John Nguyen, DO
NPI 1326789793 · Hospice and Palliative Medicine (Internal Medicine) Physician · Los Angeles, CA
John Nguyen, DO is a Hospice and Palliative Medicine (Internal Medicine) Physician provider in Los Angeles, CA (NPI 1326789793).
Provider details
- NPI number
- 1326789793
- Entity type
- Individual
- Primary specialty
- Hospice and Palliative Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 32 | 14 |
| Amlodipine Besylate | 17 | — |
| Lisinopril/Hydrochlorothiazidebrand: Lisinopril-Hydrochlorothiazide | 17 | — |
| Losartan Potassium | 14 | — |
| Insulin Nph Hum/Reg Insulin Hmbrand: Humulin 70/30 Kwikpen | 13 | — |
| Insulin Glargine-Yfgn | 13 | — |
Practice location
Mailing address
Additional practice locations (1)
- 17234 Valley Blvd, Building aFontana, CA 92335-6720Phone: (909) 427-4128
Registry dates
- Enumerated
- 2022-04-07
- Last updated
- 2025-04-15
- Certified
- 2025-04-15
Frequently asked questions
- What is John Nguyen's NPI number?
- John Nguyen's National Provider Identifier (NPI) is 1326789793, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Nguyen's specialty?
- John Nguyen is listed in the NPPES registry with a primary specialty of Hospice and Palliative Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is John Nguyen located?
- John Nguyen's practice location on file with NPPES is 4733 W Sunset Blvd Fl 3, Los Angeles, CA 90027-6021.
- What is John Nguyen's phone number?
- The practice phone number listed in the NPPES registry for John Nguyen is (323) 783-3699.
- Is John Nguyen's NPI active?
- Yes — John Nguyen's NPI (1326789793) is active in the NPPES registry as of the last update on 2025-04-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.