Matthew Bonner McLain, ACNP-BC

Primary specialty

Acute Care Nurse PractitionerTaxonomy code 363LA2100X

License

431441 Issued in NY

Practice address

50 Leroy St
Potsdam, NY 13676-1786

Phone

(315) 265-3300

NPI assigned

Sep 2, 2013

Last updated

Jan 14, 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 5

Addresses

Medicare fee-for-service enrollment

Enrolled in AL, NY, ME, CT4 enrollments

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: No

Green means eligible to order or refer.

Enrollment records 4

Specialty

Nurse Practitioner

Education

Other, 2013

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Massena Hospital IncGroup PAC ID 1456781491, shared by 3 NPIs, 45 clinicians

River Hospital IncGroup PAC ID 2567372899, 36 clinicians

Emergency Physician Services of New York, P.C.Group PAC ID 8325939804, 128 clinicians

Canton-Potsdam HospitalGroup PAC ID 6204827280, 243 clinicians

Hospitalist Medicine Physicians of Connecticut - TCSGroup PAC ID 8729449541, 15 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Canton-Potsdam Hospital Hospital, Potsdam, NY, CCN 330197
• River Hospital Clinics Hospital, Alexandria Bay, NY, CCN 331309
• River Hospital Clinics Nursing home, CCN 33Z309

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Canton-Potsdam Hospital

  • General Acute Care Hospital
  • Potsdam, NY
  • NPI 1568548782
  Medicare reassignment Care Compare group NPD
• Emergency Physician Services of New York, P.C.

  • Emergency Medicine Physician
  • Poughkeepsie, NY
  • NPI 1093759847
  Medicare reassignment Care Compare group NPD
• River Hospital, Inc.

  • Critical Access Hospital
  • Alexandria Bay, NY
  • NPI 1003814641
  Medicare reassignment Care Compare group NPD
• Hospitalist Medicine Physicians of Connecticut - TCS

  • Internal Medicine Physician
  • Manchester, CT
  • NPI 1831712256
  Medicare reassignment Care Compare group NPD
• Carthage Area Hospital Inc

  • Critical Access Hospital
  • Carthage, NY
  • NPI 1053497388
  Medicare reassignment NPD
• Delphi Healthcare PLLC

  • Emergency Medicine Physician
  • Rochester, NY
  • NPI 1003075029

  Nurse Practitioner

  Medicare reassignment NPD
• Delphi Hospitalist Services LLC

  • Hospitalist Physician
  • Rochester, NY
  • NPI 1922270420
  Medicare reassignment NPD
• Massena Hospital Inc

  • Critical Access Hospital
  • Massena, NY
  • NPI 1972604460
  Medicare reassignment NPD
• Apogee Medical Group, New York, PC

  • Internal Medicine Physician
  • Scottsdale, AZ
  • NPI 1841520236

  NY

  Medicare reassignment NPD
• University of Alabama Health Services Foundation, PC.

  • Multi-Specialty Clinic/Center
  • Birmingham, AL
  • NPI 1093768723
  Medicare reassignment NPD
• Canton-Potsdam Hospital

  • Medicare Defined Swing Bed Hospital Unit
  • Potsdam, NY
  • NPI 1114104445
  NPD
• Carthage Area Hospital Inc

  • End-Stage Renal Disease (ESRD) Treatment Clinic/Center
  • Ogdensburg, NY
  • NPI 1013759166
  NPD

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

• Canton-Potsdam Hospital

  • General Acute Care Hospital
  • Potsdam, NY
  • NPI 1568548782
  Care Compare affiliation
• River Hospital, Inc.

  • Critical Access Hospital
  • Alexandria Bay, NY
  • NPI 1003814641
  Care Compare affiliation
• River Hospital, Inc.

  • Medicare Defined Swing Bed Hospital Unit
  • Alexandria Bay, NY
  • NPI 1821022781
  Care Compare affiliation

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

{
    "created_epoch": "1378080000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1768348800000",
    "number": "1063846525",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "50 LEROY ST",
            "city": "POTSDAM",
            "state": "NY",
            "postal_code": "136761786",
            "telephone_number": "315-265-3300",
            "fax_number": "315-261-6410"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "50 LEROY ST",
            "city": "POTSDAM",
            "state": "NY",
            "postal_code": "136761786",
            "telephone_number": "315-265-3300"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "134 N 4th St",
            "address_purpose": "LOCATION",
            "city": "Brooklyn",
            "state": "NY",
            "postal_code": "112493296",
            "country_code": "US",
            "telephone_number": "215-585-2144",
            "fax_number": "267-780-7032",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "888 Swift Blvd",
            "address_purpose": "LOCATION",
            "city": "Richland",
            "state": "WA",
            "postal_code": "993523514",
            "country_code": "US",
            "telephone_number": "509-946-4611",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MCLAIN",
        "first_name": "MATTHEW",
        "middle_name": "BONNER",
        "credential": "ACNP-BC",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2013-09-02",
        "last_updated": "2026-01-14",
        "certification_date": "2026-01-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "NY",
            "license": "431441",
            "primary": false
        },
        {
            "code": "363LA2100X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Acute Care",
            "state": "AL",
            "license": "1-106178",
            "primary": false
        },
        {
            "code": "363LA2100X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Acute Care",
            "state": "CT",
            "license": "011504",
            "primary": false
        },
        {
            "code": "363LA2100X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Acute Care",
            "state": "WA",
            "license": "AP61314864",
            "primary": false
        },
        {
            "code": "363LA2100X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Acute Care",
            "state": "NY",
            "license": "431441",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Sarah Marie McCargar, RN
• Kimberly McCarthy
• Rebecca Anne McCormick
• Jennifer Stitt McDonald, PT, DPT, MS
• Steven McFadden, LMHC
• Emily Rose McNally, DOCTOR OF PHARMACY
• Meacham Chiropractic PLLC
• Cole Michael Meacham, DC
• Sana Mehmood, RPH
• Claudia L Meneses, WHNP

• Acute Care Nurse Practitioner in Potsdam, NY
• Providers in Potsdam, NY by specialty
• Acute Care Nurse Practitioner in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 14, 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.