ROBERT A WILLIAMS (M.D.) – Diagnostic Radiology Physician, NPI 1073553202
Diagnostic Radiology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
384 DIAGNOSTIC RADIOLOGY in OK
Loading map...
Provider Addresses for ROBERT A WILLIAMS (M.D.)
PO BOX 1031
GUYMON, OK 739421031
Phone: (580) 338-6515
Fax: (580) 225-5423
Type: Mailing
Speciality Clinics of St. Anne, 350, Northeast 12th Street, Guymon, Texas County, Oklahoma, 73942, United States
GUYMON, OK 739423624
Phone: (580) 461-1606
Fax: (580) 225-5423
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
Loading prescription activity...
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: 2010-09-16
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 |
|---|---|---|---|---|
| I20100916000447 | I | Diagnostic Radiology | 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 |
|---|---|---|---|---|
| 71045 | X-ray of chest, 1 view | 778 | 679 | $0 |
| 77063 | Screening 3d breast mammography | 410 | 410 | $0 |
| 77067 | Screening mammography | 409 | 409 | $0 |
| 70450 | Ct scan head or brain without contrast | 384 | 355 | $0 |
| 71046 | X-ray of chest, 2 views | 374 | 354 | $0 |
Insurance plans in this area (ZIP 73942)
Loading plans...
Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| DIAGNOSTIC RADIOLOGY | OK | 71010 | X-ray of chest, 1 view, front | 346 | 271 |
| DIAGNOSTIC RADIOLOGY | OK | 71250 | CT scan chest | 77 | 73 |
| DIAGNOSTIC RADIOLOGY | OK | 73562 | X-ray of knee, 3 views | 56 | 50 |
| DIAGNOSTIC RADIOLOGY | OK | 73630 | X-ray of foot, minimum of 3 views | 17 | 16 |
| DIAGNOSTIC RADIOLOGY | OK | 74177 | CT scan of abdomen and pelvis with contrast | 71 | 68 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Internal Medicine | TX | |
| Physician Assistant | TX | |
| - | TX | |
| Family Practice | TX | |
| Diagnostic Radiology, Interventional Radiology | TX | |
| Diagnostic Radiology, Interventional Radiology | TX | |
| Diagnostic Radiology | IL | |
| Otolaryngology, Pediatric Medicine | TX | |
| Physician Assistant | TX | |
| N E U R O L O G Y | 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.