Thao P Phung MD Inc
NPI 1043792112 · Internal Medicine Physician · Fountain Valley, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thao P Phung MD Inc is a Internal Medicine Physician organization in Fountain Valley, CA (NPI 1043792112).
Provider details
- NPI number
- 1043792112
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Thao Phung, President(310) 483-6256
- License
- A125932 (CA)
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
7 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
3 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
Mailing address
Additional practice locations (2)
- 17100 Euclid StFountain Valley, CA 92708-4004Phone: (310) 483-6256Fax: (562) 232-3728
- 2913 El Camino Real Ste 316Tustin, CA 92782-8909Phone: (949) 229-1153Fax: (657) 245-3168
Registry dates
- Enumerated
- 2018-09-05
- Last updated
- 2023-08-31
- Certified
- 2023-08-31
Frequently asked questions
- What is Thao P Phung MD Inc's NPI number?
- Thao P Phung MD Inc's National Provider Identifier (NPI) is 1043792112, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Thao P Phung MD Inc?
- Thao P Phung MD Inc is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Thao P Phung MD Inc located?
- Thao P Phung MD Inc's practice location on file with NPPES is 18035 Brookhurst St, Fountain Valley, CA 92708-6738.
- What is Thao P Phung MD Inc's phone number?
- The practice phone number listed in the NPPES registry for Thao P Phung MD Inc is (310) 483-6256.
- Does Thao P Phung MD Inc accept Medicare?
- Thao P Phung 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 Thao P Phung MD Inc?
- The authorized official listed on Thao P Phung MD Inc's NPPES record is Thao Phung, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Thao P Phung MD Inc's NPI active?
- Yes — Thao P Phung MD Inc's NPI (1043792112) is active in the NPPES registry as of the last update on 2023-08-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.