MARIE-CLAIRE MAROUN (MD) – Rheumatology Physician, NPI 1942250501
Rheumatology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
306 RHEUMATOLOGY in MA
Provider Addresses for MARIE-CLAIRE MAROUN (MD)
575 BEECH ST STE 402
HOLYOKE, MA 010402223
Phone: (413) 534-2682
Fax: (413) 534-2689
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 4 Open Payments records for all available years, with a total value of $408.
Total Amount is formed as General ($408) + Research ($0) + Ownership ($0) = $408.
Last reported payment date: 2024-11-14 • Largest payer in this snapshot: GlaxoSmithKline, LLC. ($353).
Total Amount
$408
General + Research + Ownership
Payments
4
Total payment records
General Amount
$408
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-14
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| GlaxoSmithKline, LLC. | $353 |
| Janssen Biotech, Inc. | $55 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2023-02-18
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20170207000963 | I | Rheumatology | MA | TBD |
| I20230218000311 | I | Rheumatology | NJ | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 21 | 16 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 11 | 11 | $0 |
Insurance plans in this area (ZIP 01040)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| RHEUMATOLOGY | MA | 20610 | Aspiration and/or injection of large joint or joint capsule | 86 | 30 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| U R O L O G Y | CA | |
| Infectious Disease | MI | |
| Cardiovascular Disease (Cardiology) | NJ | |
| G A S T R O E N T E R O L O G Y | MD | |
| O B S T E T R I C S/ G Y N E C O L O G Y | NY | |
| Nurse Practitioner | NJ | |
| Infectious Disease | MI | |
| Cardiovascular Disease (Cardiology) | NJ | |
| Radiation Oncology | NJ | |
| Infectious Disease | NY |
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