Quy Nguyen, MD
NPI 1366400145 · Internal Medicine Physician · Rosemead, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Quy Nguyen, MD is a Internal Medicine Physician provider in Rosemead, CA (NPI 1366400145).
Provider details
- NPI number
- 1366400145
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- A44652 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% 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
- 2006-05-02
- Last updated
- 2011-07-19
Frequently asked questions
- What is Quy Nguyen's NPI number?
- Quy Nguyen's National Provider Identifier (NPI) is 1366400145, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Quy Nguyen's specialty?
- Quy Nguyen is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Quy Nguyen located?
- Quy Nguyen's practice location on file with NPPES is 9126 Valley Blvd, Rosemead, CA 91770-1987.
- What is Quy Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Quy Nguyen is (626) 573-9003.
- Does Quy Nguyen accept Medicare?
- Quy Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Quy Nguyen's NPI active?
- Yes — Quy Nguyen's NPI (1366400145) is active in the NPPES registry as of the last update on 2011-07-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.