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Theodore Williams, M.D.
NPI 1659328631 · Psychiatry Physician · Newport Beach, CA
Theodore Williams, M.D. is a Psychiatry Physician provider in Newport Beach, CA (NPI 1659328631).
Provider details
- NPI number
- 1659328631
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- A23087 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
1300 Bristol St N
Suite 175
Newport Beach, CA 92660-2951
Phone: (714) 437-7400
Fax: (714) 437-7410
Street-level locationGet directions
Mailing address
17150 Newhope St
Fountain Valley, CA 92708-4250
Registry dates
- Enumerated
- 2006-05-27
- Last updated
- 2016-01-28
Frequently asked questions
- What is Theodore Williams's NPI number?
- Theodore Williams's National Provider Identifier (NPI) is 1659328631, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Theodore Williams's specialty?
- Theodore Williams is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Theodore Williams located?
- Theodore Williams's practice location on file with NPPES is 1300 Bristol St N, Newport Beach, CA 92660-2951.
- What is Theodore Williams's phone number?
- The practice phone number listed in the NPPES registry for Theodore Williams is (714) 437-7400.
- Is Theodore Williams's NPI active?
- Yes — Theodore Williams's NPI (1659328631) is active in the NPPES registry as of the last update on 2016-01-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.