PETER L WILLIS (M.D.) – Family Medicine Physician, NPI 1730144551
Family Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
439 EMERGENCY MEDICINE in RI
Provider Addresses for PETER L WILLIS (M.D.)
77 Franklin St
Westerly, RI 028913136
Phone: (401) 596-6464
Fax: (401) 348-8660
Type: Location
20 YORK STREET, CB-329
NEW HAVEN, CT 065103220
Phone: (203) 688-1734
Fax: (475) 246-9106
Type: Mailing
Westerly Hospital, 25, Wells Street, Westerly, South County, Rhode Island, 02891, United States
WESTERLY, RI 028912922
Phone: (401) 596-8990
Fax: (401) 865-2393
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: 2020-03-23
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 |
|---|---|---|---|---|
| I20040513000081 | I | Emergency Medicine | RI | TBD |
| I20200323003195 | I | Emergency 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 |
|---|---|---|---|---|
| 99285 | Emergency department visit with high level of medical decision making | 257 | 248 | $0 |
| 99284 | Emergency department visit with moderate level of medical decision making | 224 | 206 | $0 |
| 99283 | Emergency department visit with low level of medical decision making | 86 | 85 | $0 |
| 99291 | Critical care, first 30-74 minutes | 51 | 51 | $0 |
| 99282 | Emergency department visit with straightforward medical decision making | 27 | 25 | $0 |
Insurance plans in this area (ZIP 02891)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Emergency Medicine | RI | |
| Emergency Medicine | NY | |
| Emergency Medicine | CT | |
| Emergency Medicine | CT | |
| Emergency Medicine | RI | |
| Physician Assistant | RI | |
| Emergency Medicine | CT | |
| Emergency Medicine | NY | |
| Emergency Medicine | CT | |
| Physician Assistant | CT |
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