Tam K Nguyen Medical Professional Corp
NPI 1396011367 · 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)
Tam K Nguyen Medical Professional Corp is a Internal Medicine Physician organization in Garden Grove, CA (NPI 1396011367).
Provider details
- NPI number
- 1396011367
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Tam Nguyen, Ceo/President(714) 757-3797
Specialties & taxonomies
Allopathic & Osteopathic Physicians
- Pulmonary Disease Physician207RP1001X
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
14 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
Other names (DBA / former)
- Doing business as
- Ct Clinic
- Other name
- Ct Clinic
Registry dates
- Enumerated
- 2012-03-23
- Last updated
- 2023-04-22
- Certified
- 2023-04-22
Frequently asked questions
- What is Tam K Nguyen Medical Professional Corp's NPI number?
- Tam K Nguyen Medical Professional Corp's National Provider Identifier (NPI) is 1396011367, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Tam K Nguyen Medical Professional Corp?
- Tam K Nguyen Medical Professional Corp is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Tam K Nguyen Medical Professional Corp located?
- Tam K Nguyen Medical Professional Corp's practice location on file with NPPES is 12221 Brookhurst St Ste 100, Garden Grove, CA 92840-2848.
- What is Tam K Nguyen Medical Professional Corp's phone number?
- The practice phone number listed in the NPPES registry for Tam K Nguyen Medical Professional Corp is (714) 805-8260.
- Does Tam K Nguyen Medical Professional Corp accept Medicare?
- Tam K Nguyen Medical Professional Corp 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 Tam K Nguyen Medical Professional Corp?
- The authorized official listed on Tam K Nguyen Medical Professional Corp's NPPES record is Tam Nguyen, Ceo/President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Tam K Nguyen Medical Professional Corp's NPI active?
- Yes — Tam K Nguyen Medical Professional Corp's NPI (1396011367) is active in the NPPES registry as of the last update on 2023-04-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.