NPIMap

Individual provider Active NPI

Alexander Duffy, MD

  • Otolaryngology Physician
  • Philadelphia, PA
National Provider Identifier
1639732464
Registry record updated Jan 16, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Otolaryngology PhysicianTaxonomy code 207Y00000X
License
MD490457 Issued in PA
Practice address
3509 N Broad St
Philadelphia, PA 19140-4105
Phone
(844) 570-1767
Fax
(215) 707-6676
NPI assigned
Apr 17, 2019
Last updated
Jan 16, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jan 16, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Otolaryngology Physician 207Y00000X MD490457 PA Primary

Addresses

Primary practice location

3509 N Broad St
Philadelphia, PA 19140-4105

Mailing address

3500 N Broad St RM 1a
Philadelphia, PA 19140-4106
Phone (215) 707-2433

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in SC, PA2 enrollments
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20241101003101 SC Practitioner - Otolaryngology 5496080111 Reassigns benefits to 1 organization
I20250827003085 PA Practitioner - Otolaryngology 5496080111 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Otolaryngology
Education
Temple University School of Medicine, 2019
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Temple Faculty Practice Plan IncGroup PAC ID 0345588711, 1,325 clinicians

Practice addresses (Care Compare)

3509 N Broad St
Philadelphia, PA 19140-4105
Phone (215) 707-8484

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
79.02 of 100Reported as group
Quality
62.41
Promoting interoperability
99
Improvement activities
40

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
MD490457PAMDOtolaryngology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
University Medical Associates of the Medical University of South Carol CurrentSince Jul 1, 2024 Accepting new patients
Temple Faculty Practice Plan Inc CurrentSince Jun 15, 2025 Accepting new patients
Temple Faculty Practice Plan, Inc CurrentSince Jun 15, 2025 Accepting new patients
Temple Faculty Practice Plan Inc Current Accepting new patients
University Medical Associates of the Medical University of South Carol CurrentSince Jul 1, 2024 Accepting new patients
Temple Faculty Practice Plan Inc Past Accepting new patients

Locations

3401 N Broad St
Philadelphia, PA 19140
Phone (215) 707-3807

3500 N Broad St
Rm 1A
Philadelphia, PA 19140
Phone (215) 707-2433

3509 N Broad St
Philadelphia, PA 19140
Phone (215) 707-2433

1077 Rydal Rd
Rydal, PA 19046
Phone (215) 707-7300

171 Ashley Ave
Charleston, SC 29425
Phone (843) 792-2123

Interoperability endpoints

  • Direct secure messaging: aduffy475249@direct.musc.edu

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 9

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": "1555459200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1768521600000",
    "number": "1639732464",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3500 N BROAD ST RM 1A",
            "city": "PHILADELPHIA",
            "state": "PA",
            "postal_code": "191404106",
            "telephone_number": "215-707-2433"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3509 N BROAD ST",
            "city": "PHILADELPHIA",
            "state": "PA",
            "postal_code": "191404105",
            "telephone_number": "844-570-1767",
            "fax_number": "215-707-6676"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DUFFY",
        "first_name": "ALEXANDER",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2019-04-17",
        "last_updated": "2026-01-16",
        "certification_date": "2026-01-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Y00000X",
            "taxonomy_group": "",
            "desc": "Otolaryngology",
            "state": "PA",
            "license": "MD490457",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Philadelphia, PA

Sources for this page

Verify at the official NPI Registry.