DR. GUY ANTHONY II WILLIAMS (MD) – Anatomic Pathology & Clinical Pathology Physician, NPI 1053978577
Anatomic Pathology & Clinical Pathology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,394 PATHOLOGY in TX
Provider Addresses for DR. GUY ANTHONY II WILLIAMS (MD)
6670 BERTNER AVE OFC R2-216
HOUSTON, TX 770302602
Phone:
Type: Mailing
6670 Bertner Ave Ofc R2-216
Houston, TX 770302602
Phone: (713) 441-1577
Type: Location
6201 GREENLEIGH AVE
MIDDLE RIVER, MD 212202004
Phone: (410) 933-6423
Type: Mailing
600 N WOLFE ST
BALTIMORE, MD 212870005
Phone: (410) 955-3580
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: 2024-08-02
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 |
|---|---|---|---|---|
| I20240802002509 | I | Pathology | 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 |
|---|---|---|---|---|
| 88305 | Pathology examination of tissue using a microscope, intermediate complexity | 57 | 30 | $0 |
| 88307 | Pathology examination of tissue using a microscope, moderately high complexity | 24 | 14 | $0 |
| 88342 | Special stained specimen slides to examine tissue, initial procedure | 13 | 11 | $0 |
Insurance plans in this area (ZIP 77030)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| P A T H O L O G Y | TX | |
| - | TX | |
| P A T H O L O G Y | TX | |
| P A T H O L O G Y | TX | |
| P A T H O L O G Y | TN | |
| - | TX | |
| - | TX | |
| P A T H O L O G Y | VA | |
| - | TX | |
| P A T H O L O G Y | TX |
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