Brian Guadagno, MD

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

257316 Issued in NY

Practice address

100 Broad St
Glens Falls, NY 12801-4349

Phone

(518) 792-2223

Fax

(518) 792-8231

NPI assigned

May 22, 2008

Last updated

Sep 29, 2026By the provider in NPPES

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 1

Electronic endpoints 5

Medicare fee-for-service enrollment

Enrolled in NY

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 MedicineAlso: Pediatric Medicine

Education

Other, 2006

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Hudson Headwaters Health NetworkGroup PAC ID 7416861208, 221 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• High Peaks Hospice and Palliative Care, Inc Hospice, Hudson Falls, NY, CCN 331531
• Glens Falls Hospital Hospital, Glens Falls, NY, CCN 330191
• Albany Medical Center Hospital Hospital, Albany, NY, CCN 330013
• Adirondack Medical Center - Saranac Lake Hospital, Saranac Lake, NY, CCN 330079

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: brian.guadagno.1@1823.direct.athenahealth.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.

• Hudson Headwaters Health Network

  • Primary Care Clinic/Center
  • Warrensburg, NY
  • NPI 1194738344

  Internal Medicine

  Medicare reassignment Care Compare group NPD
• Saratoga Hospital

  • Endocrinology, Diabetes & Metabolism Physician
  • Gansevoort, NY
  • NPI 1033371166
  Medicare reassignment NPD
• Hudson Headwaters Health Network

  • Primary Care Clinic/Center
  • Salem, NY
  • NPI 1982417119

  Pediatrics

  NPD
• Saratoga Hospital

  dba The Community Pharmacy at Saratoga Hospital

  • Community/Retail Pharmacy
  • Saratoga Springs, NY
  • NPI 1164148110
  NPD
• Saratoga Hospital

  • Family Medicine Physician
  • Saratoga SPGS, NY
  • NPI 1881924322

  Internal Medicine

  NPD
• Hudson Headwaters Health Network

  • Primary Care Clinic/Center
  • Champlain, NY
  • NPI 1245285170
  NPD (past)

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

• Adirondack Medical Center

  • General Acute Care Hospital
  • Saranac Lake, NY
  • NPI 1699709576
  Care Compare affiliation
• Adirondack Medical Center

  • General Acute Care Hospital
  • Saranac Lake, NY
  • NPI 1851601108
  Care Compare affiliation
• Albany Med Niskayuna Ambulatory Endoscopy and Surgery Center

  • Ambulatory Surgical Clinic/Center
  • Niskayana, NY
  • NPI 1154973071

  Hospital

  Care Compare affiliation
• Albany Medical Center Hospital

  • General Acute Care Hospital
  • Albany, NY
  • NPI 1376577247
  Care Compare affiliation
• Albany Medical Center Hospital

  • Clinical Medical Laboratory
  • Albany, NY
  • NPI 1700204641

  Hospital

  Care Compare affiliation
• Albany Medical Center Hospital

  • Radiology Clinic/Center
  • Albany, NY
  • NPI 1811448657

  Hospital

  Care Compare affiliation
• Albany Medical Center Hospital

  dba Albany Medical Center South Clinical Campus

  • General Acute Care Hospital
  • Albany, NY
  • NPI 1811917461
  Care Compare affiliation
• Glens Falls Hospital Inc

  • General Acute Care Hospital
  • Glens Falls, NY
  • NPI 1871606764
  Care Compare affiliation
• High Peaks Hospice and Palliative Care, Inc.

  • Community Based Hospice Care Agency
  • Hudson Falls, NY
  • NPI 1750442513
  Care Compare affiliation

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

{
    "created_epoch": "1211414400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1790640000000",
    "number": "1922266261",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "9 CAREY RD",
            "city": "QUEENSBURY",
            "state": "NY",
            "postal_code": "128047880",
            "telephone_number": "518-761-0300"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "100 BROAD ST",
            "city": "GLENS FALLS",
            "state": "NY",
            "postal_code": "128014349",
            "telephone_number": "518-792-2223",
            "fax_number": "518-792-8231"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "3767 Main St",
            "address_purpose": "LOCATION",
            "city": "Warrensburg",
            "state": "NY",
            "postal_code": "128851890",
            "country_code": "US",
            "telephone_number": "518-623-2844",
            "fax_number": "518-623-3416",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1299 Route 9",
            "address_purpose": "LOCATION",
            "city": "Gansevoort",
            "state": "NY",
            "postal_code": "128311560",
            "country_code": "US",
            "telephone_number": "518-761-6961",
            "fax_number": "518-761-1006",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "28 S Western Ave",
            "address_purpose": "LOCATION",
            "city": "Queensbury",
            "state": "NY",
            "postal_code": "128043323",
            "country_code": "US",
            "telephone_number": "518-798-6400",
            "fax_number": "518-798-4105",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "6223 State Route 9",
            "address_purpose": "LOCATION",
            "city": "Chestertown",
            "state": "NY",
            "postal_code": "128172823",
            "country_code": "US",
            "telephone_number": "518-494-2761",
            "fax_number": "518-494-3541",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "GUADAGNO",
        "first_name": "BRIAN",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2008-05-22",
        "last_updated": "2026-09-29",
        "certification_date": "2026-09-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NY",
            "license": "257316",
            "primary": true
        },
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "NY",
            "license": "257316",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "03237092",
            "state": "NY"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "brian.guadagno.1@1823.direct.athenahealth.com",
            "affiliation": "N",
            "address_1": "28 S Western Ave",
            "city": "Queensbury",
            "state": "NY",
            "country_code": "US",
            "postal_code": "128043323",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "brian.guadagno.1@1823.direct.athenahealth.com",
            "affiliation": "N",
            "address_1": "3767 Main St",
            "city": "Warrensburg",
            "state": "NY",
            "country_code": "US",
            "postal_code": "128851890",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "brian.guadagno.1@1823.direct.athenahealth.com",
            "affiliation": "N",
            "address_1": "1299 Route 9",
            "city": "Gansevoort",
            "state": "NY",
            "country_code": "US",
            "postal_code": "128311560",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "brian.guadagno.1@1823.direct.athenahealth.com",
            "affiliation": "N",
            "address_1": "6223 State Route 9",
            "city": "Chestertown",
            "state": "NY",
            "country_code": "US",
            "postal_code": "128172823",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "brian.guadagno.1@1823.direct.athenahealth.com",
            "affiliation": "N",
            "address_1": "100 Broad St",
            "city": "Glens Falls",
            "state": "NY",
            "country_code": "US",
            "postal_code": "128014349",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• James Scott Greenspan, MD
• Deidre Cottrell Grieve, LCSW-R
• Heather Lee Grieves, DPT,PT
• Therese Mary Griffin, RN
• Kristin J. Grund, LMSW
• Michael Gumuka, MD
• Amanda Gustafson, MS, RD, CDN
• Courtney Hafner, NPP
• Darlene Hafner
• Kelley Haggerty, LCSW

• Internal Medicine Physician in Glens Falls, NY
• Providers in Glens Falls, NY by specialty
• Internal Medicine Physician in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 29, 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.