Dat Manh Nguyen M D a Professional Corporation
NPI 1548272917 · Allergy & Immunology (Internal Medicine) Physician · Westminster, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Dat Manh Nguyen M D a Professional Corporation is a Allergy & Immunology (Internal Medicine) Physician organization in Westminster, CA (NPI 1548272917).
Provider details
- NPI number
- 1548272917
- Entity type
- Organization
- Primary specialty
- Allergy & Immunology (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Dat Nguyen, President(714) 531-2548
- License
- A36056 (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
19 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
- 2006-08-13
- Last updated
- 2025-08-04
- Certified
- 2025-08-04
Frequently asked questions
- What is Dat Manh Nguyen M D a Professional Corporation's NPI number?
- Dat Manh Nguyen M D a Professional Corporation's National Provider Identifier (NPI) is 1548272917, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Dat Manh Nguyen M D a Professional Corporation?
- Dat Manh Nguyen M D a Professional Corporation is classified in the NPPES registry as Allergy & Immunology (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Dat Manh Nguyen M D a Professional Corporation located?
- Dat Manh Nguyen M D a Professional Corporation's practice location on file with NPPES is 14536 Brookhurst St, Westminster, CA 92683-5787.
- What is Dat Manh Nguyen M D a Professional Corporation's phone number?
- The practice phone number listed in the NPPES registry for Dat Manh Nguyen M D a Professional Corporation is (714) 531-2548.
- Does Dat Manh Nguyen M D a Professional Corporation accept Medicare?
- Dat Manh 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 Dat Manh Nguyen M D a Professional Corporation?
- The authorized official listed on Dat Manh Nguyen M D a Professional Corporation's NPPES record is Dat Nguyen, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Dat Manh Nguyen M D a Professional Corporation's NPI active?
- Yes — Dat Manh Nguyen M D a Professional Corporation's NPI (1548272917) is active in the NPPES registry as of the last update on 2025-08-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.