Rita J. Semaan
Internal Medicine Physician · Worcester, MA
Rita J. Semaan is an internal medicine physician with a practice address in Worcester, Massachusetts, and NPI 1205077716, issued on Mar 12, 2009. Check the license (Massachusetts 2446358, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Rita J. Semaan
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 2446358 MA
LP 01424 RI
Self-reported in NPPES; status is on the state search - Practice location
- 1 W Boylston St, Worcester, MA 01605
- Phone
- (508) 854-2636
- Enumerated
- Mar 12, 2009
- Record last updated
- Oct 28, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20110808000526); 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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- Michael Galica, M.D.Internal Medicine Physician1972586733
- Paul Grenier, D.C.Chiropractor1962503938
- Thomas Hedstrom, D.D.S.General Practice Dentistry1609082346
Verify Rita J. Semaan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 2446358Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
5.8 times the Medicare Part D claims of the average internal medicine physician in 2024
18,383 Medicare Part D claims for 727 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. 92 claims were for opioids.
Most prescribed
- Atorvastatin Calcium1,171 claims
- Trazodone Hcl621 claims
- Amlodipine Besylate586 claims
- Levothyroxine Sodium554 claims
- Losartan Potassium537 claims
- Gabapentin520 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).
Rita J. Semaan among 6,825 internal medicine physician records in Massachusetts
Rita J. Semaan 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 2009, is newer than 60% of them.
- NPI issued2009 · 60% of these records are older, 37% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2002 · median 2004 among the 4,103 with a school on file
- Record last updated2020 · 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 Rita J. Semaan's NPI number?
Rita J. Semaan's National Provider Identifier (NPI) is 1205077716, issued on Mar 12, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Rita J. Semaan 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 Rita J. Semaan's license?
NPPES lists Massachusetts license number 2446358, 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 Rita J. Semaan prescribe under Medicare Part D?
In 2024, Rita J. Semaan had 18,383 Medicare Part D claims for 727 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.