ROBERT OBRIEN (M.D.) – Family Medicine Physician, NPI 1003043027
Family Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
8,705 FAMILY PRACTICE in TX
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Provider Addresses for ROBERT OBRIEN (M.D.)
4316, James Casey Street, Austin, Travis County, Texas, 78745, United States
BLDG F200
AUSTIN, TX 787451116
Phone: (512) 791-7555
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)
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: 2009-09-22
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 |
|---|---|---|---|---|
| I20090922000305 | I | Family Practice | 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 |
|---|---|---|---|---|
| J1100 | Injection, dexamethasone sodium phosphate, 1 mg | 130 | 13 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 72 | 69 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 40 | 40 | $0 |
| 96372 | Injection of drug or substance under skin or into muscle | 25 | 23 | $0 |
Insurance plans in this area (ZIP 78745)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Physician Assistant | TX | |
| - | TX | |
| Physician Assistant | TX | |
| - | NC | |
| Physician Assistant | TX | |
| - | TX | |
| Physician Assistant | TX | |
| Nurse Practitioner | TX | |
| Family Practice | TX | |
| - | TX |
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