DR. DIEP BUI (M.D.) – Epilepsy Physician, NPI 1649400359
Epilepsy Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,738 NEUROLOGY in TX
Provider Addresses for DR. DIEP BUI (M.D.)
4502 MEDICAL DR FL 10
SAN ANTONIO, TX 782294402
Phone: (210) 743-0670
Fax: (210) 567-4659
Type: Mailing
Rock Spring Court, 6410, Rockledge Drive, Bethesda, Montgomery County, Maryland, 20817, United States
SUITE 610
BETHESDA, MD 208171809
Phone: (301) 530-9745
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 43 Open Payments records for all available years, with a total value of $1,276.
Total Amount is formed as General ($1,276) + Research ($0) + Ownership ($0) = $1,276.
Last reported payment date: 2024-12-16 • Largest payer in this snapshot: Teva Pharmaceuticals USA, Inc. ($432).
Total Amount
$1,276
General + Research + Ownership
Payments
43
Total payment records
General Amount
$1,276
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-16
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Teva Pharmaceuticals USA, Inc. | $432 |
| SK Life Science, Inc. | $231 |
| UCB, Inc. | $163 |
| Neurocrine BioSciences, Inc. | $147 |
| Neurelis, Inc. | $130 |
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: 2020-06-11
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
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 |
|---|---|---|---|---|
| I20160524000213 | I | Neurology | DC | TBD |
| I20200611001563 | I | Neurology | 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 |
|---|---|---|---|---|
| 95720 | Measurement of brain wave activity with video (veeg), 12-26 hours with review and report by health care professional | 71 | 36 | $0 |
| 95816 | Measurement of brain wave activity (eeg), awake and drowsy | 57 | 51 | $0 |
| 95718 | Measurement of brain wave activity with video (veeg), 2-12 hours with review and report by health care professional | 20 | 18 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 20 | 16 | $0 |
| 95813 | Measurement of brain wave activity (eeg), 61-119 minutes | 18 | 18 | $0 |
Insurance plans in this area (ZIP 78229)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | TX | |
| - | TX | |
| - | TX | |
| Internal Medicine, Hospitalist | TX | |
| - | TX | |
| - | TX | |
| Internal Medicine, Hematology/Oncology | TX | |
| - | TX | |
| Hematology/Oncology, Medical Oncology | TX | |
| - | TX |
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