DR. JOHN CHARLES MACH (DO) – Internal Medicine Physician, NPI 1104312909
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
242 DIAGNOSTIC RADIOLOGY in RI
Provider Addresses for DR. JOHN CHARLES MACH (DO)
593 EDDY ST
PROVIDENCE, RI 029034923
Phone: (401) 432-2500
Type: Location
4201 SAINT ANTOINE ST # ST9C
DETROIT, MI 482012153
Phone:
Type: Mailing
123 Summer St
Worcester, MA 016081216
Phone: (508) 363-6040
Type: Location
211 Park St
Attleboro, MA 027033143
Phone: (508) 222-5200
Type: Location
4201 Saint Antoine St # St9C
Detroit, MI 48201
Phone: (313) 745-3000
Type: Location
125 METRO CENTER BLVD STE 2000
WARWICK, RI 028861785
Phone: (401) 432-2500
Fax: (401) 889-3619
Type: Mailing
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: 2025-10-20
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 3 Medicare enrollment records; no due dates published yet.
Enrollment records
3
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 |
|---|---|---|---|---|
| I20231027000180 | I | Diagnostic Radiology | MA | TBD |
| I20240217000305 | I | Diagnostic Radiology | RI | TBD |
| I20251020000954 | I | Diagnostic Radiology | VT | 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.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 02903)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Diagnostic Radiology | RI | |
| Diagnostic Radiology | RI | |
| Diagnostic Radiology | RI | |
| - | RI | |
| Diagnostic Radiology | MA | |
| Diagnostic Radiology | RI | |
| Diagnostic Radiology | RI | |
| Diagnostic Radiology | RI | |
| Diagnostic Radiology, Nuclear Medicine | RI | |
| Diagnostic Radiology | MA |
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