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Dan Nguyen, DO
NPI 1225731490 · Family Medicine Physician · Stockton, CA
Dan Nguyen, DO is a Family Medicine Physician provider in Stockton, CA (NPI 1225731490).
Provider details
- NPI number
- 1225731490
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 20A24845 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Established profile(63/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
3 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
1800 N California St
Stockton, CA 95204-6019
Phone: (209) 547-7143
Street-level locationGet directions
Mailing address
1800 N California St
Stockton, CA 95204-6019
Additional practice locations (1)
- 7912 West Ln Ste 221Stockton, CA 95210-3159Phone: (209) 944-4700
Registry dates
- Enumerated
- 2023-03-24
- Last updated
- 2026-05-28
- Certified
- 2026-05-28
Frequently asked questions
- What is Dan Nguyen's NPI number?
- Dan Nguyen's National Provider Identifier (NPI) is 1225731490, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dan Nguyen's specialty?
- Dan Nguyen is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Dan Nguyen located?
- Dan Nguyen's practice location on file with NPPES is 1800 N California St, Stockton, CA 95204-6019.
- What is Dan Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Dan Nguyen is (209) 547-7143.
- Is Dan Nguyen's NPI active?
- Yes — Dan Nguyen's NPI (1225731490) is active in the NPPES registry as of the last update on 2026-05-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.