Ken Nguyen, M.D.
NPI 1922209055 · Internal Medicine Physician · Lake Charles, LA
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ken Nguyen, M.D. is a Internal Medicine Physician provider in Lake Charles, LA (NPI 1922209055).
Provider details
- NPI number
- 1922209055
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- MD.202580 (LA)
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
19 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
1,625 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 | 995 | $111 |
| Critical Care, First 30-74 Minutes99291 | 273 | $198 |
| Advance Care Planning, First 30 Minutes99497 | 127 | $71 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 115 | $160 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 103 | $106 |
| Initial Hospital Care With Same-Day Admission and Discharge With High Level of Medical Decision Making, Per Day, If Using Time, at Least 85 Minutes99236 | 12 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ondansetronbrand: Ondansetron Odt | 38 | 35 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 27 | 26 |
| Metoclopramide Hcl | 23 | 23 |
| Pantoprazole Sodium | 15 | — |
| Cefdinir | 14 | 14 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 12 | — |
| Amoxicillin/Potassium Clav |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-05-29
- Last updated
- 2021-06-16
- Certified
- 2021-06-16
Frequently asked questions
- What is Ken Nguyen's NPI number?
- Ken Nguyen's National Provider Identifier (NPI) is 1922209055, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ken Nguyen's specialty?
- Ken Nguyen is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ken Nguyen located?
- Ken Nguyen's practice location on file with NPPES is 4200 Nelson Rd, Lake Charles, LA 70605-4118.
- What is Ken Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Ken Nguyen is (337) 475-4748.
- Does Ken Nguyen accept Medicare?
- Ken Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ken Nguyen's NPI active?
- Yes — Ken Nguyen's NPI (1922209055) is active in the NPPES registry as of the last update on 2021-06-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.