Caroline Hwang
Dentist · San Marcos, CA
Caroline Hwang is a dentist with a practice address in San Marcos, California, and NPI 1659634194, issued on Jun 20, 2012. Check the license (California 63914, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Caroline Hwang
- Primary taxonomy
- Dentist 122300000X
- License numbers
- 63914 CA
2901020689 MI
Self-reported in NPPES; status is on the state search - Practice location
- 637 S Rancho Santa FE RD, San Marcos, CA 92078
- Phone
- (760) 744-8199
- Enumerated
- Jun 20, 2012
- Record last updated
- Feb 12, 2025
- Entity
- Type 1 · individual
8 nearest dentist records → All 14,729 in California → Look up another NPI →
Also registered at 637 S Rancho Santa FE RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Andrew Stygar, DMDDentist1851502330
Verify Caroline Hwang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 63914Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
69% fewer Medicare Part D claims than the average dentist in 2024
27 Medicare Part D claims for 17 beneficiaries, against an average of 86 among the 51,021 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.
Industry payments in 2024: $16.73
1 payment: food and beverage; the largest payer was Dentsply Sirona Inc. The 31,974 providers of this specialty with any payment received $540.36 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Caroline Hwang among 14,729 dentist records in California
Caroline Hwang is one of 14,729 dentist records with a practice address in California. 56% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 57% of them.
- NPI issued2012 · 57% of these records are older, 40% newer
- In a Medicare fileYes · 56% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2025 · 73% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 122300000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
46 dentist records list a practice address in San Marcos
They are 46 of the 1,985 NPPES records with a practice address in San Marcos, and 14,729 dentist records in California.
All 14,729 in California → Every provider in San Marcos → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Jeffrey Allred, D.D.S.San Marcos, CA 920781194964411
- David Banks, D.D.S.San Marcos, CA 920781083620223
- Jordan ColbySan Marcos, CA 920781861874471
- Pierre Doche, DMDSan Marcos, CA 920781396789327
- Karina Gregg, DDSSan Marcos, CA 920781811276983
- Jonathan HanSan Marcos, CA 920781407529217
- Randall Leads, DDSSan Marcos, CA 920781578585188
- Vida Namavar, DDSSan Marcos, CA 920781144532672
Common questions
What is Caroline Hwang's NPI number?
Caroline Hwang's National Provider Identifier (NPI) is 1659634194, issued on Jun 20, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Caroline Hwang located?
The NPPES record lists a practice address at 637 S Rancho Santa FE RD, San Marcos, CA, 92078. Phone: (760) 744-8199. Providers update this record themselves, so call before visiting.
How can I verify Caroline Hwang's license?
NPPES lists California license number 63914, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Caroline Hwang prescribe under Medicare Part D?
In 2024, Caroline Hwang had 27 Medicare Part D claims for 17 beneficiaries; the average among dentist prescribers was 86. 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.