Chihwen Alec Yen, D.M.D.
Periodontics · Clinton, MD
Chihwen Alec Yen, D.M.D. is a periodontics with a practice address in Clinton, Maryland, and NPI 1417000712, issued on Jan 19, 2007. Check the license (Maryland 12725, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Chihwen Alec Yen
- Credential
- D.M.D.
- Primary taxonomy
- Periodontics 1223P0300X
- License number
- 12725 MD
Self-reported in NPPES; status is on the state search - Practice location
- 9131 Piscataway RD, Clinton, MD 20735
- Phone
- (301) 868-7716
- Enumerated
- Jan 19, 2007
- Record last updated
- Sep 25, 2009 (not updated in 17 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest periodontics records → All 167 in Maryland → Look up another NPI →
Also registered at 9131 Piscataway RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nelson Benjers, M.D.Specialist1629069968
- Chandrakant Bhatia, M.D.Gastroenterology Physician1790850667
- Mahesh Chandra, MDRheumatology Physician1982797718
- Renu Chandra, MDPediatrics Physician1376655035
- Herman Daniels, MDInternal Medicine Physician1235450099
- Vanessa Gordon, D.D.S.General Practice Dentistry1205082245
Verify Chihwen Alec Yen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license 12725Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
32% fewer Medicare Part D claims than the average periodontics in 2024
187 Medicare Part D claims for 71 beneficiaries, against an average of 277 among the 4,191 providers of this specialty who prescribed in Part D. 11 claims were for opioids.
Most prescribed
- Chlorhexidine Gluconate57 claims
- Amoxicillin51 claims
- Ibuprofen42 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: $417.55
8 payments; by number, the most common kind was food and beverage; the largest payer was Zimvie 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.
Chihwen Alec Yen among 167 periodontics records in Maryland
Chihwen Alec Yen, D.M.D. is one of 167 periodontics records with a practice address in Maryland. 65% 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 31% of them.
- NPI issued2007 · 31% of these records are older, 41% newer
- In a Medicare fileYes · 65% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2009 · 74% 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 Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Periodontics providers in Maryland
There are 167 periodontics records in Maryland.
All 167 in Maryland → Every provider in Clinton → Periodontics nationwide →
The 8 periodontics records with the nearest ZIP codes
- Reiaz Ali, D.D.S., M.S.Clinton, MD 207351104066257
- Bindu Reddy, DDSClinton, MD 207351013099357
- Arthur Sorkin, DDS MSClinton, MD 207351396827630
- Vivian Sorkin, DMDClinton, MD 207351295817534
- Sarah Park, DDSRiverdale, MD 207371942382346
- Chiun-Lin Liu, DDSCollege Park, MD 207401548384688
- Alison Glascoe, D.D.S.Bowie, MD 207161588623649
- Omid Kiarash, DMD, MSDDunkirk, MD 207541386534816
Common questions
What is Chihwen Alec Yen, D.M.D.'s NPI number?
Chihwen Alec Yen, D.M.D.'s National Provider Identifier (NPI) is 1417000712, issued on Jan 19, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Chihwen Alec Yen, D.M.D. located?
The NPPES record lists a practice address at 9131 Piscataway RD, Clinton, MD, 20735. Phone: (301) 868-7716. Providers update this record themselves, so call before visiting.
How can I verify Chihwen Alec Yen, D.M.D.'s license?
NPPES lists Maryland license number 12725, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.
How much does Chihwen Alec Yen, D.M.D. prescribe under Medicare Part D?
In 2024, Chihwen Alec Yen, D.M.D. had 187 Medicare Part D claims for 71 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.