Antonios Mouzakis, MD
Internal Medicine Physician · Worcester, MA
Antonios Mouzakis, MD is an internal medicine physician with a practice address in Worcester, Massachusetts, and NPI 1083267421, issued on Jul 23, 2019. Check the license (Massachusetts 292415, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Antonios Mouzakis
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 292415 MA
Self-reported in NPPES; status is on the state search - Practice location
- 1 W Boylston St, Worcester, MA 01605
- Phone
- (508) 854-2636
- Enumerated
- Jul 23, 2019
- Record last updated
- Jul 7, 2022
- Fax
- (508) 854-1667
- Medicare enrollment
- Enrolled (PECOS I20220721002515); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 6,825 in Massachusetts → Look up another NPI →
Also registered at 1 W Boylston St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Antonios Mouzakis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 292415Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.1 times the Medicare Part D claims of the average internal medicine physician in 2024
6,723 Medicare Part D claims for 696 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 31 claims were for opioids.
Most prescribed
- Atorvastatin Calcium491 claims
- Amlodipine Besylate397 claims
- Lisinopril302 claims
- Omeprazole288 claims
- Levothyroxine Sodium254 claims
- Simvastatin223 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.
Bills Medicare through one group practice
- Umass Memorial Medical Group IncWorcester, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Antonios Mouzakis among 6,825 internal medicine physician records in Massachusetts
Antonios Mouzakis, MD is one of 6,825 internal medicine physician records with a practice address in Massachusetts. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 84% of them.
- NPI issued2019 · 84% of these records are older, 13% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2015 · median 2004 among the 4,103 with a school on file
- Record last updated2022 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
448 internal medicine physician records list a practice address in Worcester
They are 448 of the 13,166 NPPES records with a practice address in Worcester, and 6,825 internal medicine physician records in Massachusetts.
All 6,825 in Massachusetts → Every provider in Worcester → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Maria Casal, M.D.Worcester, MA 016051609859503
- Paula Cullinane, M.D.Worcester, MA 016051952384950
- Michael Galica, M.D.Worcester, MA 016051972586733
- Maria Garcia, M.D.Worcester, MA 016051396726220
- Mary Hawthorne, M.D.Worcester, MA 016051013990787
- Gayatridevi Ika, M.D.Worcester, MA 016051124001102
- Jayanthi Kumar, M.D.Worcester, MA 016051528041423
- Christine Macginnis, D.O.Worcester, MA 016051952382772
Common questions
What is Antonios Mouzakis, MD's NPI number?
Antonios Mouzakis, MD's National Provider Identifier (NPI) is 1083267421, issued on Jul 23, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Antonios Mouzakis, MD located?
The NPPES record lists a practice address at 1 W Boylston St, Worcester, MA, 01605. Phone: (508) 854-2636. Providers update this record themselves, so call before visiting.
How can I verify Antonios Mouzakis, MD's license?
NPPES lists Massachusetts license number 292415, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Antonios Mouzakis, MD prescribe under Medicare Part D?
In 2024, Antonios Mouzakis, MD had 6,723 Medicare Part D claims for 696 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.