Individual provider Active NPI

Irini Youssef

  • Diagnostic Radiology Physician
  • Altoona, PA
National Provider Identifier
1841462819
Registry record updated Aug 25, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Diagnostic Radiology PhysicianTaxonomy code 2085R0202X
License
MD433565 Issued in PA
Practice address
620 Howard Ave
Altoona, PA 16601-4804
Phone
(814) 889-2226
NPI assigned
Mar 29, 2008
Last updated
Aug 25, 2026By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 25, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Diagnostic Radiology Physician 2085R0202X MD433565 PA Primary

Addresses

Primary practice location

620 Howard Ave
Altoona, PA 16601-4804

Mailing address

251 Bristol LN
Hollidaysburg, PA 16648-2938

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address iyoussef276604@upmc.direct-ci.com

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in PA, NY2 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 2

Enrollment IDStateProvider typePAC IDDetails
I20080616000558 PA Practitioner - Diagnostic Radiology 2062583263 Reassigns benefits to 1 organization
I20200219001084 NY Practitioner - Diagnostic Radiology 2062583263 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Diagnostic Radiology
Education
Other, 2001
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)

1400 9TH Ave
Altoona, PA 16602-2415
Phone (814) 941-8811

1414 9TH Ave
Blair Medical Assocs
Altoona, PA 16602-2415
Phone (814) 946-1655

152 Zeman Dr
Ebensburg, PA 15931-4130
Phone (814) 471-2233

620 Howard Ave
Altoona, PA 16601-4804
Phone (814) 889-6157

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
79.88 of 100Reported as group
Quality
62.63
Promoting interoperability
100
Improvement activities
40
Cost
70.3

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
302233NYMDLicensed Practical Nurse

Practice roles

OrganizationSpecialtyStatusNew patients
Upmc Altoona Regional Health Services, Inc Current Accepting new patients
White Plains Hospital Medical Center Current Accepting new patients
Upmc Altoona Regional Health Services, Inc Diagnostic Radiology CurrentSince Jan 1, 2015 Accepting new patients
White Plains Hospital Medical Center Nuclear Medicine CurrentSince Feb 7, 2020 Accepting new patients
White Plains Hospital Medical Center CurrentSince Feb 7, 2020 Accepting new patients

Locations

41 E Post Rd
White Plains, NY 10601
Phone (914) 681-1201

1414 9th Ave
Altoona, PA 16602
Phone (814) 949-7621

620 Howard Ave
Altoona, PA 16601
Phone (814) 889-2011

Interoperability endpoints

  • Direct secure messaging: irini.m.youssef@upmcdirect.com
  • Direct secure messaging: iyoussef276604@upmc.direct-ci.com

Organizations & group practices 6

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.

Hospital & facility affiliations 6

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

NPI Registry JSON

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

{
    "created_epoch": "1206748800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787616000000",
    "number": "1841462819",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "251 BRISTOL LN",
            "city": "HOLLIDAYSBURG",
            "state": "PA",
            "postal_code": "166482938"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "620 HOWARD AVE",
            "city": "ALTOONA",
            "state": "PA",
            "postal_code": "166014804",
            "telephone_number": "814-889-2226"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "YOUSSEF",
        "first_name": "IRINI",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2008-03-29",
        "last_updated": "2026-08-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "PA",
            "license": "MD433565",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "iyoussef276604@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": []
}

Other providers in Altoona, PA

Sources for this page

Verify at the official NPI Registry.