Dat Q Nguyen, MD, Inc
NPI 1811530686 · Internal Medicine Physician · Garden Grove, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Dat Q Nguyen, MD, Inc is a Internal Medicine Physician organization in Garden Grove, CA (NPI 1811530686).
Provider details
- NPI number
- 1811530686
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Dat Nguyen, Owner(818) 618-6850
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
6 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
- 2019-10-23
- Last updated
- 2019-10-23
Frequently asked questions
- What is Dat Q Nguyen, MD, Inc's NPI number?
- Dat Q Nguyen, MD, Inc's National Provider Identifier (NPI) is 1811530686, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Dat Q Nguyen, MD, Inc?
- Dat Q Nguyen, MD, Inc is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Dat Q Nguyen, MD, Inc located?
- Dat Q Nguyen, MD, Inc's practice location on file with NPPES is 12865 Main St Ste 105, Garden Grove, CA 92840-8205.
- What is Dat Q Nguyen, MD, Inc's phone number?
- The practice phone number listed in the NPPES registry for Dat Q Nguyen, MD, Inc is (800) 560-9999.
- Does Dat Q Nguyen, MD, Inc accept Medicare?
- Dat Q Nguyen, MD, Inc 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 Q Nguyen, MD, Inc?
- The authorized official listed on Dat Q Nguyen, MD, Inc's NPPES record is Dat Nguyen, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Dat Q Nguyen, MD, Inc's NPI active?
- Yes — Dat Q Nguyen, MD, Inc's NPI (1811530686) is active in the NPPES registry as of the last update on 2019-10-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.