Hidemi Oka, DMD MD MS
Oral and Maxillofacial Surgery (Dentist) · Union City, CA
Hidemi Oka, DMD MD MS is an oral and maxillofacial surgery (dentist) with a practice address in Union City, California, and NPI 1629260369, issued on Aug 16, 2007. Check the license (California 70-OMS, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Hidemi Oka
- Credential
- DMD MD MS
- Primary taxonomy
- Oral and Maxillofacial Surgery (Dentist) 1223S0112X
- License numbers
- 70-OMS CA
A91565 CA
Self-reported in NPPES; status is on the state search - Practice location
- 33800 Alvarado Niles Road, Union City, CA 94587
- Phone
- (510) 487-2040
- Enumerated
- Aug 16, 2007
- Record last updated
- Aug 16, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (510) 471-9156
- Entity
- Type 1 · individual
8 nearest oral and maxillofacial surgery (dentist) records → All 987 in California → Look up another NPI →
Verify Hidemi Oka in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 70-OMSCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
34% fewer Medicare Part D claims than the average oral and maxillofacial surgery (dentist) in 2024
268 Medicare Part D claims for 106 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. 78 claims were for opioids.
Most prescribed
- Acetaminophen-Codeine67 claims
- Ibuprofen54 claims
- Amoxicillin46 claims
- Penicillin V Potassium39 claims
- Clindamycin Hcl35 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.
Hidemi Oka among 987 oral and maxillofacial surgery (dentist) records in California
Hidemi Oka, DMD MD MS 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 2007, is newer than 34% of them.
- NPI issued2007 · 34% of these records are older, 42% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 7% of these records are
- Record last updated2007 · 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 Union City → Oral and Maxillofacial Surgery (Dentist) nationwide →
The 8 oral and maxillofacial surgery (dentist) records with the nearest ZIP codes
- Ma Rosario Exconde, DDSVallejo, CA 945911922196559
- Anthony Rega, DDSSan Ramon, CA 945831588668206
- Neal Roth, DDSVallejo, CA 945911336264043
- Benjamin Shimel, DDSSan Ramon, CA 945831023495637
- Jeremy Owyoung, DDSSan Ramon, CA 945821225262652
- Albert Steunenberg, DDSVallejo, CA 945921912977240
- Kyle Van Brocklin, D.M.D., M.S.San Ramon, CA 945821659454015
- Ali Alijanian, DDSWalnut Creek, CA 945961609935071
Common questions
What is Hidemi Oka, DMD MD MS's NPI number?
Hidemi Oka, DMD MD MS's National Provider Identifier (NPI) is 1629260369, issued on Aug 16, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Hidemi Oka, DMD MD MS located?
The NPPES record lists a practice address at 33800 Alvarado Niles Road, Union City, CA, 94587. Phone: (510) 487-2040. Providers update this record themselves, so call before visiting.
How can I verify Hidemi Oka, DMD MD MS's license?
NPPES lists California license number 70-OMS, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Hidemi Oka, DMD MD MS prescribe under Medicare Part D?
In 2024, Hidemi Oka, DMD MD MS had 268 Medicare Part D claims for 106 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.