Justin Alfonso, M.D.
NPI 1336502277 · Interventional Pain Medicine Physician · Jacksonville, FL
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Justin Alfonso, M.D. is a Interventional Pain Medicine Physician provider in Jacksonville, FL (NPI 1336502277).
Provider details
- NPI number
- 1336502277
- Entity type
- Individual
- Primary specialty
- Interventional Pain Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- ME145433 (FL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
10 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
884 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 148 | $124 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 118 | $161 |
| Injection of Lower Or Sacral Spine Facet Joint Using Imaging Guidance, Single Level64493 | 71 | $247 |
| Injection of Lower Or Sacral Spine Facet Joint Using Imaging Guidance, Second Level64494 | 71 | $127 |
| Injection of Anesthetic And/Or Steroid Drug Into Sacral Spine Nerve Root Using Imaging Guidance, Single Level64483 | 55 | $296 |
| Destruction of Lower Or Sacral Spinal Facet Joint Nerves Using Imaging Guidance, Single Facet Joint |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 17 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pregabalin | 348 | 120 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 319 | 116 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 274 | 93 |
| Diazepam | 192 | 113 |
| Tramadol Hcl | 143 | 47 |
| Duloxetine Hcl | 87 | 55 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,158 across 36 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
Additional practice locations (2)
- 5191 First Coast Tech Pkwy, 3rd FloorJacksonville, FL 32224Phone: (904) 223-3321Fax: (904) 223-2169
- 2550 Park St Ste BJacksonville, FL 32204-4518Phone: (904) 223-3321Fax: (904) 223-2169
Registry dates
- Enumerated
- 2016-03-29
- Last updated
- 2025-08-22
- Certified
- 2025-08-22
Frequently asked questions
- What is Justin Alfonso's NPI number?
- Justin Alfonso's National Provider Identifier (NPI) is 1336502277, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Justin Alfonso's specialty?
- Justin Alfonso is listed in the NPPES registry with a primary specialty of Interventional Pain Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Justin Alfonso located?
- Justin Alfonso's practice location on file with NPPES is 15255 Max Leggett Pkwy Ste 5500, Jacksonville, FL 32218-7273.
- What is Justin Alfonso's phone number?
- The practice phone number listed in the NPPES registry for Justin Alfonso is (904) 223-3321.
- Does Justin Alfonso accept Medicare?
- Justin Alfonso is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Justin Alfonso's NPI active?
- Yes — Justin Alfonso's NPI (1336502277) is active in the NPPES registry as of the last update on 2025-08-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.