DR. THOMAS C. BROWN (M.D.) – Surgery Physician, NPI 1851399398
Surgery Physician
Main info
Doctor Profile
Contacts
Profile Insights
NPPES metrics only — not quality of care.
2,646 GENERAL SURGERY in TX
Provider Addresses for DR. THOMAS C. BROWN (M.D.)
12221 N MOPAC EXPY
AUSTIN, TX 787582401
Phone: (512) 901-4019
Fax: (512) 901-3919
Type: Mailing
PO BOX 26499
BELFAST, ME 049152015
Phone: (830) 896-6262
Fax: (830) 896-6269
Type: Mailing
251 CULLY DR STE B
KERRVILLE, TX 780286084
Phone: (830) 896-6262
Fax: (830) 896-6269
Type: Location
Mopac Expressway, Austin, Travis County, Texas, 78739, United States
AUSTIN, TX 78758
Phone: (512) 901-4019
Fax: (512) 901-3919
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 3 Open Payments records for all available years, with a total value of $60.
Total Amount is formed as General ($60) + Research ($0) + Ownership ($0) = $60.
Last reported payment date: 2024-10-07 • Largest payer in this snapshot: ICU Medical Inc ($43).
Total Amount
$60
General + Research + Ownership
Payments
3
Total payment records
General Amount
$60
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-10-07
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ICU Medical Inc | $43 |
| Stryker Corporation | $18 |
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: 2007-10-30
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 |
|---|---|---|---|---|
| I20071030000167 | I | General Surgery | 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 |
|---|---|---|---|---|
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 94 | 94 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 58 | 49 | $0 |
| 83735 | Magnesium level | 40 | 40 | $0 |
| 36415 | Insertion of needle into vein for collection of blood sample | 38 | 38 | $0 |
| 85025 | Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | 38 | 38 | $0 |
Insurance plans in this area (ZIP 78758)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | TX | |
| Nurse Practitioner | TX | |
| Nurse Practitioner | TX | |
| Certified Registered Nurse Anesthetist (Crna) | TX | |
| Certified Registered Nurse Anesthetist (Crna) | TX | |
| O B S T E T R I C S/ G Y N E C O L O G Y | TX | |
| Certified Nurse Midwife (Cnm) | TX | |
| Internal Medicine, Geriatric Medicine | KS | |
| Internal Medicine, Gastroenterology | TX | |
| Physician Assistant | TX |
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