Jason C. Chen, DDS
General Practice Dentistry · San Leandro, CA
Jason C. Chen, DDS is a general practice dentistry with a practice address in San Leandro, California, and NPI 1497897417, issued on Feb 13, 2007. Check the license (California 50227, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Jason C. Chen
- Credential
- DDS
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 50227 CA
Self-reported in NPPES; status is on the state search - Practice location
- 345 Estudillo Ave, San Leandro, CA 94577
- Phone
- (510) 483-2164
- Enumerated
- Feb 13, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (510) 483-1671
- Entity
- Type 1 · individual
Also registered at 345 Estudillo Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alisa Alvaro, D.D.S.General Practice Dentistry1508912676
- Raymond Bertolotti, DDSDentist1568039659
- Jeffrey Clayton, DDSOral and Maxillofacial Surgery (Dentist)1003995150
- John Cooper, DDSOral and Maxillofacial Surgery (Dentist)1134205545
- Allen Hoang, DDSDentist1316480163
- Helaine Mitchell, MFTMarriage & Family Therapist1275768707
Verify Jason C. 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 50227Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
30% more Medicare Part D claims than the average general practice dentistry in 2024
108 Medicare Part D claims for 53 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. 12 claims were for opioids.
Most prescribed
- Amoxicillin50 claims
- Ibuprofen22 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: $83.03
2 payments; by number, the most common kind was education; the largest payer was Colgate Oral Pharmaceuticals, 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.
75 general practice dentistry records list a practice address in San Leandro
They are 75 of the 4,976 NPPES records with a practice address in San Leandro, and 17,852 general practice dentistry records in California.
All 75 in San Leandro → All 17,852 in California → Every provider in San Leandro →
Other general practice dentistry records in California
- Ronald Aanerud, DDSSan Diego, CA1871752931
- Steven Aaronson, D.D.S.Santa Monica, CA1265455851
- Shahrzad Aarup, DDSPomona, CA1265784367
- Al Abad, DDSSan Jose, CA1104992148
- Erwin Abad, D.D.S.Canoga Park, CA1861590093
- Francine Abad, DDSSan Francisco, CA1942700810
- Maria Abad, D.D.S.Norwalk, CA1215006754
- Mark Ryan Abad, DDSDaly City, CA1770357394
- Sanaz Abadi, D.D.S.Los Angeles, CA1699934026
- Ernesto Abadilla, DDSPalm Desert, CA1508063801
Common questions
What is Jason C. Chen, DDS's NPI number?
Jason C. Chen, DDS's National Provider Identifier (NPI) is 1497897417, issued on Feb 13, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Jason C. Chen, DDS located?
The NPPES record lists a practice address at 345 Estudillo Ave, San Leandro, CA, 94577. Phone: (510) 483-2164. Providers update this record themselves, so call before visiting.
How can I verify Jason C. Chen, DDS's license?
NPPES lists California license number 50227, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Jason C. Chen, DDS prescribe under Medicare Part D?
In 2024, Jason C. Chen, DDS had 108 Medicare Part D claims for 53 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.