HEATHER WILLIAMS (P.A.-C) – Physician Assistant, NPI 1386645687
Physician Assistant
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Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
5,091 PHYSICIAN ASSISTANT in MA
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Provider Addresses for HEATHER WILLIAMS (P.A.-C)
840, Winter Street, Waltham, Middlesex County, Massachusetts, 02451, United States
ATTN: BOSTON SPORTS & SHOULDER CENTER
WALTHAM, MA 024511433
Phone: (781) 890-2133
Fax: (781) 890-2177
Type: Mailing
Boylston Street, Chestnut Hill, Newton, Middlesex County, Massachusetts, 02467, United States
SUITE 107
CHESTNUT HILL, MA 024672503
Phone: (617) 264-1100
Fax: (617) 264-1101
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: 2004-09-03
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 |
|---|---|---|---|---|
| I20040903000378 | I | Physician Assistant | MA | 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 |
|---|---|---|---|---|
| J7325 | Hyaluronan or derivative, synvisc or synvisc-one, for intra-articular injection, 1 mg | 384 | 15 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 171 | 109 | $0 |
| 20610 | Aspiration and/or injection of fluid from large joint | 110 | 61 | $0 |
| J1030 | Injection, methylprednisolone acetate, 40 mg | 94 | 45 | $0 |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | 71 | 71 | $0 |
Insurance plans in this area (ZIP 02451)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| PHYSICIAN ASSISTANT | MA | 20610 | Aspiration and/or injection of large joint or joint capsule | 84 | 42 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| E N D O C R I N O L O G Y | MA | |
| P A T H O L O G Y | MA | |
| - | MA | |
| A N E S T H E S I O L O G Y | MA | |
| Cardiac Surgery | MA | |
| Internal Medicine, Geriatric Medicine | MA | |
| H E M A T O L O G Y/ O N C O L O G Y | MA | |
| Interventional Cardiology, Cardiovascular Disease (Cardiology) | MA | |
| U R O L O G Y | MA | |
| - | MA |
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