Glenn Gidseg, M.D.
NPI 1417935990 · Internal Medicine Physician · Marathon, FL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Glenn Gidseg, M.D. is a Internal Medicine Physician provider in Marathon, FL (NPI 1417935990).
Provider details
- NPI number
- 1417935990
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- ME30630 (FL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
499 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Residence Visit for Established Patient With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes99349 | 299 | $128 |
| Physician Or Allowed Practitioner Re-Certification for Medicare-Covered Home Health Services Under a Home Health Plan of Care (patient Not Present), Including Contacts With Home Health Agency and Review of Reports of Patient Status Required By Physicians aG0179 | 119 | $42 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 28 | $130 |
| Physician Or Allowed Practitioner Certification for Medicare-Covered Home Health Services Under a Home Health Plan of Care (patient Not Present), Including Contacts With Home Health Agency and Review of Reports of Patient Status Required By Physicians andG0180 | 26 | $54 |
| Telephone Medical Discussion With Physician, 5-10 Minutes99441 | 16 | $55 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 66 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 212 | 43 |
| Pantoprazole Sodium | 124 | 19 |
| Levothyroxine Sodium | 113 | — |
| Apixabanbrand: Eliquis | 109 | — |
| Hydrochlorothiazide | 102 | 28 |
| Meloxicam | 101 | 27 |
| Empagliflozinbrand: Jardiance |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-01-05
- Last updated
- 2018-08-27
Frequently asked questions
- What is Glenn Gidseg's NPI number?
- Glenn Gidseg's National Provider Identifier (NPI) is 1417935990, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Glenn Gidseg's specialty?
- Glenn Gidseg is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Glenn Gidseg located?
- Glenn Gidseg's practice location on file with NPPES is 365 Stirrup Key Blvd, Marathon, FL 33050-2943.
- What is Glenn Gidseg's phone number?
- The practice phone number listed in the NPPES registry for Glenn Gidseg is (954) 363-1011.
- Does Glenn Gidseg accept Medicare?
- Glenn Gidseg is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Glenn Gidseg's NPI active?
- Yes — Glenn Gidseg's NPI (1417935990) is active in the NPPES registry as of the last update on 2018-08-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.