Jack B. Oh, D.D.S.
General Practice Dentistry · Diamond Bar, CA
Jack B. Oh, D.D.S. is a general practice dentistry with a practice address in Diamond Bar, California, and NPI 1609844505, issued on Mar 8, 2006. Check the license (California 42205, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Jack B. Oh
- Credential
- D.D.S.
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 42205 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2705 S Diamond Bar Blvd, Diamond Bar, CA 91765
- Phone
- (909) 444-9400
- Enumerated
- Mar 8, 2006
- Record last updated
- Apr 22, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (909) 444-3311
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 17,852 in California → Look up another NPI →
Also registered at 2705 S Diamond Bar Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Da Eun Jung, DDSDentist1205723038
Verify Jack B. Oh in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 42205Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.6 times the Medicare Part D claims of the average general practice dentistry in 2024
216 Medicare Part D claims for 100 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D. 49 claims were for opioids.
Most prescribed
- Amoxicillin106 claims
- Acetaminophen-Codeine38 claims
- Azithromycin15 claims
- Chlorhexidine Gluconate13 claims
- Ibuprofen13 claims
- Hydrocodone-Acetaminophen11 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.
Jack B. Oh among 17,852 general practice dentistry records in California
Jack B. Oh, D.D.S. 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 2006, is newer than 3% of them.
- NPI issued2006 · 3% of these records are older, 71% 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 updated2014 · 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).
39 general practice dentistry records list a practice address in Diamond Bar
They are 39 of the 598 NPPES records with a practice address in Diamond Bar, and 17,852 general practice dentistry records in California.
All 17,852 in California → Every provider in Diamond Bar → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Lindy Beverly, D.D.SDiamond Bar, CA 917651114086196
- Jay Bhatt, D.D.S.Diamond Bar, CA 917651467668517
- Evelyn Catuira, DDSDiamond Bar, CA 917651548399348
- Jose Estevez, D.D.S.Diamond Bar, CA 917651467588673
- Chris Kim, D.D.S.Diamond Bar, CA 917651043438021
- Mingchung Lai, DDSDiamond Bar, CA 917651265599336
- Chenyu Lai, D.D.S.Diamond Bar, CA 917651609920180
- Joon Lee, D.D.S.Diamond Bar, CA 917651588784185
Common questions
What is Jack B. Oh, D.D.S.'s NPI number?
Jack B. Oh, D.D.S.'s National Provider Identifier (NPI) is 1609844505, issued on Mar 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Jack B. Oh, D.D.S. located?
The NPPES record lists a practice address at 2705 S Diamond Bar Blvd, Diamond Bar, CA, 91765. Phone: (909) 444-9400. Providers update this record themselves, so call before visiting.
How can I verify Jack B. Oh, D.D.S.'s license?
NPPES lists California license number 42205, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Jack B. Oh, D.D.S. prescribe under Medicare Part D?
In 2024, Jack B. Oh, D.D.S. had 216 Medicare Part D claims for 100 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.