DR. SHAWN C CHAREST (MD) – Hospitalist Physician, NPI 1659355998
Hospitalist Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
191 HOSPICE/PALLIATIVE CARE in MA
Provider Addresses for DR. SHAWN C CHAREST (MD)
271 Carew St
Mercy Inpatient Medical Associates
Springfield, MA 011042377
Phone: (413) 748-9349
Fax: (413) 452-6080
Type: Location
Mercy Medical Center, 271, Carew Street, North End, Springfield, Hampden County, Massachusetts, 01104, United States
MERCY INPATIENT MEDICAL ASSOCIATES
SPRINGFIELD, MA 011042377
Phone: (413) 748-9349
Fax: (413) 452-6080
Type: Mailing
316 CALHOUN ST
CHARLESTON, SC 294011113
Phone: (843) 724-2926
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
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: 2014-11-24
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
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 |
|---|---|---|---|---|
| I20141124000559 | I | Internal Medicine | SC | 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 |
|---|---|---|---|---|
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 63 | 63 | $0 |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 16 | 16 | $0 |
Insurance plans in this area (ZIP 01104)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | FL | |
| - | GA | |
| - | GA | |
| Internal Medicine | FL | |
| Internal Medicine, Hospitalist | KY | |
| Internal Medicine | GA | |
| Internal Medicine | AL | |
| H O S P I T A L I S T | CA | |
| - | AL | |
| Physician Assistant | GA |
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