Roxanne N. Kobayashi, DDS
General Practice Dentistry · San Marcos, CA
Roxanne N. Kobayashi, DDS is a general practice dentistry with a practice address in San Marcos, California, and NPI 1902128390, issued on Feb 25, 2010. Check the license (California 37436, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Roxanne N. Kobayashi
- Credential
- DDS
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License numbers
- 37436 CA
DT-1473 HI
Self-reported in NPPES; status is on the state search - Practice location
- 1 Civic Center Dr Ste 110, San Marcos, CA 92069
- Phone
- (760) 752-1430
- Enumerated
- Feb 25, 2010
- Record last updated
- Feb 25, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (760) 752-1598
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 17,852 in California → Look up another NPI →
Also registered at 1 Civic Center Dr Ste 110
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Susan Krylow, DDSDentist1831595537
- Daniel Tevrizian, D.D.S.General Practice Dentistry1003069568
Verify Roxanne N. Kobayashi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 37436Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
76% fewer Medicare Part D claims than the average general practice dentistry in 2024
20 Medicare Part D claims for 13 beneficiaries, 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.
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.
Roxanne N. Kobayashi among 17,852 general practice dentistry records in California
Roxanne N. Kobayashi, 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 2010, is newer than 68% of them.
- NPI issued2010 · 68% of these records are older, 30% 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 updated2010 · 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).
40 general practice dentistry records list a practice address in San Marcos
They are 40 of the 1,985 NPPES records with a practice address in San Marcos, and 17,852 general practice dentistry records in California.
All 17,852 in California → Every provider in San Marcos → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Reny Chacko, DDSSan Marcos, CA 920691013069996
- Raul Escalante, D.D.S.,M.S.San Marcos, CA 920691457414674
- Rasika Jain, DDSSan Marcos, CA 920691750443859
- Ronald Jeffrey, D.D.S.San Marcos, CA 920691104819374
- James Johnson, DDSSan Marcos, CA 920691700884384
- Anitha Krishnan, DDSSan Marcos, CA 920691184674350
- Ehsan Nasery, DDSSan Marcos, CA 920691427103993
- Richard Romney, D.D.S.San Marcos, CA 920691699758219
Common questions
What is Roxanne N. Kobayashi, DDS's NPI number?
Roxanne N. Kobayashi, DDS's National Provider Identifier (NPI) is 1902128390, issued on Feb 25, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Roxanne N. Kobayashi, DDS located?
The NPPES record lists a practice address at 1 Civic Center Dr Ste 110, San Marcos, CA, 92069. Phone: (760) 752-1430. Providers update this record themselves, so call before visiting.
How can I verify Roxanne N. Kobayashi, DDS's license?
NPPES lists California license number 37436, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Roxanne N. Kobayashi, DDS prescribe under Medicare Part D?
In 2024, Roxanne N. Kobayashi, DDS had 20 Medicare Part D claims for 13 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.