JOHN P WILLIAMS (MD) – Surgery Physician, NPI 1104837244
Surgery Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
935 GENERAL SURGERY in VA
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Provider Addresses for JOHN P WILLIAMS (MD)
Medical Building 1 - Health Center, 8650, Sudley Road, Country Place, Manassas, Manassas (city), Virginia, 20110, United States
#206
MANASSAS, VA 20110
Phone: (703) 368-9234
Fax: (703) 368-0505
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 2 Open Payments records for all available years, with a total value of $40.
Total Amount is formed as General ($40) + Research ($0) + Ownership ($0) = $40.
Last reported payment date: 2023-04-19 • Largest payer in this snapshot: Ethicon US, LLC ($24).
Total Amount
$40
General + Research + Ownership
Payments
2
Total payment records
General Amount
$40
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-04-19
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Ethicon US, LLC | $24 |
| Hologic Sales and Service, LLC | $16 |
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: 2018-10-19
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 |
|---|---|---|---|---|
| I20111212000561 | I | General Surgery | VA | TBD |
| I20181019001105 | I | General Surgery | DC | 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 |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 133 | 124 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 86 | 65 | $0 |
| 76641 | Complete ultrasound scan of 1 breast | 79 | 72 | $0 |
| 99205 | New patient office or other outpatient visit, 60-74 minutes | 58 | 58 | $0 |
| 19301 | Partial removal of breast | 46 | 44 | $0 |
Insurance plans in this area (ZIP 20110)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| GENERAL SURGERY | VA | 19301 | Partial removal of breast | 15 | 12 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Physician Assistant | VA | |
| D E R M A T O L O G Y | VA | |
| - | DC | |
| Plastic And Reconstructive Surgery, Hand Surgery | VA | |
| Physician Assistant | VA | |
| D E R M A T O L O G Y | NY | |
| Physician Assistant | VA |
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