Doctor profile · Federal record
Dr. Garrett Johnson, MD
Emergency Medicine Physician (CMS: Emergency Medicine) · Amarillo, TX
- NPI 1568082501
- Accepts Medicare
- 6 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 3 locations .
- Primary practice
-
1600 Wallace Blvd
Amarillo, TX 791061799
(806) 212-2000 - Additional location
-
1500 S Main St
Fort Worth, TX 761044917
(817) 702-8840 - Additional location
-
2400 N Interstate Highway 35 E
Waxahachie, TX 751655240
(469) 843-4000 - Mailing address
-
1500 S Main St
Fort Worth, TX 761044917
Credentials & registration
- NPI registered
- April 2020 — 6 yrs on file
- Profile last updated
- April 26, 2023
- Year of graduation
- 2020 — 6 yrs since
- Specialty taxonomy
- 207P00000X — NUCC code
- State license (1)
- Texas #T9712
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1568082501. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
381
Distinct HCPCS
4
Medicare allowed
$62,199
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99285 |
Emergency department visit with high level of medical decision making | 211 | 208 | $169 | |
99291 |
Critical care, first 30-74 minutes | 92 | 91 | $205 | |
99284 |
Emergency department visit with moderate level of medical decision making | 65 | 64 | $116 | |
93010 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 13 | 13 | $8 |
In context: peer comparison
Among 13 peers in Amarillo Emergency Medicine Physician, average services per provider: 122. This provider delivers 3.1× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
102
Patients
90
Total drug cost
$834
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Methocarbamol | Generic | 20 | 20 | $122 |
| Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) | Brand | 19 | 19 | $176 |
| Cefdinir | Generic | 13 | 12 | $250 |
| Ibuprofen | Generic | 13 | 13 | $72 |
| Ondansetron Hcl | Generic | 13 | 13 | $82 |
| Prednisone | Generic | 13 | 13 | $35 |
| Tamsulosin Hcl | Generic | 11 | 0 | $97 |
Frequently asked questions
What is Dr. Garrett Johnson's medical specialty?
Dr. Garrett Johnson practices Emergency Medicine Physician in Amarillo, TX.
Where does Dr. Garrett Johnson practice?
Dr. Garrett Johnson practices at 1600 Wallace Blvd, Amarillo, TX 791061799. Office phone: 8062122000.
What is Dr. Garrett Johnson's NPI?
Dr. Garrett Johnson's National Provider Identifier (NPI) is 1568082501, issued by NPPES.
Does Dr. Garrett Johnson accept Medicare assignment?
Yes. Dr. Garrett Johnson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Garrett Johnson commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Critical care (HCPCS 99291); Emergency department visit with moderate level of medical decision making (HCPCS 99284). Source: CMS Medicare Physician & Other Practitioners file.