Michael Nicholas Gianarakis, M.B.B.S.
Gastroenterology Physician · Jacksonville, FL
Michael Nicholas Gianarakis, M.B.B.S. is a gastroenterology physician with a practice address in Jacksonville, Florida, and NPI 1982389169, issued on Jun 16, 2023. Check the license (Florida ME179642, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.
- Name
- Michael Nicholas Gianarakis
- Credential
- M.B.B.S.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License numbers
- ME179642 FL
125082764 IL
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
- Jun 16, 2023
- Record last updated
- May 19, 2026
- Medicare enrollment
- Enrolled (PECOS I20260604003829); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 1,513 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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Verify Michael Nicholas Gianarakis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersFlorida health license search
Search for license ME179642Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% fewer Medicare Part D claims than the average gastroenterology physician in 2024
70 Medicare Part D claims for 19 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D.
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.
Michael Nicholas Gianarakis among 1,513 gastroenterology physician records in Florida
Michael Nicholas Gianarakis, M.B.B.S. is one of 1,513 gastroenterology 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 2023, is newer than over 99% of them.
- NPI issued2023 · over 99% of these records are older, under 1% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 76% of these records are
- Graduated2023 · median 2000 among the 1,156 with a school on file
- Record last updated2026 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Florida
There are 1,513 gastroenterology physician records in Florida.
All 1,513 in Florida → Every provider in Jacksonville → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Ernest Bouras, MDJacksonville, FL 322241750370623
- Denise Harnois, DOJacksonville, FL 322241710976683
- Andrew Keaveny, MDJacksonville, FL 322241346239217
- Stephen Lange, MDJacksonville, FL 322241528057494
- Michele Lewis, MDJacksonville, FL 322241134118003
- David Loeb, MDJacksonville, FL 322241891784773
- Michael Picco, MDJacksonville, FL 322241972592855
- Massimo Raimondo, MDJacksonville, FL 322241508855487
Common questions
What is Michael Nicholas Gianarakis, M.B.B.S.'s NPI number?
Michael Nicholas Gianarakis, M.B.B.S.'s National Provider Identifier (NPI) is 1982389169, issued on Jun 16, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Michael Nicholas Gianarakis, M.B.B.S. 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 Michael Nicholas Gianarakis, M.B.B.S.'s license?
NPPES lists Florida license number ME179642, 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 Michael Nicholas Gianarakis, M.B.B.S. prescribe under Medicare Part D?
In 2024, Michael Nicholas Gianarakis, M.B.B.S. had 70 Medicare Part D claims for 19 beneficiaries; the average among gastroenterology physician prescribers was 811. 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.