Richard Z. Chen, DMD
Dentist · Ceres, CA
Richard Z. Chen, DMD is a dentist with a practice address in Ceres, California, and NPI 1538231592, issued on Nov 14, 2006. Check the license (California 54238, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Richard Z. Chen
- Credential
- DMD
- Primary taxonomy
- Dentist 122300000X
- License number
- 54238 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1920 Memorial Dr, Ceres, CA 95307
- Phone
- (209) 541-3001
- Enumerated
- Nov 14, 2006
- Record last updated
- Jul 20, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (209) 538-1096
- Entity
- Type 1 · individual
8 nearest dentist records → All 14,729 in California → Look up another NPI →
Also registered at 1920 Memorial Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Heydi Herrera, LCSWClinical Social Worker1699894097
- Kenneth James, MDPediatrics Physician1790148583
- Cynthia Leung, FNPFamily Nurse Practitioner1689110322
Verify Richard Z. Chen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 54238Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
21% fewer Medicare Part D claims than the average dentist in 2024
68 Medicare Part D claims for 35 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin22 claims
- Ibuprofen18 claims
- Chlorhexidine Gluconate16 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.
Richard Z. Chen among 14,729 dentist records in California
Richard Z. Chen, DMD is one of 14,729 dentist records with a practice address in California. 56% 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, 82% newer
- In a Medicare fileYes · 56% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2018 · 73% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 122300000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
7 dentist records list a practice address in Ceres
They are 7 of the 673 NPPES records with a practice address in Ceres, and 14,729 dentist records in California.
All 14,729 in California → Every provider in Ceres → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Eliot Chang, DDSCeres, CA 953071851015580
- Arshdeep Kaur, DDSCeres, CA 953071972364669
- Katherine Kucera, DDSCeres, CA 953071104994656
- Pablo Madrigal Walle, DDSCeres, CA 953071457029167
- Mital Patel, DDSCeres, CA 953071043586555
- Manizha Sharaf, DMDCeres, CA 953071215602479
- Sahel Farhangi, D.D.S.Tracy, CA 953041437598612
- Erin Kim, D.D.S.Tracy, CA 953041699021071
Common questions
What is Richard Z. Chen, DMD's NPI number?
Richard Z. Chen, DMD's National Provider Identifier (NPI) is 1538231592, issued on Nov 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Richard Z. Chen, DMD located?
The NPPES record lists a practice address at 1920 Memorial Dr, Ceres, CA, 95307. Phone: (209) 541-3001. Providers update this record themselves, so call before visiting.
How can I verify Richard Z. Chen, DMD's license?
NPPES lists California license number 54238, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Richard Z. Chen, DMD prescribe under Medicare Part D?
In 2024, Richard Z. Chen, DMD had 68 Medicare Part D claims for 35 beneficiaries; the average among dentist prescribers was 86. 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.