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ALEXANDER DUFFY MD
NPI 1639732464
Otolaryngology in Philadelphia, PA

Active since April 17, 2019PECOS EnrolledAccepts Medicare Assignment
3509 N BROAD ST, PHILADELPHIA, PA 19140(844) 570-1767(215) 707-6676 Get Directions Write a Review

NPPES record last updated: January 16, 2026. Verified against the NPPES registry weekly; last sync: September 06, 2026.

Record update history: Jan 16, 2026, Aug 6, 2024, Apr 17, 2019 (3 updates tracked since 2019).

About Alexander Duffy Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ALEXANDER DUFFY MD (NPI 1639732464) is an individual otolaryngology provider in Philadelphia, Pennsylvania, licensed in Pennsylvania (MD490457) and active in the NPI registry since April 2019. He is enrolled in Medicare PECOS, is affiliated with Temple University Hospital, and is a graduate of Temple University School Of Medicine (2019).

NPPES Registry Identity

NPI1639732464
Entity TypeIndividualMale
Primary Taxonomy207Y00000X
Provider Legal NameALEXANDER DUFFYCredential: MD
Location Address3509 N BROAD STPhiladelphia, PA 19140-4105
Mailing Address3500 N Broad St Rm 1aPhiladelphia, PA 19140-4106 · (215) 707-2433
Phone(844) 570-1767
Fax(215) 707-6676
Sole ProprietorNo
Medical School CMSTemple University School Of MedicineGraduated 2019
Enumeration DateApril 17, 2019
Last NPPES UpdateJanuary 16, 20263 updates tracked since enumeration
NPPES CertifiedJanuary 16, 2026
✔ NPI 1639732464 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOtolaryngologyAllopathic & Osteopathic Physicians
Taxonomy Code207Y00000X
License✔ Licensed in PA · MD490457
Definition
An otolaryngologist-head and neck surgeon provides comprehensive medical and surgical care for patients with diseases and disorders that affect the ears, nose, throat, the respiratory and upper alimentary systems and related structures of the head and neck. An otolaryngologist diagnoses and provides medical and/or surgical therapy or prevention of diseases, allergies, neoplasms, deformities, disorders and/or injuries of the ears, nose, sinuses, throat, respiratory and upper alimentary systems, face, jaws and the other head and neck systems. Head and neck oncology, facial plastic and reconstructive surgery and the treatment of disorders of hearing and voice are fundamental areas of expertise.
3509 N BROAD ST, Philadelphia, PA 19140
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Alexander Duffy Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5496080111
PECOS Enrollment IDI20250827003085
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Temple University Hospital

Acute Care Hospitals · Philadelphia, PA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number390027
Location3401 North Broad StreetPhiladelphia, PA 19140 · Philadelphia County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 19140 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$137.17 typical visit price
range $59.88 – $180.99
Typical copayment $34.29 (range $14.97 – $45.24)
Most-billed visit code 99204
Established Patient
$74.47 typical visit price
range $19.30 – $147.29
Typical copayment $18.61 (range $4.82 – $36.82)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

KEWAL KRISHAN MD
Thoracic Surgery (Cardiothoracic Vascular Surgery)
3509 N BROAD ST
PHILADELPHIA, PA 19140
Philadelphia County (215) 707-8484
KURT KUNZ M.D.
Internal Medicine
3509 N BROAD ST, SUITE 226
PHILADELPHIA, PA 19140
Philadelphia County (267) 512-4313
TEMPLE UNIVERSITY OF THE COMMONWEALTH SYSTEM OF HIGHER EDUCATION
Psychiatry & Neurology (Neurology)
3509 N BROAD ST, FL 6 EAST TUCMC
PHILADELPHIA, PA 19140
Philadelphia County (215) 707-6613
ROSHANI NARENDRAKUMAR PATEL PA-C
Physician Assistant
3509 N BROAD ST
PHILADELPHIA, PA 19140
Philadelphia County (215) 707-8484
DR. CHRISTOPHER WILLIAM AHMED MD
Ophthalmology
3509 N BROAD ST
PHILADELPHIA, PA 19140
Philadelphia County (800) 836-7536
RICHARD TIM LACHMAN MD
Psychiatry & Neurology (Neurology)
3509 N BROAD ST
PHILADELPHIA, PA 19140
Philadelphia County (215) 707-3040
TEMPLE FACULTY PRACTICE PLAN, INC
Otolaryngology
3509 N BROAD ST
PHILADELPHIA, PA 19140
Philadelphia County (215) 707-3663
EROS M LEOTTA MD
Thoracic Surgery (Cardiothoracic Vascular Surgery)
3509 N BROAD ST
PHILADELPHIA, PA 19140
Philadelphia County (215) 707-8484

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Alexander Duffy's NPI number?

The NPI number for Alexander Duffy is 1639732464. It was assigned to this individual provider in the NPPES registry on April 17, 2019.

Where is Alexander Duffy located?

Alexander Duffy practices at 3509 N Broad St, Philadelphia, PA 19140. The listed phone number is (844) 570-1767.

What is Alexander Duffy's specialty?

The primary specialty registered for this NPI is Otolaryngology with taxonomy code 207Y00000X.

Is Alexander Duffy enrolled in Medicare?

Yes. Alexander Duffy is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Alexander Duffy affiliated with any hospitals?

According to CMS data, Alexander Duffy is affiliated with Temple University Hospital.

When was this NPI record last updated?

The NPPES record for Alexander Duffy was last updated on January 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.