NPPES file of Aug 9, 2026

Mark Thomas Hash, D.O.

Family Medicine Physician · Jacksonville, FL

Mark Thomas Hash, D.O. is a family medicine physician with a practice address in Jacksonville, Florida, and NPI 1497850093, issued on Sep 14, 2006. Check the license (Florida OS5744, 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
1497850093
Name
Mark Thomas Hash
Credential
D.O.
Primary taxonomy
Family Medicine Physician 207Q00000X
License numbers
OS5744 FL
OS7744 FL
Self-reported in NPPES; status is on the state search
Practice location
3599 University Blvd South, Jacksonville, FL 32216
Phone
(850) 766-3835
Enumerated
Sep 14, 2006
Record last updated
Apr 3, 2026
Fax
(229) 236-0990
Medicaid ID
129996900 FL
Medicare enrollment
Enrolled (PECOS I20040128001098); accepts Medicare assignment
Medical or professional school
Kansas City University Of Physicians And Surgeons, 1992
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 3599 University Blvd South

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

  1. Christopher Helenthal, OTR/LOccupational Therapist1023275435

Verify Mark Thomas Hash in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersFlorida health license search
    Search for license OS5744
    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

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99% fewer Medicare Part D claims than the average family medicine physician in 2024

48 Medicare Part D claims for 12 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.

  1. Mark Hash48
  2. Specialty average3,544

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.

Mark Thomas Hash among 9,399 family medicine physician records in Florida

Mark Thomas Hash, D.O. is one of 9,399 family medicine physician records with a practice address in Florida. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 10% of them.

  • NPI issued2006 · 10% of these records are older, 55% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated1992 · median 2004 among the 5,504 with a school on file
  • Record last updated2026 · 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 207Q00000X and a Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

605 family medicine physician records list a practice address in Jacksonville

They are 605 of the 24,194 NPPES records with a practice address in Jacksonville, and 9,399 family medicine physician records in Florida.

The 8 family medicine physician records with the nearest ZIP codes

  1. Alberto Alzate, MDJacksonville, FL 322161801874490
  2. Nonette Asistores, MDJacksonville, FL 322161336117415
  3. Darlene Bartilucci, MDJacksonville, FL 322161639156276
  4. Stephen Clark, M.D.Jacksonville, FL 322161104826593
  5. Michael Day, M.D.Jacksonville, FL 322161922008317
  6. Mary Feageans, M.D.Jacksonville, FL 322161679540694
  7. John Hackenberg, D.O.Jacksonville, FL 322161083603245
  8. Philippos Kartsonis, MDJacksonville, FL 322161376515791

Common questions

What is Mark Thomas Hash, D.O.'s NPI number?

Mark Thomas Hash, D.O.'s National Provider Identifier (NPI) is 1497850093, issued on Sep 14, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Mark Thomas Hash, D.O. located?

The NPPES record lists a practice address at 3599 University Blvd South, Jacksonville, FL, 32216. Phone: (850) 766-3835. Providers update this record themselves, so call before visiting.

How can I verify Mark Thomas Hash, D.O.'s license?

NPPES lists Florida license number OS5744, 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 Thomas Hash, D.O. prescribe under Medicare Part D?

In 2024, Mark Thomas Hash, D.O. had 48 Medicare Part D claims for 12 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.