JOHN M. BARKLEY (M.D.) – Diagnostic Radiology Physician, NPI 1235129867
Diagnostic Radiology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
3,303 DIAGNOSTIC RADIOLOGY in TX
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Provider Addresses for JOHN M. BARKLEY (M.D.)
12554, Riata Vista Circle, Apple, Austin, Travis County, Texas, 78727, United States
AUSTIN, TX 787276431
Phone: (512) 795-5100
Fax: (512) 795-5122
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 7 Open Payments records for all available years, with a total value of $355.
Total Amount is formed as General ($355) + Research ($0) + Ownership ($0) = $355.
Last reported payment date: 2024-02-02 • Largest payer in this snapshot: Inari Medical, Inc. ($161).
Total Amount
$355
General + Research + Ownership
Payments
7
Total payment records
General Amount
$355
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-02-02
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Inari Medical, Inc. | $161 |
| Penumbra, Inc. | $75 |
| Boston Scientific Corporation | $49 |
| Sirtex Medical Inc | $41 |
| Medtronic, 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: 2005-05-31
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 |
|---|---|---|---|---|
| I20050531000316 | 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 |
|---|---|---|---|---|
| A9585 | Injection, gadobutrol, 0.1 ml | 7,550 | 94 | $0 |
| Q9967 | Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml | 3,890 | 47 | $0 |
| 71045 | X-ray of chest, 1 view | 1,191 | 848 | $0 |
| 71046 | X-ray of chest, 2 views | 593 | 577 | $0 |
| 74177 | Ct scan of abdomen and pelvis with contrast | 246 | 236 | $0 |
Insurance plans in this area (ZIP 78727)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| DIAGNOSTIC RADIOLOGY | TX | 71010 | X-ray of chest, 1 view, front | 1510 | 1181 |
| DIAGNOSTIC RADIOLOGY | TX | 71250 | CT scan chest | 86 | 84 |
| DIAGNOSTIC RADIOLOGY | TX | 73562 | X-ray of knee, 3 views | 40 | 36 |
| DIAGNOSTIC RADIOLOGY | TX | 73630 | X-ray of foot, minimum of 3 views | 18 | 18 |
| DIAGNOSTIC RADIOLOGY | TX | 74177 | CT scan of abdomen and pelvis with contrast | 99 | 99 |
| DIAGNOSTIC RADIOLOGY | TX | 77012 | Radiological supervision and interpretation of CT guidance for needle insertion | 27 | 25 |
| DIAGNOSTIC RADIOLOGY | TX | 93971 | Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers | 15 | 14 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Diagnostic Radiology | TX | |
| - | TX | |
| Diagnostic Radiology | TX | |
| - | TX | |
| - | TX | |
| Diagnostic Radiology | TX | |
| - | TX | |
| Diagnostic Radiology | WA | |
| Diagnostic Radiology | TX | |
| - | TX |
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