Doctor profile · Federal record
Dr. Bret Witter, M.D.
Cardiovascular Disease Physician (CMS: Cardiovascular Disease (Cardiology)) · Los Alamitos, CA
- NPI 1396783387
- Accepts Medicare
- MIPS 85.3 / 100 · 2023
- 39 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
5300 Katella Ave
Los Alamitos, CA 907202808
(562) 430-7533
fax (562) 430-8055
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- October 11, 2018
- Year of graduation
- 1987 — 39 yrs since
- Specialty taxonomy
- 207RC0000X — NUCC code
- State license (1)
- California #A45250
- Medicaid
- CA #00A452500
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1396783387. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
3,694
Distinct HCPCS
10
Medicare allowed
$313,985
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 997 | 517 | $140 | |
93010 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 860 | 701 | $9 | |
93000 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 330 | 269 | $16 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 185 | 73 | $127 | |
93306 |
Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | 182 | 174 | $224 | |
85610 |
Blood test, clotting time | 156 | 12 | $4 | |
93306 |
Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | 122 | 118 | $72 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 90 | 81 | $185 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 68 | 68 | $182 | |
93294 |
Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days | 59 | 29 | $32 |
In context: peer comparison
Among 5 peers in this city , average services per provider: 210. This provider delivers 18× the peer median.Open Payments
Industry payments received
All-time total
$212
Transactions
8
Manufacturers
7
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| ATRICURE, INC. | 1 | $62.23 | |
| Boston Scientific Corporation | 1 | $37.23 | |
| ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) | 2 | $31.33 | |
| SANOFI-AVENTIS U.S. LLC | 1 | $25.31 | |
| Inspire Medical Systems, Inc. | 1 | $20.93 | |
| iRhythm Technologies, Inc. | 1 | $20.82 | |
| Celgene Corporation | 1 | $14.27 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
4,622
Patients
1,314
Total drug cost
$1,392,838
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Eliquis (Apixaban) | Brand | 838 | 202 | $925,031 |
| Metoprolol Succinate | Generic | 586 | 169 | $12,820 |
| Atorvastatin Calcium | Generic | 461 | 135 | $7,317 |
| Xarelto (Rivaroxaban) | Brand | 394 | 78 | $403,367 |
| Amlodipine Besylate | Generic | 361 | 110 | $3,282 |
| Losartan Potassium | Generic | 310 | 92 | $5,624 |
| Furosemide | Generic | 249 | 90 | $2,284 |
| Rosuvastatin Calcium | Generic | 243 | 80 | $8,838 |
| Spironolactone | Generic | 218 | 69 | $2,312 |
| Digoxin | Generic | 195 | 54 | $5,348 |
Frequently asked questions
What is Dr. Bret Witter's medical specialty?
Dr. Bret Witter practices Cardiovascular Disease Physician in Los Alamitos, CA.
Where does Dr. Bret Witter practice?
Dr. Bret Witter practices at 5300 Katella Ave, Los Alamitos, CA 907202808. Office phone: 5624307533.
What is Dr. Bret Witter's NPI?
Dr. Bret Witter's National Provider Identifier (NPI) is 1396783387, issued by NPPES.
Does Dr. Bret Witter accept Medicare assignment?
Yes. Dr. Bret Witter accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Bret Witter commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (HCPCS 93000). Source: CMS Medicare Physician & Other Practitioners file.