Josue Diaz-Frias

Primary specialty

Adult Congenital Heart Disease PhysicianTaxonomy code 207RA0002X

License

MD491350 Issued in PA

Practice address

4401 Penn Ave
Pittsburgh, PA 15224-1334

Phone

(412) 692-5841

NPI assigned

Mar 30, 2016

Last updated

Oct 24, 2025By the provider in NPPES

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Other identifiers 4

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

Pediatric MedicineAlso: Cardiovascular Disease (Cardiology)

Education

Other, 2013

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 Children's Hospital of Pittsburgh Hospital, Pittsburgh, PA, CCN 393302

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: josue.diazfrias@upmcdirect.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.

• University of Pittsburgh Physicians

  • Gastroenterology Physician
  • Pittsburgh, PA
  • NPI 1619935004
  Medicare reassignment Care Compare group NPD
• University of Pittsburgh Physicians

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

  • Cardiovascular Disease Physician
  • Pittsburgh, PA
  • NPI 1568427532
  NPD
• Upmc Emergency Medicine Inc

  • Emergency Medicine Physician
  • Pittsburgh, PA
  • NPI 1891744041
  NPD (past)

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

• Upmc Children's Hospital of Pittsburgh

  • Ambulatory Surgical Clinic/Center
  • Pittsburgh, PA
  • NPI 1053476556

  Hospital

  Care Compare affiliation
• Upmc Children's Hospital of Pittsburgh

  • Children's Hospital
  • Pittsburgh, PA
  • NPI 1164426896
  Care Compare affiliation
• Upmc Children's Hospital of Pittsburgh

  dba UPMC Children's Hospital of Pittsburgh North

  • Ambulatory Surgical Clinic/Center
  • Sewickley, PA
  • NPI 1194889485

  Hospital

  Care Compare affiliation
• Upmc Children's Hospital of Pittsburgh

  • Ambulatory Surgical Clinic/Center
  • Pittsburgh, PA
  • NPI 1275658304

  Hospital

  Care Compare affiliation
• Upmc Children's Hospital of Pittsburgh

  • Children's Rehabilitation Hospital
  • Pittsburgh, PA
  • NPI 1619313350
  Care Compare affiliation

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

{
    "created_epoch": "1459296000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1761264000000",
    "number": "1871956664",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4401 PENN AVE STE 5140",
            "city": "PITTSBURGH",
            "state": "PA",
            "postal_code": "152241334",
            "telephone_number": "412-692-5841"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4401 PENN AVE",
            "city": "PITTSBURGH",
            "state": "PA",
            "postal_code": "152241334",
            "telephone_number": "412-692-5841"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DIAZ-FRIAS",
        "first_name": "JOSUE",
        "name_prefix": "Dr.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2016-03-30",
        "last_updated": "2025-10-24",
        "certification_date": "2025-10-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2080P0202X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Pediatric Cardiology",
            "state": "PA",
            "license": "MD491350",
            "primary": false
        },
        {
            "code": "207RA0002X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Adult Congenital Heart Disease",
            "state": "PA",
            "license": "MD491350",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "LICENSE",
            "identifier": "19074",
            "state": "NV"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "LICENSE",
            "identifier": "MD491350",
            "state": "PA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "LICENSE",
            "identifier": "4301502498",
            "state": "MI"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1871956664",
            "state": "NV"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "CHP@upmcdirect.com",
            "affiliation": "N",
            "address_1": "600 Grant St",
            "city": "Pittsburgh",
            "state": "PA",
            "country_code": "US",
            "postal_code": "152192702",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Paul Lewis Diana, MD
• Matthew David Diandreth, D.M.D.
• Diane Cares for You LLC
• Diane Johnson DPM
• Louella Dias, PH.D.
• Jessica Diaz-Rivera, MD
• Crystal Diaz
• Kathleen Susan Diaz, MS, LCGC
• Ann Louise Dibarry, APRN,BC
• Mary Dibasilio

• 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 Oct 24, 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.