DR. ARTHUR P. WILLIAMS (M.D.) – Internal Medicine Physician, NPI 1811953664
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
141 HOSPITALIST in RI
Provider Addresses for DR. ARTHUR P. WILLIAMS (M.D.)
2109 Hartford Ave
Johnston, RI 029193246
Phone: (401) 587-1000
Type: Location
101 PLEASANTWOODS LN
HANOVER, MA 023391881
Phone:
Type: Mailing
PO BOX 850981
BRAINTREE, MA 021850981
Phone: (781) 848-1300
Type: Mailing
Encompass Health Rehabilitation Hospital of Braintree, 250, Pond Street, Braintree, Norfolk County, Massachusetts, 02184, United States
BRAINTREE, MA 021845351
Phone: (781) 848-1300
Fax: (781) 356-1829
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: 2025-08-06
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 |
|---|---|---|---|---|
| I20060126000547 | I | Internal Medicine | MA | TBD |
| I20240522002199 | I | Internal Medicine | RI | TBD |
| I20250806003025 | I | Internal Medicine | CT | 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 |
|---|---|---|---|---|
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 1,439 | 378 | $0 |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 273 | 159 | $0 |
| 99239 | Hospital discharge day management, more than 30 minutes | 259 | 255 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 240 | 232 | $0 |
Insurance plans in this area (ZIP 02919)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Internal Medicine | MA | |
| Physical Medicine And Rehabilitation | MA | |
| Internal Medicine | MA | |
| Internal Medicine | NH | |
| Physician Assistant | MA | |
| Nurse Practitioner | MA | |
| Physician Assistant | MA | |
| Physical Medicine And Rehabilitation | MA | |
| Nurse Practitioner | MA | |
| Physical Medicine And Rehabilitation | MA |
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