NPPES file of Aug 9, 2026

Jeffrey Tada Oyama, D.D.S

Prosthodontics · Pomona, CA

Jeffrey Tada Oyama, D.D.S is a prosthodontics with a practice address in Pomona, California, and NPI 1508397233, issued on Mar 24, 2017. Check the license (California DDS101067, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1508397233
Name
Jeffrey Tada Oyama
Credential
D.D.S
Primary taxonomy
Prosthodontics 1223P0700X
License number
DDS101067 CA
Self-reported in NPPES; status is on the state search
Practice location
795 E 2ND St, Pomona, CA 91766
Phone
(858) 205-3853
Enumerated
Mar 24, 2017
Record last updated
Oct 4, 2021 (not updated in 5 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 795 E 2ND St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Maritza ArteagaCommunity Health Worker1578335782
  2. Melanie Barbee, MS RDRegistered Dietitian1538438155
  3. Edward Barnes, M.D.Nephrology Physician1689664484
  4. Rajivinder Brar, D.O., PH.D.Family Medicine Physician1629039664
  5. Briza Brooks, ODLow Vision Rehabilitation Optometrist1790489896
  6. Abby CappadonaMedical Physician Assistant1164850764

Verify Jeffrey Tada Oyama in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license DDS101067
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the California license search

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2.8 times the Medicare Part D claims of the average prosthodontics in 2024

253 Medicare Part D claims for 68 beneficiaries, against an average of 90 among the 1,779 providers of this specialty who prescribed in Part D. 13 claims were for opioids.

  1. Jeffrey Oyama253
  2. Specialty average90

Most prescribed

  1. Amoxicillin-Clavulanate Potass82 claims
  2. Ibuprofen71 claims
  3. Chlorhexidine Gluconate70 claims
  4. Hydrocodone-Acetaminophen13 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.

Jeffrey Tada Oyama among 474 prosthodontics records in California

Jeffrey Tada Oyama, D.D.S is one of 474 prosthodontics records with a practice address in California. 61% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 88% of them.

  • NPI issued2017 · 88% of these records are older, 10% newer
  • In a Medicare fileYes · 61% of these records are
  • In the CMS Doctors and Clinicians fileNo · 3% of these records are
  • Record last updated2021 · 80% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223P0700X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Prosthodontics providers in California

There are 474 prosthodontics records in California.

The 8 prosthodontics records with the nearest ZIP codes

  1. Walter Dimalanta, D.D.SPomona, CA 917661417933896
  2. Maxwell Nazari, DDSDiamond Bar, CA 917651134263320
  3. Hsiu-Chin Tsai, D.D.S.Diamond Bar, CA 917651679691984
  4. Jui-Min Su, D.D.S., M.S.Ontario, CA 917641841216561
  5. Leslie Kaneko, DDSMonterey Park, CA 917541790192250
  6. Jung Feng Pan, D.D.STemple City, CA 917801902954084
  7. William Hung, D.D.SUpland, CA 917861578687083
  8. Eddie Sheh, D.D.S.Upland, CA 917861265621080

Common questions

What is Jeffrey Tada Oyama, D.D.S's NPI number?

Jeffrey Tada Oyama, D.D.S's National Provider Identifier (NPI) is 1508397233, issued on Mar 24, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Jeffrey Tada Oyama, D.D.S located?

The NPPES record lists a practice address at 795 E 2ND St, Pomona, CA, 91766. Phone: (858) 205-3853. Providers update this record themselves, so call before visiting.

How can I verify Jeffrey Tada Oyama, D.D.S's license?

NPPES lists California license number DDS101067, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Jeffrey Tada Oyama, D.D.S prescribe under Medicare Part D?

In 2024, Jeffrey Tada Oyama, D.D.S had 253 Medicare Part D claims for 68 beneficiaries; the average among prosthodontics prescribers was 90. 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.