DR. COLVILLE T. WILLIAMS – Specialist, NPI 1861490005
Specialist
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,168 NEPHROLOGY in TX
Loading map...
Provider Addresses for DR. COLVILLE T. WILLIAMS
Almeda Road, Avondale, Almeda, Houston, Harris County, Texas, 77047-4206, United States
HOUSTON, TX 770542101
Phone: (713) 654-0808
Type: Location
13219 Dotson Rd Ste 200
Houston, TX 770704308
Phone: (281) 571-8090
Fax: (281) 571-8095
Type: Location
1331 W Grand Pkwy N Ste 320
Katy, TX 774932711
Phone: (713) 468-5440
Fax: (713) 973-0778
Type: Location
10425 Huffmeister Rd Ste 420
Houston, TX 770653429
Phone: (281) 571-8090
Fax: (281) 571-8095
Type: Location
915 GESSNER RD STE 360
HOUSTON, TX 770242540
Phone: (713) 468-5440
Fax: (713) 973-0778
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
Loading prescription activity...
Open Payments (CMS)
CMS reports 14 Open Payments records for all available years, with a total value of $330.
Total Amount is formed as General ($330) + Research ($0) + Ownership ($0) = $330.
Last reported payment date: 2024-10-24 • Largest payer in this snapshot: GlaxoSmithKline, LLC. ($51).
Total Amount
$330
General + Research + Ownership
Payments
14
Total payment records
General Amount
$330
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-10-24
Latest reported date
Top Companies
Largest payers in this snapshot
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: 2006-03-01
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 |
|---|---|---|---|---|
| I20060301000540 | I | Nephrology | 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 |
|---|---|---|---|---|
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 351 | 96 | $0 |
| 90960 | Dialysis services, 4 or more physician visits per month (20 years or older) | 161 | 27 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 88 | 42 | $0 |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 86 | 70 | $0 |
| 90935 | Hemodialysis procedure with physician evaluation | 40 | 20 | $0 |
Insurance plans in this area (ZIP 77054)
Loading plans...
Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | TX | |
| - | TX | |
| Internal Medicine | TX | |
| - | TX | |
| Nurse Practitioner | TX | |
| Nurse Practitioner | TX | |
| N E P H R O L O G Y | TX | |
| Nephrology, Internal Medicine | TX | |
| N E P H R O L O G Y | TX | |
| - | TX |
Reviews
All reviews are moderated before publication. Reviews reflect users' opinions; we do not verify the accuracy of individual reviews.
No reviews yet. Be the first to share your experience — your opinion helps families compare providers.