Surianarayanan Karthikeyan, MD

Primary specialty

Gastroenterology PhysicianTaxonomy code 207RG0100X

License

220745-1 Issued in NY

Practice address

321 8TH Ave N
Fargo, ND 58102-4550

Phone

(701) 234-2525

NPI assigned

Mar 8, 2007

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 2

Addresses

Other identifiers 6

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

Gastroenterology

Education

Other, 1979

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Physician Care PCGroup PAC ID 9032367453, 74 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Oswego Hospital Hospital, Oswego, NY, CCN 330218

Procedures performed for Medicare patients

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

• Physician Care PC

  dba Oswego Health Medical Practice

  • Internal Medicine Physician
  • Oswego, NY
  • NPI 1073868113
  Medicare reassignment Care Compare group NPD
• Canton-Potsdam Hospital

  • General Acute Care Hospital
  • Potsdam, NY
  • NPI 1568548782
  Medicare reassignment NPD
• Rochester General Hospital

  dba Rochester General Medical Groups

  • Family Medicine Physician
  • Rochester, NY
  • NPI 1356412712
  Medicare reassignment NPD
• The Unity Hospital of Rochester

  • General Acute Care Hospital
  • Rochester, NY
  • NPI 1760421713
  Medicare reassignment NPD
• Western New York Medical Practice P.C.

  • Family Medicine Physician
  • Rochester, NY
  • NPI 1063790608
  Medicare reassignment
• Canton-Potsdam Hospital

  • Medicare Defined Swing Bed Hospital Unit
  • Potsdam, NY
  • NPI 1114104445
  NPD
• Rochester General Hospital

  • Family Medicine Physician
  • Rochester, NY
  • NPI 1174990303
  NPD
• The Unity Hospital of Rochester

  dba Unity Physician Services

  • General Acute Care Hospital
  • Rochester, NY
  • NPI 1457395766
  NPD
• Western New York Medical Practice, PC

  • Orthopaedic Surgery Physician
  • Rochester, NY
  • NPI 1568868388
  NPD
• Gastroenterology Group of Rochester, LLP

  • Gastroenterology Physician
  • Rochester, NY
  • NPI 1366535940
  NPD (past)

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

• Oswego Hospital

  • General Acute Care Hospital
  • Oswego, NY
  • NPI 1871678458
  Care Compare affiliation

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

{
    "created_epoch": "1173312000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1738713600000",
    "number": "1881725836",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 5074",
            "city": "SIOUX FALLS",
            "state": "SD",
            "postal_code": "571175074"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "321 8TH AVE N",
            "city": "FARGO",
            "state": "ND",
            "postal_code": "581024550",
            "telephone_number": "701-234-2525"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "80 WEST AVENUE",
            "address_2": "SUITE 203",
            "address_purpose": "LOCATION",
            "city": "Brockport",
            "state": "NY",
            "postal_code": "144201229",
            "country_code": "US",
            "telephone_number": "585-637-8580",
            "fax_number": "585-637-0471",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "50 LeRoy St",
            "address_purpose": "LOCATION",
            "city": "Potsdam",
            "state": "NY",
            "postal_code": "136761799",
            "country_code": "US",
            "telephone_number": "315-261-4493",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "105 County Route 45A Ste 400",
            "address_purpose": "LOCATION",
            "city": "Oswego",
            "state": "NY",
            "postal_code": "131266673",
            "country_code": "US",
            "telephone_number": "315-312-0089",
            "fax_number": "315-312-0110",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "KARTHIKEYAN",
        "first_name": "SURIANARAYANAN",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2007-03-08",
        "last_updated": "2025-02-05",
        "certification_date": "2025-02-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "ND",
            "license": "21916",
            "primary": false
        },
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "NY",
            "license": "220745-1",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "02151857",
            "state": "NY"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "COMMUNITY BLUE",
            "identifier": "000526402002",
            "state": "NY"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BLUE CROSS BLUE SHIELD",
            "identifier": "P040220745",
            "state": "NY"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "AETNA",
            "identifier": "0004633179",
            "state": "NY"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "PREFERRED CARE",
            "identifier": "106259BT",
            "state": "NY"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BLUE CHOICE",
            "identifier": "P010220745",
            "state": "NY"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Jessica Karjalainen, MA LAC LADC
• Neil Steven Karjalainen, M.D.
• Nathaniel L Karlins, MD
• Thyra Karsky, NP
• Priya Karthikeyan
• Rachael F Kary, LBSW
• Heather C Kashmark
• Cassie Marie Kasowski I, LAC
• Carly Rose Kaspari, DNP
• Simon Robert Kasper

• Gastroenterology Physician in Fargo, ND
• Providers in Fargo, ND by specialty
• Gastroenterology Physician in North Dakota

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 5, 2025; 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.