Larry Chi-Tseng Tuan, LARRY TUAN
Periodontics · Arcadia, CA
Larry Chi-Tseng Tuan, LARRY TUAN is a periodontics with a practice address in Arcadia, California, and NPI 1386911550, issued on Nov 16, 2011. Check the license (California 39221, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Larry Chi-Tseng Tuan
- Credential
- LARRY TUAN
- Primary taxonomy
- Periodontics 1223P0300X
- License number
- 39221 CA
Self-reported in NPPES; status is on the state search - Practice location
- 103 Las Tunas Dr, Arcadia, CA 91007
- Phone
- (626) 445-2903
- Enumerated
- Nov 16, 2011
- Record last updated
- Mar 4, 2022
- Entity
- Type 1 · individual
8 nearest periodontics records → All 929 in California → Look up another NPI →
Also registered at 103 Las Tunas Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Elleen Myre Agustin, DDSGeneral Practice Dentistry1104423698
Verify Larry Chi-Tseng Tuan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 39221Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
86% fewer Medicare Part D claims than the average periodontics in 2024
39 Medicare Part D claims for 29 beneficiaries, against an average of 277 among the 4,191 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Amoxicillin25 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: $101.25
1 payment: food and beverage; the largest payer was Keystone Dental Inc. The 2,966 providers of this specialty with any payment received $1,338.41 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.
Larry Chi-Tseng Tuan among 929 periodontics records in California
Larry Chi-Tseng Tuan, LARRY TUAN is one of 929 periodontics records with a practice address in California. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 72% of them.
- NPI issued2011 · 72% of these records are older, 25% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2022 · 78% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223P0300X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Periodontics providers in California
There are 929 periodontics records in California.
All 929 in California → Every provider in Arcadia → Periodontics nationwide →
The 8 periodontics records with the nearest ZIP codes
- Leshin Chen, DDSArcadia, CA 910071356539050
- Joseph Fuentes, DDSArcadia, CA 910071578570065
- Chang Hsiang Huo, DENTISTArcadia, CA 910071285756981
- Jiunn Der Hwang, DDSArcadia, CA 910071295867349
- Donna Klauser, D.D.S.Arcadia, CA 910071851430029
- John Snowden, D.D.S.Arcadia, CA 910071053742130
- Fernando Verdugo, D.M.D., PHDAltadena, CA 910011235345646
- Mark Pak, D.D.S.Montrose, CA 910201336365790
Common questions
What is Larry Chi-Tseng Tuan, LARRY TUAN's NPI number?
Larry Chi-Tseng Tuan, LARRY TUAN's National Provider Identifier (NPI) is 1386911550, issued on Nov 16, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Larry Chi-Tseng Tuan, LARRY TUAN located?
The NPPES record lists a practice address at 103 Las Tunas Dr, Arcadia, CA, 91007. Phone: (626) 445-2903. Providers update this record themselves, so call before visiting.
How can I verify Larry Chi-Tseng Tuan, LARRY TUAN's license?
NPPES lists California license number 39221, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Larry Chi-Tseng Tuan, LARRY TUAN prescribe under Medicare Part D?
In 2024, Larry Chi-Tseng Tuan, LARRY TUAN had 39 Medicare Part D claims for 29 beneficiaries; the average among periodontics prescribers was 277. 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.