Quan H. Nguyen M D a Professional Corporation
NPI 1841567351 · Specialist · Fountain Valley, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Quan H. Nguyen M D a Professional Corporation is a Specialist organization in Fountain Valley, CA (NPI 1841567351).
Provider details
- NPI number
- 1841567351
- Entity type
- Organization
- Primary specialty
- SpecialistOther Service Providers
- Organization subpart
- No
- Authorized official
- Pauline Tang, Mgr(714) 979-9111
- License
- G071956 (CA)
Specialties & taxonomies
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
14 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
Other names (DBA / former)
- Doing business as
- Q-Dermatology
Registry dates
- Enumerated
- 2011-11-29
- Last updated
- 2025-06-20
- Certified
- 2025-06-20
Frequently asked questions
- What is Quan H. Nguyen M D a Professional Corporation's NPI number?
- Quan H. Nguyen M D a Professional Corporation's National Provider Identifier (NPI) is 1841567351, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Quan H. Nguyen M D a Professional Corporation?
- Quan H. Nguyen M D a Professional Corporation is classified in the NPPES registry as Specialist (Other Service Providers).
- Where is Quan H. Nguyen M D a Professional Corporation located?
- Quan H. Nguyen M D a Professional Corporation's practice location on file with NPPES is 10175 Slater Ave Ste 100, Fountain Valley, CA 92708-4702.
- What is Quan H. Nguyen M D a Professional Corporation's phone number?
- The practice phone number listed in the NPPES registry for Quan H. Nguyen M D a Professional Corporation is (714) 979-9911.
- Does Quan H. Nguyen M D a Professional Corporation accept Medicare?
- Quan H. Nguyen M D a Professional Corporation is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Quan H. Nguyen M D a Professional Corporation?
- The authorized official listed on Quan H. Nguyen M D a Professional Corporation's NPPES record is Pauline Tang, Mgr. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Quan H. Nguyen M D a Professional Corporation's NPI active?
- Yes — Quan H. Nguyen M D a Professional Corporation's NPI (1841567351) is active in the NPPES registry as of the last update on 2025-06-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.