Mark William Guelzow, MD

Primary specialty

Family Medicine PhysicianTaxonomy code 207Q00000X

License

301689 Issued in NY

Practice address

4101 Medical Center Dr Ste 1C
Fayetteville, NY 13066-6600

Phone

(315) 637-7878

NPI assigned

Jun 8, 2016

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

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

Family Practice

Education

Other, 2016

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

CHS Physician Partners PCGroup PAC ID 7618955667, 739 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Catholic Home Care Home health agency, Farmingdale, NY, CCN 337147
• Tender Loving Care, an Amedisys Company Home health agency, Medford, NY, CCN 337260
• Good Samaritan Hospital Medical Center Hospital, West Islip, NY, CCN 330286
• St Charles Hospital Hospital, Port Jefferson, NY, CCN 330246
• Suny/Stony Brook University Hospital Hospital, Stony Brook, NY, CCN 330393
• St Catherine of Siena Hospital Hospital, Smithtown, NY, CCN 330401

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Networks

• Healthfirst Medicare Network H9678
• Healthfirst Medicare Network H1722
• Healthfirst Medicare Network H3359
• Healthfirst Medicare Network H5989

Interoperability endpoints

• Direct secure messaging: mguelzow134425@direct-chsli.net

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.

• CHS Physician Partners, PC

  • Interventional Cardiology Physician
  • Fresh Meadows, NY
  • NPI 1407089345
  Medicare reassignment Care Compare group NPD
• St Josephs Medical PC

  • Family Medicine Physician
  • Liverpool, NY
  • NPI 1942501747
  Medicare reassignment NPD
• CHS Physician Partners, P.C

  • Cardiovascular Disease Physician
  • Roslyn, NY
  • NPI 1164585725
  NPD
• CHS Physician Partners, PC

  • Family Medicine Physician
  • Bellmore, NY
  • NPI 1720334527
  NPD
• North Medical PC

  • Family Medicine Physician
  • Liverpool, NY
  • NPI 1972563070
  NPD

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

• Good Samaritan Hospital Medical Center

  • General Acute Care Hospital
  • West Islip, NY
  • NPI 1902865355
  Care Compare affiliation
• Nursing Sisters Home Care, Inc.

  • Home Health Agency
  • Farmingdale, NY
  • NPI 1780670711
  Care Compare affiliation
• St Charles Hospital Corp

  • General Acute Care Hospital
  • Port Jefferson, NY
  • NPI 1164481529
  Care Compare affiliation
• St. Catherine of Siena Medical Center

  • General Acute Care Hospital
  • Smithtown, NY
  • NPI 1982663423
  Care Compare affiliation
• Tender Loving Care Health Care Services of Nassau Suffolk, LLC

  • Home Health Agency
  • Medford, NY
  • NPI 1699715961
  Care Compare affiliation
• University Hospital at Stony Brook

  • General Acute Care Hospital
  • Southampton, NY
  • NPI 1033224704
  Care Compare affiliation
• University Hospital at Stony Brook

  • General Acute Care Hospital
  • Southampton, NY
  • NPI 1225507114
  Care Compare affiliation
• University Hospital at Stony Brook

  • Land Ambulance
  • Stony Brook, NY
  • NPI 1306620588

  Hospital

  Care Compare affiliation
• University Hospital at Stony Brook

  • General Acute Care Hospital
  • Greenport, NY
  • NPI 1881690691
  Care Compare affiliation
• University Hospital at Stony Brook

  • Clinic/Center
  • Greenport, NY
  • NPI 1932466604

  Hospital

  Care Compare affiliation
• University Hospital at Stony Brook

  • General Acute Care Hospital
  • Stony Brook, NY
  • NPI 1972523348
  Care Compare affiliation

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

{
    "created_epoch": "1465344000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1625270400000",
    "number": "1124477484",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "8 ROWLEY DR",
            "city": "NORTHPORT",
            "state": "NY",
            "postal_code": "117683244",
            "telephone_number": "561-523-3216"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4101 MEDICAL CENTER DR STE 1C",
            "city": "FAYETTEVILLE",
            "state": "NY",
            "postal_code": "130666600",
            "telephone_number": "315-637-7878"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "301 Prospect Ave",
            "address_2": "Medical Education",
            "address_purpose": "LOCATION",
            "city": "Syracuse",
            "state": "NY",
            "postal_code": "132031807",
            "country_code": "US",
            "telephone_number": "315-448-5536",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "GUELZOW",
        "first_name": "MARK",
        "middle_name": "WILLIAM",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2016-06-08",
        "last_updated": "2021-07-03",
        "certification_date": "2021-07-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "NY",
            "license": "301689",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Brett B Greenky, M.D.
• David Arthur Greenway, DDS
• Linda F Greytak, LCSW
• Kira Lee-Lin Gridley, FNP-C
• Amy Beth Gross, PH.D.
• David Nagel Hammack, P.A.
• Ann M. Hardt, MSPT
• Devyn Leigh Hardy, FNP-C
• Heidi Lynn Hardy, RPH
• Harmony Counseling Cny

• Family Medicine Physician in Fayetteville, NY
• Providers in Fayetteville, NY by specialty
• Family Medicine Physician in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 3, 2021; 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.