George Groussis, MD
Internal Medicine Physician · Worcester, MA
George Groussis, MD is an internal medicine physician with a practice address in Worcester, Massachusetts, and NPI 1184690992, issued on Feb 23, 2006. Check the license (Massachusetts 81987, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- George Groussis
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 81987 MA
Self-reported in NPPES; status is on the state search - Practice location
- 140 W Boylston Dr, Worcester, MA 01606
- Phone
- (508) 756-9200
- Enumerated
- Feb 23, 2006
- Record last updated
- Apr 30, 2022
- Fax
- (508) 756-9277
- Medicaid ID
- 3152707 MA
- Medicare enrollment
- Enrolled (PECOS I20050328000678); accepts Medicare assignment
- Medical or professional school
- R Franklin University Of Med & Sci/Chicago Medical School, 1993
- 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 140 W Boylston Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify George Groussis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 81987Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
65% more Medicare Part D claims than the average internal medicine physician in 2024
5,232 Medicare Part D claims for 312 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 47 claims were for opioids.
Most prescribed
- Atorvastatin Calcium403 claims
- Amlodipine Besylate376 claims
- Lisinopril274 claims
- Famotidine230 claims
- Metoprolol Succinate168 claims
- Sertraline Hcl164 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: $1,034.97
49 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 50,334 providers of this specialty with any payment received $1,303.06 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.
George Groussis among 6,825 internal medicine physician records in Massachusetts
George Groussis, 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 2006, is newer than 12% of them.
- NPI issued2006 · 12% of these records are older, 54% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1993 · 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
- Caroline Alper, M.D.Worcester, MA 016061134228992
- Kern Bayard, MDWorcester, MA 016061699777888
- Wendy Bergman, MDWorcester, MA 016061083674451
- Lawrence Garber, MDWorcester, MA 016061912971037
- Kripa Gautam, MDWorcester, MA 016061447712815
- Frederick Georgian, MDWorcester, MA 016061205890746
- Robert Honig, MDWorcester, MA 016061386610467
- Patrick Hook, M.D.Worcester, MA 016061548420896
Common questions
What is George Groussis, MD's NPI number?
George Groussis, MD's National Provider Identifier (NPI) is 1184690992, issued on Feb 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is George Groussis, MD located?
The NPPES record lists a practice address at 140 W Boylston Dr, Worcester, MA, 01606. Phone: (508) 756-9200. Providers update this record themselves, so call before visiting.
How can I verify George Groussis, MD's license?
NPPES lists Massachusetts license number 81987, 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 George Groussis, MD prescribe under Medicare Part D?
In 2024, George Groussis, MD had 5,232 Medicare Part D claims for 312 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.