Madeleine Nguyen, M.D.
NPI 1164765285 · Family Medicine Physician · Zachary, LA
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Madeleine Nguyen, M.D. is a Family Medicine Physician provider in Zachary, LA (NPI 1164765285).
Provider details
- NPI number
- 1164765285
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 303341 (LA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
13 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
4 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
500 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 50 Minutes99233 | 219 | $112 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 122 | $108 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 103 | $75 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 32 | $164 |
| Critical Care, First 30-74 Minutes99291 | 24 | $203 |
Typical Medicare-allowed amounts for these services range $75–$203 (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 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Furosemide | 30 | 14 |
| Prednisone | 26 | 23 |
| Apixabanbrand: Eliquis | 25 | 11 |
| Ciprofloxacin Hcl | 23 | 23 |
| Pantoprazole Sodium | 23 | 14 |
| Levofloxacin | 20 | 20 |
| Amlodipine Besylate | 18 | — |
Practice location
Mailing address
Additional practice locations (3)
- 7777 Hennessy Blvd Ste 701Baton Rouge, LA 70808-4370Phone: (225) 765-5864Fax: (225) 765-2013
- 5000 Hennessy BlvdBaton Rouge, LA 70808-4375Phone: (225) 765-5864Fax: (225) 765-2013
- 15790 Paul Vega MD DrHammond, LA 70403-1436Phone: (985) 230-3066Fax: (985) 230-2072
Registry dates
- Enumerated
- 2013-03-27
- Last updated
- 2026-02-10
- Certified
- 2026-02-10
Frequently asked questions
- What is Madeleine Nguyen's NPI number?
- Madeleine Nguyen's National Provider Identifier (NPI) is 1164765285, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Madeleine Nguyen's specialty?
- Madeleine Nguyen is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Madeleine Nguyen located?
- Madeleine Nguyen's practice location on file with NPPES is 6300 Main St, Zachary, LA 70791-3627.
- What is Madeleine Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Madeleine Nguyen is (225) 658-4000.
- Does Madeleine Nguyen accept Medicare?
- Madeleine Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Madeleine Nguyen's NPI active?
- Yes — Madeleine Nguyen's NPI (1164765285) is active in the NPPES registry as of the last update on 2026-02-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.