NPPES file of Aug 9, 2026

Constantine Zachary Zaharis, MD

Emergency Medicine Physician · Tampa, FL

Constantine Zachary Zaharis, MD is an emergency medicine physician with a practice address in Tampa, Florida, and NPI 1255594115, issued on Jul 9, 2008. Check the license (Florida ME112437, 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
1255594115
Name
Constantine Zachary Zaharis
Credential
MD
Primary taxonomy
Emergency Medicine Physician 207P00000X
License numbers
ME112437 FL
65815 GA
Self-reported in NPPES; status is on the state search
Practice location
3100 E Fletcher Ave, Tampa, FL 33613
Phone
(813) 971-6000
Enumerated
Jul 9, 2008
Record last updated
Sep 12, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(813) 972-5753
Medicaid ID
005936200 FL
Medicare enrollment
Enrolled (PECOS I20120813000433); accepts Medicare assignment
Medical or professional school
Medical College Of Georgia School Of Medicine, 2008
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 3100 E Fletcher Ave

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

  1. Qassem Abdelal, MDCritical Care Medicine (Internal Medicine) Physician1477041796
  2. Mutaz Bellah AbudreaStudent in an Organized Health Care Education/Training Program1992559165
  3. Oleksandr Adzhymuratov, MDStudent in an Organized Health Care Education/Training Program1144161506
  4. Elliott Aguayo, M.D.Emergency Medicine Physician1942438940
  5. Caitlin AhernCertified Registered Nurse Anesthetist1457996852
  6. Sarah Aitchison, APRN-CPrimary Care Nurse Practitioner1912545666

Verify Constantine Zachary Zaharis in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersFlorida health license search
    Search for license ME112437
    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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93% fewer Medicare Part D claims than the average emergency medicine physician in 2024

16 Medicare Part D claims for 11 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.

  1. Constantine Zaharis16
  2. Specialty average226

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. Inphynet Contracting Services LLCTampa, FL

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

Constantine Zachary Zaharis among 4,034 emergency medicine physician records in Florida

Constantine Zachary Zaharis, MD 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 2008, is newer than 45% of them.

  • NPI issued2008 · 45% of these records are older, 51% newer
  • In a Medicare fileYes · 84% of these records are
  • In the CMS Doctors and Clinicians fileYes · 55% of these records are
  • Graduated2008 · median 2013 among the 2,199 with a school on file
  • Record last updated2012 · 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).

279 emergency medicine physician records list a practice address in Tampa

They are 279 of the 26,440 NPPES records with a practice address in Tampa, and 4,034 emergency medicine physician records in Florida.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Masood Ansari, MDTampa, FL 336131053364315
  2. Simon Edginton, MDTampa, FL 336131700839206
  3. John Favata Jr, MDTampa, FL 336131144273343
  4. Tatia Grant Levy, DOTampa, FL 336131215923511
  5. Maureen Hirthler, MDTampa, FL 336131710939467
  6. Christine Lancaster, MDTampa, FL 336131477505600
  7. Steven Lay, MDTampa, FL 336131720031032
  8. Paul Perry, MDTampa, FL 336131205881752

Common questions

What is Constantine Zachary Zaharis, MD's NPI number?

Constantine Zachary Zaharis, MD's National Provider Identifier (NPI) is 1255594115, issued on Jul 9, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Constantine Zachary Zaharis, MD located?

The NPPES record lists a practice address at 3100 E Fletcher Ave, Tampa, FL, 33613. Phone: (813) 971-6000. Providers update this record themselves, so call before visiting.

How can I verify Constantine Zachary Zaharis, MD's license?

NPPES lists Florida license number ME112437, 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 Constantine Zachary Zaharis, MD prescribe under Medicare Part D?

In 2024, Constantine Zachary Zaharis, MD had 16 Medicare Part D claims for 11 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.