Ioannis Konstantinidis, MD

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

MD473260 Issued in PA

Practice address

3459 5TH Ave
Pittsburgh, PA 15213-3236

Phone

(412) 692-2210

NPI assigned

Apr 3, 2015

Sex

Male

Sole proprietor

No

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

Specialties & licenses 4

Addresses

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in PA

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

Pulmonary DiseaseAlso: Critical Care (Intensivists), Internal Medicine

Education

Other, 2015

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

University of Pittsburgh PhysiciansGroup PAC ID 8729990239, 4,166 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Upmc Presbyterian Shadyside Hospital, Pittsburgh, PA, CCN 390164

Merit-based Incentive Payment System (MIPS)

Final score

80.94 of 100Reported as group

Quality

61.89

Promoting interoperability

100

Improvement activities

40

Cost

74.58

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: ikonstantinidis141872@upmc.direct-ci.com
• Direct secure messaging: ioannis.konstantinidis@upmcdirect.com

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.

• University of Pittsburgh Physicians

  • Gastroenterology Physician
  • Pittsburgh, PA
  • NPI 1619935004
  Medicare reassignment Care Compare group NPD
• Susquehanna Physician Services

  • Pulmonary Disease Physician
  • Williamsport, PA
  • NPI 1083677868

  Critical Care Medicine

  Medicare reassignment NPD
• Susquehanna Physician Services

  • Radiology Clinic/Center
  • Mansfield, PA
  • NPI 1073361564
  NPD
• University of Pittsburgh Physicians

  • Diagnostic Radiology Physician
  • Pittsburgh, PA
  • NPI 1285692699
  NPD
• University of Pittsburgh Physicians

  • Pulmonary Disease Physician
  • Pittsburgh, PA
  • NPI 1811955230
  NPD

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

• Upmc Presbyterian Shadyside

  • Ambulatory Surgical Clinic/Center
  • Pittsburgh, PA
  • NPI 1144384082

  Hospital

  Care Compare affiliation
• Upmc Presbyterian Shadyside

  • Methadone Clinic
  • Pittsburgh, PA
  • NPI 1518089200

  Hospital

  Care Compare affiliation
• Upmc Presbyterian Shadyside

  • Psychiatric Hospital Unit
  • Pittsburgh, PA
  • NPI 1750390134
  Care Compare affiliation
• Upmc Presbyterian Shadyside

  • General Acute Care Hospital
  • Pittsburgh, PA
  • NPI 1821007881
  Care Compare affiliation

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

{
    "created_epoch": "1428019200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1786060800000",
    "number": "1689069841",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3459 5TH AVE",
            "city": "PITTSBURGH",
            "state": "PA",
            "postal_code": "152133236",
            "telephone_number": "412-692-2210"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3459 5TH AVE",
            "city": "PITTSBURGH",
            "state": "PA",
            "postal_code": "152133236",
            "telephone_number": "412-692-2210"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KONSTANTINIDIS",
        "first_name": "IOANNIS",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2015-04-03",
        "last_updated": "2026-08-07",
        "certification_date": "2021-04-01",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "PA",
            "license": "MT216588",
            "primary": false
        },
        {
            "code": "207RC0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Critical Care Medicine",
            "state": "PA",
            "license": "MD473260",
            "primary": false
        },
        {
            "code": "207RP1001X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Pulmonary Disease",
            "state": "PA",
            "license": "MD473260",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "PA",
            "license": "MD473260",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "ikonstantinidis141872@upmc.direct-ci.com",
            "affiliation": "N",
            "address_1": "600 Grant St",
            "address_2": "Floor 58",
            "city": "Pittsburgh",
            "state": "PA",
            "country_code": "US",
            "postal_code": "152192702",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Niwen Kong, MD
• Caitlin Konieczka
• Iris Rebecca Konieczka, LPC
• Jessia Patella Konig, DOULA
• Nisa Konstantin-Raz, LCSW
• Susan S Kontrik, RPH
• Angela Patricia Koo Chong, MD
• Sheida Koohsari, MD
• Charles Koontz
• Kristin L. Koontz, PA

• Internal Medicine Physician in Pittsburgh, PA
• Providers in Pittsburgh, PA by specialty
• Internal Medicine Physician in Pennsylvania

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 7, 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.