Casey Keisuke Shimane, DDS
Oral and Maxillofacial Surgery (Dentist) · Castro Valley, CA
Casey Keisuke Shimane, DDS is an oral and maxillofacial surgery (dentist) with a practice address in Castro Valley, California, and NPI 1588094528, issued on Nov 12, 2013. Check the license (California 43658, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Casey Keisuke Shimane
- Credential
- DDS
- Primary taxonomy
- Oral and Maxillofacial Surgery (Dentist) 1223S0112X
- License number
- 43658 CA
Self-reported in NPPES; status is on the state search - Practice location
- 20406 Redwood RD Ste G, Castro Valley, CA 94546
- Phone
- (510) 885-8720
- Enumerated
- Nov 12, 2013
- Record last updated
- Nov 12, 2013 (not updated in 13 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest oral and maxillofacial surgery (dentist) records → All 987 in California → Look up another NPI →
Verify Casey Keisuke Shimane in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 43658Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
41% more Medicare Part D claims than the average oral and maxillofacial surgery (dentist) in 2024
572 Medicare Part D claims for 143 beneficiaries, against an average of 406 among the 5,870 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 137 claims were for opioids.
Most prescribed
- Penicillin V Potassium150 claims
- Ibuprofen132 claims
- Hydrocodone-Acetaminophen128 claims
- Ondansetron Odt65 claims
- Azithromycin40 claims
- Ondansetron Hcl40 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.
Casey Keisuke Shimane among 987 oral and maxillofacial surgery (dentist) records in California
Casey Keisuke Shimane, DDS is one of 987 oral and maxillofacial surgery (dentist) records with a practice address in California. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 77% of them.
- NPI issued2013 · 77% of these records are older, 19% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 7% of these records are
- Record last updated2013 · 67% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223S0112X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Oral and Maxillofacial Surgery (Dentist) providers in California
There are 987 oral and maxillofacial surgery (dentist) records in California.
All 987 in California → Every provider in Castro Valley → Oral and Maxillofacial Surgery (Dentist) nationwide →
The 8 oral and maxillofacial surgery (dentist) records with the nearest ZIP codes
- Ashley Ho, D.M.DHercules, CA 945471023145273
- Sirish Makan, DDSHayward, CA 945441821386285
- Keith Gronbach, D.D.S.Lafayette, CA 945491992853204
- Yuko Nakamura, D.M.D., M.D.Lafayette, CA 945491063665180
- Michael Beckley, D.D.S.Livermore, CA 945501437231925
- Richard Berger, DDSLivermore, CA 945501356672620
- Anna Lu, D.M.DLivermore, CA 945501588746804
- Shayna Rondon, DDSLivermore, CA 945501669736690
Common questions
What is Casey Keisuke Shimane, DDS's NPI number?
Casey Keisuke Shimane, DDS's National Provider Identifier (NPI) is 1588094528, issued on Nov 12, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Casey Keisuke Shimane, DDS located?
The NPPES record lists a practice address at 20406 Redwood RD Ste G, Castro Valley, CA, 94546. Phone: (510) 885-8720. Providers update this record themselves, so call before visiting.
How can I verify Casey Keisuke Shimane, DDS's license?
NPPES lists California license number 43658, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Casey Keisuke Shimane, DDS prescribe under Medicare Part D?
In 2024, Casey Keisuke Shimane, DDS had 572 Medicare Part D claims for 143 beneficiaries; the average among oral and maxillofacial surgery (dentist) prescribers was 406. 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.