WILLIAM FELTS (PA-C) – Physician Assistant, NPI 1528411311
Physician Assistant
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
5,093 PHYSICIAN ASSISTANT in MA
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Provider Addresses for WILLIAM FELTS (PA-C)
PO Box 846028, Albany Street, Church Green, Financial District, Boston, Suffolk County, Massachusetts, 02284-6028, United States
BOSTON, MA 022414977
Phone: (781) 280-1695
Fax: (781) 276-6410
Type: Mailing
Saint Vincent Hospital at Worcester Medical Center, 123, Summer Street, Lincoln Square, Belmont Hill, Worcester, Worcester County, Massachusetts, 01608, United States
WORCESTER, MA 016081216
Phone: (781) 280-1695
Fax: (781) 276-6410
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: 2026-03-11
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 4 Medicare enrollment records; no due dates published yet.
Enrollment records
4
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 |
|---|---|---|---|---|
| I20180514000785 | I | Physician Assistant | NJ | TBD |
| I20260310002001 | I | Physician Assistant | NY | TBD |
| I20260311001829 | I | Physician Assistant | TX | TBD |
| I20260311003911 | I | Physician Assistant | PA | 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 | 107 | 106 | $0 |
| 93042 | Electrocardiogram (ecg) 1 to 3 leads with review by physician only | 106 | 101 | $0 |
| 99284 | Emergency department visit with moderate level of medical decision making | 101 | 101 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 43 | 43 | $0 |
| 99238 | Hospital discharge day management, 30 minutes or less | 16 | 16 | $0 |
Insurance plans in this area (ZIP 02241)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | NY | |
| Physician Assistant | NJ | |
| Emergency Medicine | PA | |
| Physician Assistant | NY | |
| Emergency Medicine | TX | |
| Emergency Medicine | NC | |
| Nurse Practitioner | NJ | |
| Emergency Medicine | NJ | |
| Nurse Practitioner | NY | |
| Physician Assistant | NJ |
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