Mark Anthony Antonio Diaz, MD
Infectious Disease Physician · Jacksonville, FL
Mark Anthony Antonio Diaz, MD is an infectious disease physician with a practice address in Jacksonville, Florida, and NPI 1417364563, issued on Jul 21, 2014. Check the license (Florida ME131318, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.
- Name
- Mark Anthony Antonio Diaz
- Credential
- MD
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License number
- ME131318 FL
Self-reported in NPPES; status is on the state search - Practice location
- 4500 San Pablo RD S, Jacksonville, FL 32224
- Phone
- (904) 953-2000
- Enumerated
- Jul 21, 2014
- Record last updated
- Jul 21, 2022
- Medicare enrollment
- Enrolled (PECOS I20190909001616); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest infectious disease physician records → All 760 in Florida → Look up another NPI →
Also registered at 4500 San Pablo RD S
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Sara Abbas, PA-CPhysician Assistant1356121206
- Carol Abbott, ARNP, FNP-CNurse Practitioner1629427240
- Zaid Abdel Rahman, M.D.Hematology (Internal Medicine) Physician1003299330
Verify Mark Anthony Antonio Diaz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersFlorida health license search
Search for license ME131318Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
40% fewer Medicare Part D claims than the average infectious disease physician in 2024
412 Medicare Part D claims for 128 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.
Most prescribed
- Biktarvy52 claims
- Methenamine Hippurate40 claims
- Cefadroxil38 claims
- Penicillin V Potassium38 claims
- Cephalexin36 claims
- Doxycycline Hyclate26 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through 3 group practices
- Avera MckennanSioux Falls, SD
- Sacred Heart Health ServicesHartington, NE
- St Michael's Hospital, Inc.Tyndall, SD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark Anthony Antonio Diaz among 760 infectious disease physician records in Florida
Mark Anthony Antonio Diaz, MD is one of 760 infectious disease physician records with a practice address in Florida. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 81% of them.
- NPI issued2014 · 81% of these records are older, 16% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated2011 · median 2001 among the 581 with a school on file
- Record last updated2022 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Infectious Disease Physician providers in Florida
There are 760 infectious disease physician records in Florida.
All 760 in Florida → Every provider in Jacksonville → Infectious Disease Physician nationwide →
The 8 infectious disease physician records with the nearest ZIP codes
- Moataz Al-Knawy, MBBSJacksonville, FL 322241760786768
- Wendelyn Bosch, MDJacksonville, FL 322241285891994
- Lisa Brumble, MDJacksonville, FL 322241669461398
- Ravi Durvasula, MDJacksonville, FL 322241306867247
- Walter Hellinger, MDJacksonville, FL 322241962491498
- Claudia Libertin, MDJacksonville, FL 322241053360586
- Julio Mendez, MDJacksonville, FL 322241780673210
- Dima Nassour, MDJacksonville, FL 322241245425065
Common questions
What is Mark Anthony Antonio Diaz, MD's NPI number?
Mark Anthony Antonio Diaz, MD's National Provider Identifier (NPI) is 1417364563, issued on Jul 21, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Mark Anthony Antonio Diaz, MD located?
The NPPES record lists a practice address at 4500 San Pablo RD S, Jacksonville, FL, 32224. Phone: (904) 953-2000. Providers update this record themselves, so call before visiting.
How can I verify Mark Anthony Antonio Diaz, MD's license?
NPPES lists Florida license number ME131318, as entered by the provider. Search the Florida health license search at https://mqa-internet.doh.state.fl.us/mqasearchservices/healthcareproviders. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mark Anthony Antonio Diaz, MD prescribe under Medicare Part D?
In 2024, Mark Anthony Antonio Diaz, MD had 412 Medicare Part D claims for 128 beneficiaries; the average among infectious disease physician prescribers was 689. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.