IndividualActive
John Nguyen, D.M.D.
NPI 1649309436 · General Practice Dentistry · Livermore, CA
John Nguyen, D.M.D. is a General Practice Dentistry provider in Livermore, CA (NPI 1649309436).
Provider details
- NPI number
- 1649309436
- Entity type
- Individual
- Primary specialty
- General Practice DentistryDental Providers
- Credential
- D.M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 50962 (CA)
Specialties & taxonomies
Dental Providers
Profile Score
Detailed profile(89/100 index)
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
955 Bluebell Dr
Livermore, CA 94551-5319
Phone: (992) 596-1110
Fax: (925) 961-1126
Street-level locationGet directions
Mailing address
2497 Portifino St
Manteca, CA 95337-8406
Registry dates
- Enumerated
- 2007-03-05
- Last updated
- 2007-07-08
Frequently asked questions
- What is John Nguyen's NPI number?
- John Nguyen's National Provider Identifier (NPI) is 1649309436, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Nguyen's specialty?
- John Nguyen is listed in the NPPES registry with a primary specialty of General Practice Dentistry (Dental Providers).
- Where is John Nguyen located?
- John Nguyen's practice location on file with NPPES is 955 Bluebell Dr, Livermore, CA 94551-5319.
- What is John Nguyen's phone number?
- The practice phone number listed in the NPPES registry for John Nguyen is (992) 596-1110.
- Is John Nguyen's NPI active?
- Yes — John Nguyen's NPI (1649309436) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.