Hoanglong Nguyen, MD
NPI 1164715736 · Internal Medicine Physician · Sylmar, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Hoanglong Nguyen, MD is a Internal Medicine Physician provider in Sylmar, CA (NPI 1164715736).
Provider details
- NPI number
- 1164715736
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
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
15 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2011-05-16
- Last updated
- 2019-12-23
- Certified
- 2019-12-23
Frequently asked questions
- What is Hoanglong Nguyen's NPI number?
- Hoanglong Nguyen's National Provider Identifier (NPI) is 1164715736, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hoanglong Nguyen's specialty?
- Hoanglong Nguyen is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Hoanglong Nguyen located?
- Hoanglong Nguyen's practice location on file with NPPES is 14445 Olive View Dr, Sylmar, CA 91342-1437.
- What is Hoanglong Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Hoanglong Nguyen is (818) 364-3205.
- Does Hoanglong Nguyen accept Medicare?
- Hoanglong Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Hoanglong Nguyen's NPI active?
- Yes — Hoanglong Nguyen's NPI (1164715736) is active in the NPPES registry as of the last update on 2019-12-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.