NPPES file of Aug 9, 2026

Blake Autry Martz, DO

Emergency Medicine Physician · Jacksonville, FL

Blake Autry Martz, DO is an emergency medicine physician with a practice address in Jacksonville, Florida, and NPI 1417533902, issued on Mar 23, 2021. Check the license (Florida 19896, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1417533902
Name
Blake Autry Martz
Credential
DO
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
19896 FL
Self-reported in NPPES; status is on the state search
Practice location
655 W 8TH St, Jacksonville, FL 32209
Phone
(904) 244-3817
Enumerated
Mar 23, 2021
Record last updated
Jun 30, 2024
Medicare enrollment
Enrolled (PECOS I20240417002489); accepts Medicare assignment
Medical or professional school
Edward Via Col Of Osteo Medicine-Carolinas Campus, 2021
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 655 W 8TH St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Patrick Aaronson, PHARMDCritical Care Pharmacist1578113668
  2. Mubarak Abdur-Rahman, MDEmergency Medicine Physician1164861001
  3. Erika AbernathySocial Worker1013387661
  4. Cheryl Jayne Abrenica, RNRegistered Nurse1215425012
  5. Maryam Abubakar, MD, MPHNeonatal-Perinatal Medicine Physician1003290214
  6. Mohannad Abushora, MDPediatric Anesthesiology Physician1740813807

Verify Blake Autry Martz in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersFlorida health license search
    Search for license 19896
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Florida license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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55% fewer Medicare Part D claims than the average emergency medicine physician in 2024

102 Medicare Part D claims for 74 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 13 claims were for opioids.

  1. Blake Martz102
  2. Specialty average226

Most prescribed

  1. Cephalexin11 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 one group practice

  1. University OF Florida Jacksonville Physicians, Inc.Jacksonville, FL

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Blake Autry Martz among 4,034 emergency medicine physician records in Florida

Blake Autry Martz, DO is one of 4,034 emergency medicine physician records with a practice address in Florida. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 88% of them.

  • NPI issued2021 · 88% of these records are older, 7% newer
  • In a Medicare fileYes · 84% of these records are
  • In the CMS Doctors and Clinicians fileYes · 55% of these records are
  • Graduated2021 · median 2013 among the 2,199 with a school on file
  • Record last updated2024 · 56% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

365 emergency medicine physician records list a practice address in Jacksonville

They are 365 of the 24,194 NPPES records with a practice address in Jacksonville, and 4,034 emergency medicine physician records in Florida.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Alexander Berk, M.D.Jacksonville, FL 322091699777151
  2. David Caro, M.D.Jacksonville, FL 322091881674026
  3. Rosemarie Fernandez, M.D.Jacksonville, FL 322091366402240
  4. Emily Fontane, MDJacksonville, FL 322091972504355
  5. Tisha Gallanter, MDJacksonville, FL 322091609847292
  6. Steven Godwin, M.D.Jacksonville, FL 322091316927551
  7. Kelly Gray-Eurom, M.D.Jacksonville, FL 322091801867999
  8. Robert Luten, M.D.Jacksonville, FL 322091164493250

Common questions

What is Blake Autry Martz, DO's NPI number?

Blake Autry Martz, DO's National Provider Identifier (NPI) is 1417533902, issued on Mar 23, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Blake Autry Martz, DO located?

The NPPES record lists a practice address at 655 W 8TH St, Jacksonville, FL, 32209. Phone: (904) 244-3817. Providers update this record themselves, so call before visiting.

How can I verify Blake Autry Martz, DO's license?

NPPES lists Florida license number 19896, 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 Blake Autry Martz, DO prescribe under Medicare Part D?

In 2024, Blake Autry Martz, DO had 102 Medicare Part D claims for 74 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.