JOHN HAROLD WILLIAMS (DO) – Obstetrics & Gynecology Physician, NPI 1720076573
Obstetrics & Gynecology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
3,164 OBSTETRICS/GYNECOLOGY in TX
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Provider Addresses for JOHN HAROLD WILLIAMS (DO)
17198, Saint Luke's Way, College Park, The Woodlands, Montgomery County, Texas, 77384, United States
#440
THE WOODLANDS, TX 773848011
Phone: (936) 321-1009
Fax: (936) 321-1045
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 9 Open Payments records for all available years, with a total value of $422.
Total Amount is formed as General ($422) + Research ($0) + Ownership ($0) = $422.
Last reported payment date: 2024-05-20 • Largest payer in this snapshot: Intuitive Surgical, Inc. ($158).
Total Amount
$422
General + Research + Ownership
Payments
9
Total payment records
General Amount
$422
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-05-20
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Intuitive Surgical, Inc. | $158 |
| Sumitomo Pharma America, Inc. | $110 |
| Avion Pharmaceuticals | $37 |
| MAYNE PHARMA COMMERCIAL LLC | $37 |
| ABBVIE INC. | $33 |
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: 2009-03-26
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 |
|---|---|---|---|---|
| I20090326000137 | I | Obstetrics/Gynecology | TX | 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 |
|---|---|---|---|---|
| G0101 | Cervical or vaginal cancer screening; pelvic and clinical breast examination | 22 | 22 | $0 |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | 14 | 14 | $0 |
Insurance plans in this area (ZIP 77384)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| OBSTETRICS/GYNECOLOGY | TX | 81002 | Urinalysis, manual test | 14 | 12 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| - | TX | |
| - | TX | |
| - | NY | |
| Sleep Medicine, Critical Care (Intensivists) | TX | |
| Surgical Oncology | NY | |
| General Surgery | TN | |
| General Surgery | GA | |
| U R O L O G Y | NY | |
| Nurse Practitioner | TX | |
| O B S T E T R I C S/ G Y N E C O L O G Y | TX |
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