Jefferson Ganthier, MD
NPI 1245793983 · Internal Medicine Physician · Aventura, FL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jefferson Ganthier, MD is a Internal Medicine Physician provider in Aventura, FL (NPI 1245793983).
Provider details
- NPI number
- 1245793983
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 153019 (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
7 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
438 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 278 | $79 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 65 | $119 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 37 | $115 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 29 | $174 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 29 | $81 |
Typical Medicare-allowed amounts for these services range $79–$174 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 19 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 47 | 43 |
| Cefdinir | 26 | 26 |
| Amlodipine Besylate | 21 | 19 |
| Carvedilol | 19 | 19 |
| Prednisone | 19 | 19 |
| Losartan Potassium | 18 | 15 |
| Spironolactone | 16 | 13 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2019-04-10
- Last updated
- 2023-05-09
- Certified
- 2023-05-09
Frequently asked questions
- What is Jefferson Ganthier's NPI number?
- Jefferson Ganthier's National Provider Identifier (NPI) is 1245793983, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jefferson Ganthier's specialty?
- Jefferson Ganthier is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Jefferson Ganthier located?
- Jefferson Ganthier's practice location on file with NPPES is 20900 Biscayne Blvd, Aventura, FL 33180-1407.
- What is Jefferson Ganthier's phone number?
- The practice phone number listed in the NPPES registry for Jefferson Ganthier is (305) 682-7000.
- Does Jefferson Ganthier accept Medicare?
- Jefferson Ganthier is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jefferson Ganthier's NPI active?
- Yes — Jefferson Ganthier's NPI (1245793983) is active in the NPPES registry as of the last update on 2023-05-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.