John Duffy, MD
NPI 1568519437 · Urology Physician · Tuscaloosa, AL
Enrolled with Medicare as Practitioner - Urology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Duffy, MD is a Urology Physician provider in Tuscaloosa, AL (NPI 1568519437).
Provider details
- NPI number
- 1568519437
- Entity type
- Individual
- Primary specialty
- Urology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 29362 (AL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,362 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 482 | $82 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 170 | $117 |
| Urinalysis, Manual Test81002 | 163 | $3 |
| Ultrasound Measurement of Bladder Capacity After Voiding51798 | 106 | $10 |
| Diagnostic Exam of Bladder and Urethra Using an Endoscope52000 | 82 | $206 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 41 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tamsulosin Hcl | 579 | 209 |
| Finasteride | 262 | 93 |
| Vibegronbrand: Gemtesa | 177 | 40 |
| Cephalexin | 130 | 92 |
| Mirabegronbrand: Myrbetriq | 124 | 36 |
| Enzalutamidebrand: Xtandi | 123 | 14 |
| Nitrofurantoin Monohyd/M-Crystbrand: Nitrofurantoin Mono-Macro | 108 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,511 across 64 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-01-04
- Last updated
- 2009-12-31
Frequently asked questions
- What is John Duffy's NPI number?
- John Duffy's National Provider Identifier (NPI) is 1568519437, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Duffy's specialty?
- John Duffy is listed in the NPPES registry with a primary specialty of Urology Physician (Allopathic & Osteopathic Physicians).
- Where is John Duffy located?
- John Duffy's practice location on file with NPPES is 1780 Mcfarland Blvd N, Tuscaloosa, AL 35406-2136.
- What is John Duffy's phone number?
- The practice phone number listed in the NPPES registry for John Duffy is (205) 345-7351.
- Does John Duffy accept Medicare?
- John Duffy is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Duffy's NPI active?
- Yes — John Duffy's NPI (1568519437) is active in the NPPES registry as of the last update on 2009-12-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.