Theodore G. Williams, M.D.
Psychiatry Physician · Newport Beach, CA
Theodore G. Williams, M.D. is a psychiatry physician with a practice address in Newport Beach, California, and NPI 1659328631, issued on May 27, 2006. Check the license (California A23087, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Theodore G. Williams
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- A23087 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1300 Bristol St N, Newport Beach, CA 92660
- Phone
- (714) 437-7400
- Enumerated
- May 27, 2006
- Record last updated
- Jan 28, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (714) 437-7410
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Also registered at 1300 Bristol St N
A shared address usually means a shared clinic or building; it does not show who employs whom.
- John Fry, PH.D.Clinical Psychologist1689804932
Verify Theodore G. Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A23087Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average psychiatry physician in 2024
37 Medicare Part D claims for 12 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Theodore G. Williams among 8,673 psychiatry physician records in California
Theodore G. Williams, M.D. is one of 8,673 psychiatry physician records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 67% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileNo · 38% of these records are
- Record last updated2016 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
59 psychiatry physician records list a practice address in Newport Beach
They are 59 of the 4,414 NPPES records with a practice address in Newport Beach, and 8,673 psychiatry physician records in California.
All 8,673 in California → Every provider in Newport Beach → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Jonathan Bellman, M.D.Newport Beach, CA 926601285716696
- Barton Blinder, M.D.Newport Beach, CA 926601598790487
- Gianfranco Burdi, M.D.Newport Beach, CA 926601801812326
- Don De Francisco, M.D.Newport Beach, CA 926601992885859
- Raafat Girgis, M.D.Newport Beach, CA 926601225080013
- Lesley Macarthur, M.D.Newport Beach, CA 926601073604054
- Andrei Novac, M.D.Newport Beach, CA 926601992818348
- Nader Oskooilar, MDNewport Beach, CA 926601336144872
Common questions
What is Theodore G. Williams, M.D.'s NPI number?
Theodore G. Williams, M.D.'s National Provider Identifier (NPI) is 1659328631, issued on May 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Theodore G. Williams, M.D. located?
The NPPES record lists a practice address at 1300 Bristol St N, Newport Beach, CA, 92660. Phone: (714) 437-7400. Providers update this record themselves, so call before visiting.
How can I verify Theodore G. Williams, M.D.'s license?
NPPES lists California license number A23087, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Theodore G. Williams, M.D. prescribe under Medicare Part D?
In 2024, Theodore G. Williams, M.D. had 37 Medicare Part D claims for 12 beneficiaries; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.