Tung T. Nguyen, D.O., Inc.
NPI 1558531962 · Primary Care Clinic/Center · San Jose, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tung T. Nguyen, D.O., Inc. is a Primary Care Clinic/Center organization in San Jose, CA (NPI 1558531962).
Provider details
- NPI number
- 1558531962
- Entity type
- Organization
- Primary specialty
- Primary Care Clinic/CenterAmbulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- Tung Nguyen, Owner/President(408) 279-2988
- License
- 20A8238 (CA)
Specialties & taxonomies
Ambulatory Health Care Facilities
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 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
- 2008-03-03
- Last updated
- 2008-03-03
Frequently asked questions
- What is Tung T. Nguyen, D.O., Inc.'s NPI number?
- Tung T. Nguyen, D.O., Inc.'s National Provider Identifier (NPI) is 1558531962, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Tung T. Nguyen, D.O., Inc.?
- Tung T. Nguyen, D.O., Inc. is classified in the NPPES registry as Primary Care Clinic/Center (Ambulatory Health Care Facilities).
- Where is Tung T. Nguyen, D.O., Inc. located?
- Tung T. Nguyen, D.O., Inc.'s practice location on file with NPPES is 621 Tully Rd, San Jose, CA 95111-1013.
- What is Tung T. Nguyen, D.O., Inc.'s phone number?
- The practice phone number listed in the NPPES registry for Tung T. Nguyen, D.O., Inc. is (408) 279-2988.
- Does Tung T. Nguyen, D.O., Inc. accept Medicare?
- Tung T. Nguyen, D.O., 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 Tung T. Nguyen, D.O., Inc.?
- The authorized official listed on Tung T. Nguyen, D.O., Inc.'s NPPES record is Tung Nguyen, Owner/President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Tung T. Nguyen, D.O., Inc.'s NPI active?
- Yes — Tung T. Nguyen, D.O., Inc.'s NPI (1558531962) is active in the NPPES registry as of the last update on 2008-03-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.