Karekine Matossian, D.M.D.,M.S.
General Practice Dentistry · Watertown, MA
Karekine Matossian, D.M.D.,M.S. is a general practice dentistry with a practice address in Watertown, Massachusetts, and NPI 1225171994, issued on Feb 14, 2007. Check the license (Massachusetts 19036, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Karekine Matossian
- Credential
- D.M.D.,M.S.
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 19036 MA
Self-reported in NPPES; status is on the state search - Practice location
- 222 Waverley Ave, Watertown, MA 02472
- Phone
- (617) 923-2330
- Enumerated
- Feb 14, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (617) 923-2325
- Medicaid ID
- 0279935 MA
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 3,489 in Massachusetts → Look up another NPI →
Verify Karekine Matossian in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license 19036Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
75% fewer Medicare Part D claims than the average general practice dentistry in 2024
21 Medicare Part D claims for 19 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.
Most prescribed
- Amoxicillin14 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.
Karekine Matossian among 3,489 general practice dentistry records in Massachusetts
Karekine Matossian, D.M.D.,M.S. is one of 3,489 general practice dentistry records with a practice address in Massachusetts. 58% 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 37% of them.
- NPI issued2007 · 37% of these records are older, 41% newer
- In a Medicare fileYes · 58% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2007 · 77% 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 Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
19 general practice dentistry records list a practice address in Watertown
They are 19 of the 873 NPPES records with a practice address in Watertown, and 3,489 general practice dentistry records in Massachusetts.
All 3,489 in Massachusetts → Every provider in Watertown → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- William Byrne, DMDWatertown, MA 024721740386275
- Peter Dana, D.M.D.Watertown, MA 024721003948936
- Edward Donle, D.M.D.Watertown, MA 024721912929001
- Philip Fantasia, DDSWatertown, MA 024721871600023
- Iman Mack, DMDWatertown, MA 024721184759425
- Robert Nazar, D.M.DWatertown, MA 024721548294754
- Khadjik Niukian, D.M.D., M.S.Watertown, MA 024721861538936
- Allen Niukian, D.M.D.Watertown, MA 024721871639955
Common questions
What is Karekine Matossian, D.M.D.,M.S.'s NPI number?
Karekine Matossian, D.M.D.,M.S.'s National Provider Identifier (NPI) is 1225171994, issued on Feb 14, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Karekine Matossian, D.M.D.,M.S. located?
The NPPES record lists a practice address at 222 Waverley Ave, Watertown, MA, 02472. Phone: (617) 923-2330. Providers update this record themselves, so call before visiting.
How can I verify Karekine Matossian, D.M.D.,M.S.'s license?
NPPES lists Massachusetts license number 19036, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Karekine Matossian, D.M.D.,M.S. prescribe under Medicare Part D?
In 2024, Karekine Matossian, D.M.D.,M.S. had 21 Medicare Part D claims for 19 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.