Mark Anthony Diaz, MD
NPI 1417364563 · Infectious Disease Physician · Jacksonville, FL
Enrolled with Medicare as Practitioner - Infectious Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Anthony Diaz, MD is a Infectious Disease Physician provider in Jacksonville, FL (NPI 1417364563).
Provider details
- NPI number
- 1417364563
- Entity type
- Individual
- Primary specialty
- Infectious Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- ME131318 (FL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
11 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,078 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 244 | $74 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 201 | $92 |
| Follow-Up Inpatient Consultation, Intermediate, Physicians Typically Spend 25 Minutes Communicating With the Patient Via TelehealthG0407 | 153 | $67 |
| Telehealth Consultation, Emergency Department Or Initial Inpatient, Typically 70 Minutes Or More Communicating With the Patient Via TelehealthG0427 | 130 | $174 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 116 | $162 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Bictegrav/Emtricit/Tenofov Alabrand: Biktarvy | 52 | — |
| Methenamine Hippurate | 40 | — |
| Cefadroxil | 38 | 17 |
| Penicillin V Potassium | 38 | — |
| Cephalexin | 36 | 13 |
| Doxycycline Hyclate | 26 | 15 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 20 | 15 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2014-07-21
- Last updated
- 2022-07-21
Frequently asked questions
- What is Mark Anthony Diaz's NPI number?
- Mark Anthony Diaz's National Provider Identifier (NPI) is 1417364563, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Anthony Diaz's specialty?
- Mark Anthony Diaz is listed in the NPPES registry with a primary specialty of Infectious Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Anthony Diaz located?
- Mark Anthony Diaz's practice location on file with NPPES is 4500 San Pablo Rd S, Jacksonville, FL 32224-1865.
- What is Mark Anthony Diaz's phone number?
- The practice phone number listed in the NPPES registry for Mark Anthony Diaz is (904) 953-2000.
- Does Mark Anthony Diaz accept Medicare?
- Mark Anthony Diaz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Anthony Diaz's NPI active?
- Yes — Mark Anthony Diaz's NPI (1417364563) is active in the NPPES registry as of the last update on 2022-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.