Glenn Gidseg, M.D.
Internal Medicine Physician · Marathon, FL
Glenn Gidseg, M.D. is an internal medicine physician with a practice address in Marathon, Florida, and NPI 1417935990, issued on Jan 5, 2006. Check the license (Florida ME30630, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.
- Name
- Glenn Gidseg
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- ME30630 FL
Self-reported in NPPES; status is on the state search - Practice location
- 365 Stirrup Key Blvd, Marathon, FL 33050
- Phone
- (954) 363-1011
- Enumerated
- Jan 5, 2006
- Record last updated
- Aug 27, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (561) 807-7836
- Medicare enrollment
- Enrolled (PECOS I20091202000239); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 10,151 in Florida → Look up another NPI →
Also registered at 365 Stirrup Key Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Linda Crosby, NPNurse Practitioner1689722506
- Marcy Davis, RN, ARNPNurse Practitioner1184938540
- Marline Francois-DecampFamily Nurse Practitioner1174264824
- Richard Grodin, MDOphthalmology Physician1700054178
- Linda Philipp, MSN, NP-CAdult Health Nurse Practitioner1346548393
Verify Glenn Gidseg in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersFlorida health license search
Search for license ME30630Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
10% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,874 Medicare Part D claims for 117 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 68 claims were for opioids.
Most prescribed
- Atorvastatin Calcium212 claims
- Pantoprazole Sodium124 claims
- Levothyroxine Sodium113 claims
- Eliquis109 claims
- Hydrochlorothiazide102 claims
- Meloxicam101 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
- Nursing Home Physicians PAMarathon, FL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Glenn Gidseg among 10,151 internal medicine physician records in Florida
Glenn Gidseg, M.D. is one of 10,151 internal 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 2006, is newer than 10% of them.
- NPI issued2006 · 10% of these records are older, 55% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated1976 · median 2004 among the 6,606 with a school on file
- Record last updated2018 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Internal Medicine Physician providers in Florida
There are 10,151 internal medicine physician records in Florida.
All 10,151 in Florida → Every provider in Marathon → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Cecile Muehrcke, M.D.Marathon, FL 330501053353318
- Nelson Castaneda, M.D.Opa Locka, FL 330541881958908
- Jennifer Castilloux, D.OOpa Locka, FL 330541063873883
- Laila Chagani, M.D.Opa Locka, FL 330541225026586
- Gordon Chen, M.D.Opa Locka, FL 330541912108317
- Claudia Cottone, MDOpa Locka, FL 330541417433228
- Saraswati Iobst, M.D.Opa Locka, FL 330541740419951
- Rochelle Marill, M.D.Opa Locka, FL 330541538572953
Common questions
What is Glenn Gidseg, M.D.'s NPI number?
Glenn Gidseg, M.D.'s National Provider Identifier (NPI) is 1417935990, issued on Jan 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Glenn Gidseg, M.D. located?
The NPPES record lists a practice address at 365 Stirrup Key Blvd, Marathon, FL, 33050. Phone: (954) 363-1011. Providers update this record themselves, so call before visiting.
How can I verify Glenn Gidseg, M.D.'s license?
NPPES lists Florida license number ME30630, 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 Glenn Gidseg, M.D. prescribe under Medicare Part D?
In 2024, Glenn Gidseg, M.D. had 2,874 Medicare Part D claims for 117 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.