Individual provider Active NPI

Joseph Lee Young, MD, PHD

  • Geriatric Medicine (Internal Medicine) Physician
  • Philadelphia, PA
National Provider Identifier
1558945709
Registry record updated Jul 24, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Geriatric Medicine (Internal Medicine) PhysicianTaxonomy code 207RG0300X
License
MD490415 Issued in PA
Practice address
3615 Chestnut St
Philadelphia, PA 19104-2612
Phone
(215) 964-7113
NPI assigned
May 12, 2021
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jul 24, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Student in an Organized Health Care Education/Training Program 390200000X
Geriatric Medicine (Internal Medicine) PhysicianGroup: 193200000X MULTI-SPECIALTY GROUP 207RG0300X MD490415 PA Primary

Addresses

Primary practice location

3615 Chestnut St
Philadelphia, PA 19104-2612

Mailing address

3400 Spruce St
Philadelphia, PA 19104-4238

Other practice location 1

3615 Chestnut St
Philadelphia, PA 19104-2612
Phone (215) 964-7113

Other practice location 2

3400 Spruce St
Philadelphia, PA 19104-4238
Phone (215) 823-4133

Medicare participation

Medicare enrollment files
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

Enrollment IDStateProvider typePAC IDDetails
I20250728002728 PA Practitioner - Internal Medicine 9335656016 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Other, 2021
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
University of Penn-Medical GroupGroup PAC ID 6204730955, 3,433 clinicians

Practice addresses (Care Compare)

3819 Chestnut St
Philadelphia, PA 19104-3171
Phone (215) 662-2746

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
MD490415PAMDGeriatric Medicine (Internal Medicine) Physician

Practice roles

OrganizationSpecialtyStatusNew patients
University of Penn-Medical Group Multi-Specialty CurrentSince Jul 1, 2025 Accepting new patients
University of Penn - Medical Group Multi-Specialty CurrentSince Jul 1, 2025 Accepting new patients
University of Penn - Medical Group Multi-Specialty Past Accepting new patients
Presbyterian Medical Center of the University of Pennsylvania Health S Past Accepting new patients

Locations

3615 Chestnut St
Philadelphia, PA 19104
Phone (215) 662-2746

3819 Chestnut St
Ste 205
Philadelphia, PA 19104
Phone (215) 662-2354

250 King of Prussia Rd
Radnor, PA 19087
Phone (610) 902-1800

800 Spruce St
William Penn Annex West, PA 19107
Phone (215) 829-3867

Organizations & group practices 4

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.

Hospital & facility affiliations 2

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": "1620777600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1753315200000",
    "number": "1558945709",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3400 SPRUCE ST",
            "city": "PHILADELPHIA",
            "state": "PA",
            "postal_code": "191044238"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3615 CHESTNUT ST",
            "city": "PHILADELPHIA",
            "state": "PA",
            "postal_code": "191042612",
            "telephone_number": "215-964-7113"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "3615 Chestnut St",
            "address_purpose": "LOCATION",
            "city": "Philadelphia",
            "state": "PA",
            "postal_code": "191042612",
            "country_code": "US",
            "telephone_number": "215-964-7113",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "3400 Spruce St",
            "address_purpose": "LOCATION",
            "city": "Philadelphia",
            "state": "PA",
            "postal_code": "191044238",
            "country_code": "US",
            "telephone_number": "215-823-4133",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "YOUNG",
        "first_name": "JOSEPH",
        "middle_name": "LEE",
        "credential": "MD, PHD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2021-05-12",
        "last_updated": "2025-07-24",
        "certification_date": "2025-07-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207RG0300X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Internal Medicine, Geriatric Medicine",
            "state": "PA",
            "license": "MD490415",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Philadelphia, PA

Sources for this page

Verify at the official NPI Registry.