 1467125203
  Medicare reassignment NPD
• Devoted Medical Group Inc

  • Primary Care Clinic/Center
  • Beachwood, OH
  • NPI 1609474527

  AL, HI, SC

  Medicare reassignment

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

{
    "created_epoch": "1274918400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1781136000000",
    "number": "1780903971",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 211699",
            "city": "EAGAN",
            "state": "MN",
            "postal_code": "551213699",
            "telephone_number": "866-849-0692"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "221 CRESCENT ST STE 202",
            "city": "WALTHAM",
            "state": "MA",
            "postal_code": "024533425",
            "telephone_number": "866-849-0692"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "15 Parkman Street",
            "address_2": "WAC 612",
            "address_purpose": "LOCATION",
            "city": "Boston",
            "state": "MA",
            "postal_code": "021143117",
            "country_code": "US",
            "telephone_number": "617-726-2374",
            "fax_number": "617-726-4495",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1055 Howell Mill Rd NW Fl 8",
            "address_purpose": "LOCATION",
            "city": "Atlanta",
            "state": "GA",
            "postal_code": "303185557",
            "country_code": "US",
            "telephone_number": "866-849-0692",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "HORN",
        "first_name": "DANIEL",
        "middle_name": "M",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2010-05-27",
        "last_updated": "2026-06-11",
        "certification_date": "2026-06-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "PA",
            "license": "MD484408",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "GA",
            "license": "100333",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "TX",
            "license": "U8885",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CO",
            "license": "DR.0072398",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "SC",
            "license": "91509",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "IL",
            "license": "036.168528",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "AL",
            "license": "MD.48112",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "HI",
            "license": "MD24268",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "OH",
            "license": "35C.001303",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "AZ",
            "license": "72732",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MA",
            "license": "251716",
            "primary": true
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NC",
            "license": "2024-01822",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "FL",
            "license": "ME166617",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "TN",
            "license": "70584",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "OR",
            "license": "MD218918",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Home Recovery Healthcare
• Home Touch Care Inc
• Michelle Homer, R.N.
• Katie Yurim Hong, PHARMD
• Elizabeth C. Hopkins, OTR/L
• Arthur Horne, ATC
• Arnold Zane Horowitz, LICSW
• Jennifer L. Horton, M.S.W.
• Emily Brooke Hotz, M.A., PSY.D.
• Elena Nicole Houlares

• Internal Medicine Physician in Waltham, MA
• Providers in Waltham, MA by specialty
• Internal Medicine Physician in Massachusetts

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