Garry Jean-Louis, MD
NPI 1538106828 · Infectious Disease Physician · Madison, WI
Enrolled with Medicare as Practitioner - Infectious Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Garry Jean-Louis, MD is a Infectious Disease Physician provider in Madison, WI (NPI 1538106828).
Provider details
- NPI number
- 1538106828
- Entity type
- Individual
- Primary specialty
- Infectious Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 45591-020 (WI)
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
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
1,461 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) |
|---|---|---|
| Infusion Into a Vein for Therapy, Prevention, Or Diagnosis, 1 Hour Or Less96365 | 270 | $58 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 263 | $120 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 105 | $8 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 104 | $9 |
| Administration of Chemotherapy Into Vein, 1 Hour Or Less96413 | 104 | $120 |
| Injection of Additional New Drug Or Substance Into Vein96375 | 95 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 33 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Doxycycline Hyclate | 143 | 33 |
| Methenamine Hippurate | 97 | 16 |
| Cephalexin | 84 | 16 |
| Amoxicillin | 80 | 27 |
| Bictegrav/Emtricit/Tenofov Alabrand: Biktarvy | 61 | — |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 45 | 12 |
| Vancomycin Hcl | 43 | 12 |
Practice location
Mailing address
Additional practice locations (2)
- 1313 Fish Hatchery RdDean Medical CenterMadison, WI 53715-1911Phone: (608) 252-8000Fax: (608) 252-8245
- 1313 Fish Hatchery RdMadison, WI 53715-1911Phone: (608) 252-8000Fax: (608) 283-7318
Registry dates
- Enumerated
- 2006-06-02
- Last updated
- 2022-05-03
- Certified
- 2022-05-03
Frequently asked questions
- What is Garry Jean-Louis's NPI number?
- Garry Jean-Louis's National Provider Identifier (NPI) is 1538106828, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Garry Jean-Louis's specialty?
- Garry Jean-Louis is listed in the NPPES registry with a primary specialty of Infectious Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Garry Jean-Louis located?
- Garry Jean-Louis's practice location on file with NPPES is 1211 Fish Hatchery Rd, Madison, WI 53715-1909.
- What is Garry Jean-Louis's phone number?
- The practice phone number listed in the NPPES registry for Garry Jean-Louis is (608) 252-8000.
- Does Garry Jean-Louis accept Medicare?
- Garry Jean-Louis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Garry Jean-Louis's NPI active?
- Yes — Garry Jean-Louis's NPI (1538106828) is active in the NPPES registry as of the last update on 2022-05-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.