Doctor profile · Federal record
Dr. Diep Bui, M.D.
Epilepsy Physician (CMS: Neurology) · Neurology Physician · San Antonio, TX
- NPI 1649400359
- Accepts Medicare
- 22 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
4502 Medical Dr Fl 10
San Antonio, TX 782294402
(210) 743-0670
fax (210) 567-4659
Credentials & registration
- NPI registered
- July 2009 — 17 yrs on file
- Profile last updated
- October 15, 2025
- Year of graduation
- 2004 — 22 yrs since
- Specialty taxonomy
- 2084E0001X — NUCC code
- State license (1)
- Texas #S6141
- Medicaid
- TX #411686501
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1649400359. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
198
Distinct HCPCS
6
Medicare allowed
$23,899
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
95720 |
Measurement of brain wave activity with video (veeg), 12-26 hours with review and report by health care professional | 71 | 36 | $199 | |
95816 |
Measurement of brain wave activity (eeg), awake and drowsy | 57 | 51 | $55 | |
95718 |
Measurement of brain wave activity with video (veeg), 2-12 hours with review and report by health care professional | 20 | 18 | $129 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 20 | 16 | $95 | |
95813 |
Measurement of brain wave activity (eeg), 61-119 minutes | 18 | 18 | $83 | |
95812 |
Measurement of brain wave activity (eeg), 41-60 minutes | 12 | 12 | $55 |
In context: peer comparison
Among 3 peers in San Antonio Epilepsy Physician, average services per provider: 31. This provider delivers 6.4× the peer median.Open Payments
Industry payments received
All-time total
$569
Transactions
20
Manufacturers
7
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Teva Pharmaceuticals USA, INC. | 7 | $260.92 | |
| Ucb, INC. | 5 | $111.06 | |
| Neurelis, INC. | 2 | $64.88 | |
| Sk Life Science, INC. | 2 | $44.93 | |
| Averitas Pharma INC. | 2 | $40.08 | |
| Jazz Pharmaceuticals INC. | 1 | $38.02 | |
| Aucta Pharmaceuticals, INC. | 1 | $9.59 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
386
Patients
41
Total drug cost
$119,580
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Levetiracetam | Generic | 101 | 29 | $5,708 |
| Lacosamide | Generic | 35 | 12 | $14,016 |
| Vimpat (Lacosamide) | Brand | 35 | 0 | $43,633 |
| Topiramate | Generic | 31 | 0 | $510 |
| Clobazam | Generic | 30 | 0 | $7,263 |
| Lamotrigine | Generic | 25 | 0 | $457 |
| Xcopri (Cenobamate) | Brand | 23 | 0 | $23,225 |
| Oxcarbazepine | Generic | 22 | 0 | $1,639 |
| Ajovy Autoinjector (Fremanezumab-Vfrm) | Brand | 14 | 0 | $10,470 |
| Aimovig Autoinjector (Erenumab-Aooe) | Brand | 13 | 0 | $9,552 |
Hospital affiliations
Frequently asked questions
What is Dr. Diep Bui's medical specialty?
Dr. Diep Bui practices Epilepsy Physician in San Antonio, TX.
Where does Dr. Diep Bui practice?
Dr. Diep Bui practices at 4502 Medical Dr Fl 10, San Antonio, TX 782294402. Office phone: 2107430670.
What is Dr. Diep Bui's NPI?
Dr. Diep Bui's National Provider Identifier (NPI) is 1649400359, issued by NPPES.
Does Dr. Diep Bui accept Medicare assignment?
Yes. Dr. Diep Bui accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Diep Bui commonly perform?
Top Medicare-reported procedures in 2023: Measurement of brain wave activity with video (veeg) (HCPCS 95720); Measurement of brain wave activity (eeg), awake and drowsy (HCPCS 95816); Measurement of brain wave activity with video (veeg) (HCPCS 95718). Source: CMS Medicare Physician & Other Practitioners file.