Ronald J. Tom, DDS
General Practice Dentistry · Torrance, CA
Ronald J. Tom, DDS is a general practice dentistry with a practice address in Torrance, California, and NPI 1801093018, issued on Jun 29, 2007. Check the license (California 034784, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Ronald J. Tom
- Credential
- DDS
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 034784 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3465 Torrance Blvd, Torrance, CA 90503
- Phone
- (310) 540-6777
- Enumerated
- Jun 29, 2007
- Record last updated
- May 6, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (310) 540-6779
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 17,852 in California → Look up another NPI →
Also registered at 3465 Torrance Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Nam Lai, MDInternal Medicine Physician1487677977
- Maki Narita, D.D.S.General Practice Dentistry1194984104
- Mie Narita, D.D.S.Dentist1932368941
Verify Ronald J. Tom in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 034784Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% fewer Medicare Part D claims than the average general practice dentistry in 2024
14 Medicare Part D claims, 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.
Most prescribed
- Amoxicillin12 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.
Ronald J. Tom among 17,852 general practice dentistry records in California
Ronald J. Tom, DDS 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 2007, is newer than 29% of them.
- NPI issued2007 · 29% of these records are older, 40% 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 updated2008 · 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).
195 general practice dentistry records list a practice address in Torrance
They are 195 of the 8,901 NPPES records with a practice address in Torrance, and 17,852 general practice dentistry records in California.
All 17,852 in California → Every provider in Torrance → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Frank Burrell, DDSTorrance, CA 905031912097833
- Peter Chen, DDSTorrance, CA 905031508887100
- Aris Corkos, D.D.S.Torrance, CA 905031770622995
- Carlton Fung, D.D.S.Torrance, CA 905031053354449
- Bruce Jones, D.D.S.Torrance, CA 905031609879048
- James Mellert, D.D.S.Torrance, CA 905031174631071
- Kimberly NguyenTorrance, CA 905031700923844
- Toshiyuki Okuda, DDSTorrance, CA 905031407922230
Common questions
What is Ronald J. Tom, DDS's NPI number?
Ronald J. Tom, DDS's National Provider Identifier (NPI) is 1801093018, issued on Jun 29, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Ronald J. Tom, DDS located?
The NPPES record lists a practice address at 3465 Torrance Blvd, Torrance, CA, 90503. Phone: (310) 540-6777. Providers update this record themselves, so call before visiting.
How can I verify Ronald J. Tom, DDS's license?
NPPES lists California license number 034784, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Ronald J. Tom, DDS prescribe under Medicare Part D?
In 2024, Ronald J. Tom, DDS had 14 Medicare Part D claims; 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.