Doctor profile · Federal record
Dr. Alexander Duffy, MD
Otolaryngology Physician (CMS: Otolaryngology) · Philadelphia, PA
- NPI 1639732464
- Accepts Medicare
- 7 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
3509 N Broad St
Philadelphia, PA 191404105
(844) 570-1767
fax (215) 707-6676 - Mailing address
-
3500 N Broad St Rm 1A
Philadelphia, PA 191404106
Credentials & registration
- NPI registered
- April 2019 — 7 yrs on file
- Profile last updated
- January 16, 2026
- Year of graduation
- 2019 — 7 yrs since
- Specialty taxonomy
- 207Y00000X — NUCC code
- State license (1)
- Pennsylvania #MD490457
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1639732464. Last verified May 11, 2026.Open Payments
Industry payments received
All-time total
$1,919
Transactions
10
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Stryker Corporation | 10 | $1,918.92 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
26
Patients
26
Total drug cost
$42
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 13 | 13 | $23 |
| Oxycodone Hcl | Generic | 13 | 13 | $19 |
Hospital affiliations
Frequently asked questions
What is Dr. Alexander Duffy's medical specialty?
Dr. Alexander Duffy practices Otolaryngology Physician in Philadelphia, PA.
Where does Dr. Alexander Duffy practice?
Dr. Alexander Duffy practices at 3509 N Broad St, Philadelphia, PA 191404105. Office phone: 8445701767.
What is Dr. Alexander Duffy's NPI?
Dr. Alexander Duffy's National Provider Identifier (NPI) is 1639732464, issued by NPPES.
Does Dr. Alexander Duffy accept Medicare assignment?
Yes. Dr. Alexander Duffy accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.