Thomas Phan, M.D.
NPI 1740716687 · Psychiatry Physician · Costa Mesa, CA
Thomas Phan, M.D. is a Psychiatry Physician provider in Costa Mesa, CA (NPI 1740716687).
Provider details
- NPI number
- 1740716687
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- BP10060945 (TX)
Specialties & taxonomies
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
9 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
Mailing address
Additional practice locations (1)
- 180 Newport Center Dr Ste 235Newport Beach, CA 92660-0903Phone: (949) 999-4120
Registry dates
- Enumerated
- 2017-05-11
- Last updated
- 2025-02-17
- Certified
- 2025-02-17
Frequently asked questions
- What is Thomas Phan's NPI number?
- Thomas Phan's National Provider Identifier (NPI) is 1740716687, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Phan's specialty?
- Thomas Phan is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Thomas Phan located?
- Thomas Phan's practice location on file with NPPES is 1640 Newport Blvd Ste 110, Costa Mesa, CA 92627-7762.
- What is Thomas Phan's phone number?
- The practice phone number listed in the NPPES registry for Thomas Phan is (925) 282-1778.
- Is Thomas Phan's NPI active?
- Yes — Thomas Phan's NPI (1740716687) is active in the NPPES registry as of the last update on 2025-02-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.