Cathy Ann Williams, DMD
General Practice Dentistry · San Diego, CA
Cathy Ann Williams, DMD is a general practice dentistry with a practice address in San Diego, California, and NPI 1316472996, issued on Apr 20, 2017. Check the license (California 103089, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Cathy Ann Williams
- Credential
- DMD
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 103089 CA
Self-reported in NPPES; status is on the state search - Practice location
- 5106 Federal Blvd Ste 209, San Diego, CA 92105
- Phone
- (619) 264-0179
- Enumerated
- Apr 20, 2017
- Record last updated
- May 20, 2022
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 17,852 in California → Look up another NPI →
Verify Cathy Ann Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 103089Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.5 times the Medicare Part D claims of the average general practice dentistry in 2024
206 Medicare Part D claims for 82 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Amoxicillin91 claims
- Ibuprofen61 claims
- Chlorhexidine Gluconate17 claims
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.
Industry payments in 2024: $160.07
2 payments; by number, the most common kind was food and beverage; the largest payer was BioHorizons Implant Systems Inc. The 41,669 providers of this specialty with any payment received $597.01 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Cathy Ann Williams among 17,852 general practice dentistry records in California
Cathy Ann Williams, DMD is one of 17,852 general practice dentistry records with a practice address in California. 57% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 81% of them.
- NPI issued2017 · 81% of these records are older, 17% newer
- In a Medicare fileYes · 57% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2022 · 79% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223G0001X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
647 general practice dentistry records list a practice address in San Diego
They are 647 of the 52,937 NPPES records with a practice address in San Diego, and 17,852 general practice dentistry records in California.
All 17,852 in California → Every provider in San Diego → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Loc Bao, D.D.S.San Diego, CA 921051770750424
- Thong Duong, DDSSan Diego, CA 921051326119892
- Mohammed Lakhani, DDSSan Diego, CA 921051093047052
- Nathan Le, D.M.DSan Diego, CA 921051033397310
- Kai Liu, DDSSan Diego, CA 921051184759326
- Lieu Nguyen, D.D.SSan Diego, CA 921051972619070
- Tuyet Mai Nguyen, D.D.S.San Diego, CA 921051881762227
- Long Tran, D.D.S.San Diego, CA 921051790785863
Common questions
What is Cathy Ann Williams, DMD's NPI number?
Cathy Ann Williams, DMD's National Provider Identifier (NPI) is 1316472996, issued on Apr 20, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Cathy Ann Williams, DMD located?
The NPPES record lists a practice address at 5106 Federal Blvd Ste 209, San Diego, CA, 92105. Phone: (619) 264-0179. Providers update this record themselves, so call before visiting.
How can I verify Cathy Ann Williams, DMD's license?
NPPES lists California license number 103089, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Cathy Ann Williams, DMD prescribe under Medicare Part D?
In 2024, Cathy Ann Williams, DMD had 206 Medicare Part D claims for 82 beneficiaries; the average among general practice dentistry prescribers was 83. 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.