Antonios Katsigiannis, M.D.

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

035140 Issued in CT

Practice address

90 Morgan St
Suite 101
Stamford, CT 06905-5466

Phone

(203) 323-8437

Fax

(203) 327-4628

NPI assigned

Nov 3, 2006

Last updated

Oct 21, 2019By the provider in NPPES

Sex

Male

Sole proprietor

Yes

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 CT

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 Medicine

Education

New York Medical College, 1993

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Practice addresses (Care Compare)

Hospital & facility affiliations

• Greenwich Hospital Association - Hospital, Greenwich, CT, CCN 070018
• Stamford Hospital Hospital, Stamford, CT, CCN 070006
• St Vincent's Medical Center Hospital, Bridgeport, CT, CCN 070028

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: akatsigiannis6452@direct.ynhh.org
• Direct secure messaging: antonios.katsigiannis.1@15435.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.

• Connecticut Health Care Consultants, PC

  • Internal Medicine Physician
  • Stamford, CT
  • NPI 1700034535
  Medicare reassignment NPD Authorized official

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

• Greenwich Hospital

  • General Acute Care Hospital
  • Greenwich, CT
  • NPI 1609846088
  Care Compare affiliation
• Stamford Hospital

  • General Acute Care Hospital
  • Stamford, CT
  • NPI 1356331425
  Care Compare affiliation
• SVMC Holdings, Inc

  • General Acute Care Hospital
  • Bridgeport, CT
  • NPI 1942224696
  Care Compare affiliation

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

{
    "created_epoch": "1162512000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1571616000000",
    "number": "1629157276",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "90 MORGAN ST",
            "address_2": "STE 101-102",
            "city": "STAMFORD",
            "state": "CT",
            "postal_code": "069055466",
            "telephone_number": "203-323-8437",
            "fax_number": "203-327-4628"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "90 MORGAN ST",
            "address_2": "SUITE 101",
            "city": "STAMFORD",
            "state": "CT",
            "postal_code": "069055466",
            "telephone_number": "203-323-8437",
            "fax_number": "203-327-4628"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KATSIGIANNIS",
        "first_name": "ANTONIOS",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2006-11-03",
        "last_updated": "2019-10-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CT",
            "license": "035140",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Carolyn M Kasov, NP
• Cassandra Paige Kassel, BCBA
• Katelyn Lieb ND LLC
• Nasreen Kathrada, MBCHB
• Maria Katsetos
• Jenna Katt, FNP-C
• Debbie Katz, MSW, LCSW
• Isabel M. Katz, M.A.P.T.
• Mariel Jana Katz, MD
• Milana Katz, DDS

• Internal Medicine Physician in Stamford, CT
• Providers in Stamford, CT by specialty
• Internal Medicine Physician in Connecticut

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 21, 2019; 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.