WILLIAM GRANT DAVIS (M.D.) – Anatomic Pathology & Clinical Pathology Physician, NPI 1578504007
Anatomic Pathology & Clinical Pathology Physician
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Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,394 PATHOLOGY in TX
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Provider Addresses for WILLIAM GRANT DAVIS (M.D.)
Round Rock West Post Office, 797, Sam Bass Road, Old Round Rock, Round Rock, Williamson County, Texas, 78681, United States
BRAZOS VALLEY PATHOLOGY
ROUND ROCK, TX 78664
Phone: (903) 944-8991
Fax: (512) 597-2713
Type: Mailing
CHRISTUS Mother Frances Hospital - Tyler, 800, East Dawson Street, Tyler, Smith County, Texas, 75701, United States
TRINITY MOTHER FRANCES HOSPITAL
TYLER, TX 75701
Phone: (512) 814-0298
Fax: (512) 597-2713
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 4 Open Payments records for all available years, with a total value of $87.
Total Amount is formed as General ($87) + Research ($0) + Ownership ($0) = $87.
Last reported payment date: 2024-10-08 • Largest payer in this snapshot: Roche Diagnostics Corporation ($58).
Total Amount
$87
General + Research + Ownership
Payments
4
Total payment records
General Amount
$87
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-10-08
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Roche Diagnostics Corporation | $58 |
| ABBVIE INC. | $29 |
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: 2025-04-14
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 |
|---|---|---|---|---|
| I20250414001917 | I | Pathology | OK | 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 |
|---|---|---|---|---|
| 88305 | Pathology examination of tissue using a microscope, intermediate complexity | 1,285 | 817 | $0 |
| 88342 | Special stained specimen slides to examine tissue, initial procedure | 427 | 344 | $0 |
| 88341 | Special stained specimen slides to examine tissue, each additional procedure | 363 | 111 | $0 |
| 88360 | Microscopic genetic analysis of tumor, manual | 290 | 78 | $0 |
| 88307 | Pathology examination of tissue using a microscope, moderately high complexity | 246 | 138 | $0 |
Insurance plans in this area (ZIP 78664)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| P A T H O L O G Y | OK | |
| P A T H O L O G Y | OK | |
| P A T H O L O G Y | TN | |
| P A T H O L O G Y | OK | |
| P A T H O L O G Y | CA | |
| P A T H O L O G Y | TX | |
| Pathology, Hematology | OK | |
| P A T H O L O G Y | OK |
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