Marie-Claire Maroun, MD
Rheumatology Physician · Holyoke, MA
Marie-Claire Maroun, MD is a rheumatology physician with a practice address in Holyoke, Massachusetts, and NPI 1942250501, issued on May 12, 2006. Check the license (Massachusetts 269301, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Marie-Claire Maroun
- Credential
- MD
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License numbers
- 269301 MA
4301080994 MI
Self-reported in NPPES; status is on the state search - Practice location
- 575 Beech St Ste 402, Holyoke, MA 01040
- Phone
- (413) 534-2682
- Enumerated
- May 12, 2006
- Record last updated
- Jul 21, 2022
- Fax
- (413) 534-2689
- Medicaid ID
- 4862687-10 MI
- Medicare enrollment
- Enrolled (PECOS I20230218000311); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest rheumatology physician records → All 343 in Massachusetts → Look up another NPI →
Also registered at 575 Beech St Ste 402
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ghousia Alikhan, M.D.Rheumatology Physician1801275383
Verify Marie-Claire Maroun in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 269301Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average rheumatology physician in 2024
250 Medicare Part D claims for 47 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.
Most prescribed
- Prednisone49 claims
- Hydroxychloroquine Sulfate37 claims
- Methotrexate28 claims
- Alendronate Sodium18 claims
- Humira(Cf) Pen16 claims
- Meloxicam13 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: $236.54
2 payments; by number, the most common kind was food and beverage; the largest payer was GlaxoSmithKline, LLC. The 4,486 providers of this specialty with any payment received $8,538.33 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.
Bills Medicare through one group practice
- Rutgers Health-Rwj Scleroderma ProgramNew Brunswick, NJ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marie-Claire Maroun among 343 rheumatology physician records in Massachusetts
Marie-Claire Maroun, MD is one of 343 rheumatology physician records with a practice address in Massachusetts. 73% 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 14% of them.
- NPI issued2006 · 14% of these records are older, 45% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1999 · median 2004 among the 212 with a school on file
- Record last updated2022 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RR0500X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Rheumatology Physician providers in Massachusetts
There are 343 rheumatology physician records in Massachusetts.
All 343 in Massachusetts → Every provider in Holyoke → Rheumatology Physician nationwide →
The 8 rheumatology physician records with the nearest ZIP codes
- Ghousia Alikhan, M.D.Holyoke, MA 010401801275383
- Juliann AllenHolyoke, MA 010401356835318
- Deepa Chandrasekaran, MDHolyoke, MA 010401619185097
- Dilpreet Singh, M.D.Holyoke, MA 010401487096996
- Karen Atkinson, M.D.Leeds, MA 010531942219670
- Kimberly May, MDLeeds, MA 010531588738447
- Elena Cravens, MDNorthampton, MA 010601659994267
- Teresa Klich-Nowak, M.D.Northampton, MA 010601366489072
Common questions
What is Marie-Claire Maroun, MD's NPI number?
Marie-Claire Maroun, MD's National Provider Identifier (NPI) is 1942250501, issued on May 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Marie-Claire Maroun, MD located?
The NPPES record lists a practice address at 575 Beech St Ste 402, Holyoke, MA, 01040. Phone: (413) 534-2682. Providers update this record themselves, so call before visiting.
How can I verify Marie-Claire Maroun, MD's license?
NPPES lists Massachusetts license number 269301, 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 Marie-Claire Maroun, MD prescribe under Medicare Part D?
In 2024, Marie-Claire Maroun, MD had 250 Medicare Part D claims for 47 beneficiaries; the average among rheumatology physician prescribers was 1,978. 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.