John Michael Karamichalis, MD

Primary specialty

Thoracic Surgery (Cardiothoracic Vascular Surgery) PhysicianTaxonomy code 208G00000X

License

D0102612 Issued in MD

Practice address

3959 Broadway
New York, NY 10032-1559

Phone

(212) 305-0914

NPI assigned

Jul 13, 2007

Sex

Male

Sole proprietor

No

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

Specialties & licenses 3

Addresses

Other names 1

• Dr. Ioannis Michael Karamichalis Other name

Medicare fee-for-service enrollment

Enrolled in IN, NY, PA, MD4 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

Cardiac SurgeryAlso: Thoracic Surgery

Education

Other, 1993

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Merit-based Incentive Payment System (MIPS)

Final score

100 of 100Reported as apm

Quality

85.32

Promoting interoperability

100

Improvement activities

40

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Networks

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

Interoperability endpoints

• Direct secure messaging: john.karamichalis@direct.stjohnhealthsystem.com
• Direct secure messaging: ioannis.karamichalis.1@7598.direct.athenahealth.com
• FHIR API: https://epicproxy-pub.et1089.epichosted.com/FHIRProxy/api/FHIR/R4/
• Direct secure messaging: jkaramichalis1416001@direct.hopkinsmedicine.org
• FHIR API: https://epicproxy-pub.et1089.epichosted.com/FHIRProxy/api/FHIR/DSTU2/

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.

• Trustees of Columbia University in the City of New York

  • Surgery Physician
  • New York, NY
  • NPI 1508266347
  Medicare reassignment NPD
• Johns Hopkins University

  • Pain Medicine (Anesthesiology) Physician
  • Baltimore, MD
  • NPI 1922008549
  Medicare reassignment NPD
• St Vincent Pediatric Subspecialties

  • Pediatrics Physician
  • Indianapolis, IN
  • NPI 1013967736
  Medicare reassignment NPD
• STC Pediatrics LLC

  • Pediatric Emergency Medicine (Pediatrics) Physician
  • Philadelphia, PA
  • NPI 1144864547
  Medicare reassignment NPD
• Trustees of Columbia University in the City of New York

  • Internal Medicine Physician
  • New York, NY
  • NPI 1699289488
  NPD
• Johns Hopkins University

  • Ophthalmology Physician
  • Belcamp, MD
  • NPI 1376342774
  NPD
• Johns Hopkins University

  • Surgery Physician
  • Baltimore, MD
  • NPI 1780665315
  NPD
• St Vincent Pediatric Subspecialties

  • Pediatric Critical Care Medicine Physician
  • Evansville, IN
  • NPI 1851950224
  NPD
• STC Pediatrics LLC

  • Plastic Surgery Physician
  • Yardley, PA
  • NPI 1275177685
  NPD
• STC Pediatrics LLC

  • Ophthalmology Physician
  • Newtown, PA
  • NPI 1548141997
  NPD
• Barnabas Health Medical Group PC

  • Specialist
  • Elizabeth, NJ
  • NPI 1841557246
  NPD (past)
• The Children'S Center

  • Medical Specialty Clinic/Center
  • Bethany, OK
  • NPI 1881780450
  NPD (past)

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

{
    "created_epoch": "1184284800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1746489600000",
    "number": "1467651083",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6201 GREENLEIGH AVE FL 2",
            "city": "MIDDLE RIVER",
            "state": "MD",
            "postal_code": "212202004"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3959 BROADWAY",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100321559",
            "telephone_number": "212-305-0914"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "160 E Erie Ave",
            "address_purpose": "LOCATION",
            "city": "Philadelphia",
            "state": "PA",
            "postal_code": "191341011",
            "country_code": "US",
            "telephone_number": "215-427-4820",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "201 Lyons Ave",
            "address_purpose": "LOCATION",
            "city": "Newark",
            "state": "NJ",
            "postal_code": "071122027",
            "country_code": "US",
            "telephone_number": "973-926-7000",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1800 Orleans St",
            "address_purpose": "LOCATION",
            "city": "Baltimore",
            "state": "MD",
            "postal_code": "212870010",
            "country_code": "US",
            "telephone_number": "410-955-8893",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "KARAMICHALIS",
        "first_name": "JOHN",
        "middle_name": "MICHAEL",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-07-13",
        "last_updated": "2025-05-06",
        "certification_date": "2025-05-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208G00000X",
            "taxonomy_group": "",
            "desc": "Thoracic Surgery (Cardiothoracic Vascular Surgery)",
            "state": "NY",
            "license": "308870",
            "primary": false
        },
        {
            "code": "208G00000X",
            "taxonomy_group": "",
            "desc": "Thoracic Surgery (Cardiothoracic Vascular Surgery)",
            "state": "PA",
            "license": "MD485660",
            "primary": false
        },
        {
            "code": "208G00000X",
            "taxonomy_group": "",
            "desc": "Thoracic Surgery (Cardiothoracic Vascular Surgery)",
            "state": "MD",
            "license": "D0102612",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "IOANNIS",
            "last_name": "KARAMICHALIS",
            "middle_name": "MICHAEL",
            "prefix": "DR.",
            "credential": "MD",
            "code": "5",
            "type": "Other Name"
        }
    ]
}

• Mia Karam, DDS
• Suzi Karamacoski, RDN
• Eda Karamanci
• Deepa Karambelkar, M.D.
• Hansee Karamchandani
• Edisa Karamitri, D.D.S.
• Harry Karamitsos, MD
• Mariame Karamoko, LMSW
• Amanda Karampatsos, MD
• Lakshmipriya Karamsetty

• Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician in New York, NY
• Providers in New York, NY by specialty
• Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 6, 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.