Kenneth A Nizza, D.O.

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

OS013670 Issued in PA

Practice address

1 Elliot Way
Manchester, NH 03103-3599

Phone

(603) 669-5300

NPI assigned

Jul 4, 2006

Last updated

Feb 23, 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 8

Medicare fee-for-service enrollment

Enrolled in PA, NH, VT, ME4 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 4

Specialty

Internal Medicine

Education

Other, 2003

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Elliot Professional ServicesGroup PAC ID 6103727920, 429 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Elliot Hospital Hospital, Manchester, NH, CCN 300012

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: knizza143006@direct.solutionhealth.org
• Direct secure messaging: knizza506395@direct.uvmhealth.org

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.

• Elliot Professional Services

  • Internal Medicine Physician
  • Manchester, NH
  • NPI 1285627935
  Medicare reassignment Care Compare group NPD
• Catholic Medical Center

  • General Acute Care Hospital
  • Manchester, NH
  • NPI 1427154335
  Medicare reassignment NPD
• Speare Memorial Hospital

  dba Speare Hospitalist Program

  • General Practice Physician
  • Plymouth, NH
  • NPI 1346402047
  Medicare reassignment NPD
• Allegheny Clinic

  dba AHN-Primary Care Bethel Park

  • Family Medicine Physician
  • Bethel Park, PA
  • NPI 1073081493
  Medicare reassignment NPD
• Apogee Medical Group of Pennsylvania PC

  • Internal Medicine Physician
  • Scottsdale, AZ
  • NPI 1568633535

  PA

  Medicare reassignment NPD
• Central Vermont Medical Center Inc

  • Family Medicine Physician
  • Berlin, VT
  • NPI 1023028784

  Internal Medicine

  Medicare reassignment NPD
• DLP Conemaugh Physician Practices LLC

  dba Conemaugh Physician Group Cresson

  • Family Medicine Physician
  • Cresson, PA
  • NPI 1932515905
  Medicare reassignment NPD
• Gifford Medical Center Inc

  • Critical Access Hospital
  • Randolph, VT
  • NPI 1730199647
  Medicare reassignment NPD
• Gifford Medical Center Inc.

  • General Acute Care Hospital
  • Randolph, VT
  • NPI 1942329446
  Medicare reassignment NPD
• Hospital Medicine Services of Maine LLC

  • Hospitalist Physician
  • Ellsworth, ME
  • NPI 1538638432
  Medicare reassignment NPD
• Maine Medical Services LLC

  • Hospitalist Physician
  • Ellsworth, ME
  • NPI 1053878371

  Internal Medicine

  Medicare reassignment NPD
• Upmc Altoona

  dba Altoona Emergency Physicians

  • General Acute Care Hospital
  • Altoona, PA
  • NPI 1497831655
  Medicare reassignment NPD

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

• Elliot Hospital of the City of Manchester

  • General Acute Care Hospital
  • Manchester, NH
  • NPI 1902996028
  Care Compare affiliation

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

{
    "created_epoch": "1151971200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1771804800000",
    "number": "1578593547",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1 ELLIOT WAY",
            "city": "MANCHESTER",
            "state": "NH",
            "postal_code": "031033502",
            "telephone_number": "603-669-5300"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1 ELLIOT WAY",
            "city": "MANCHESTER",
            "state": "NH",
            "postal_code": "031033599",
            "telephone_number": "603-669-5300"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "NIZZA",
        "first_name": "KENNETH",
        "middle_name": "A",
        "credential": "D.O.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-07-04",
        "last_updated": "2026-02-23",
        "certification_date": "2026-02-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "PA",
            "license": "OS013670",
            "primary": true
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "PA",
            "license": "OS013670",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "KEYSTONE MERCY",
            "identifier": "30035928",
            "state": "PA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BCBS",
            "identifier": "1892624",
            "state": "PA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "AMERICHOICE",
            "identifier": "10168215001",
            "state": "PA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "CIGNA",
            "identifier": "5398144",
            "state": "PA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "AETNA HMO",
            "identifier": "1351474",
            "state": "PA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BCBS",
            "identifier": "2757672000",
            "state": "PA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "AETNA",
            "identifier": "7394821",
            "state": "PA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1016821500001",
            "state": "PA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Myra Jean Nikitas, RDH
• Nile Medical Rider LLC
• Ryan Nitz, BS
• Robert Davis Nitzschke, L.M.T.
• Elias Muchuma Niva, MSW
• NK Counseling, PLLC
• Cyrus B Noble, MD
• Todd A. Noce, D.O.
• Cecilia Noel, RN
• Marzanna Nogaj, DDS

• Internal Medicine Physician in Manchester, NH
• Providers in Manchester, 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 Feb 23, 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.