Dr. Chatt A. Johnson, MD
Vascular Surgery (Vascular Surgery Physician)
- Medicare participating
At a glance
- In the NPI registry since
- 2005
- Medicare patients seen, 2024
- 263
Licensed in Texas since 1995, according to the Texas Medical Board. We show license dates only for the states that publish them in bulk; see which states do. For other states, check the state medical board.
The NPI date is when this clinician registered for a National Provider Identifier, the billing number used on health claims. It is not a license, graduation or board-certification date. NPIs were first issued in May 2005 and became required on claims in 2007–2008, so an early date usually means the clinician was already in practice before then. What an NPI is
Education and training
- 2005Registered with an NPI (national billing number; not a license date) — NPIs began in 2005, so practice likely started earlier
Medicare’s Care Compare data doesn’t list this clinician’s medical school. Undergraduate school, residency, fellowship, licensing exams and board certification aren’t in public federal data. Board certification can be confirmed with the certifying board (ABMS member boards for MDs, AOA boards for DOs).
Specialties and state licenses
-
Vascular Surgery Physician primary
WA license MD60327871 (first issued 2013; active) · TX license J8003 (first issued 1995; cancelled by request) -
Emergency Medicine Physician
TX license J8003 (first issued 1995; cancelled by request) -
Surgery Physician
TX license J8003 (first issued 1995; cancelled by request) · WA license MD60327871 (first issued 2013; active)
As reported to the NPI registry. To confirm a license is current, check the state medical board.
Medicare patients and services
- Medicare patients, 2024
- 263
- Services billed
- 497
- Patients’ average age
- 78
| Service | Times | Patients |
|---|---|---|
| Established patient office or other outpatient visit, 10-19 minutes | 230 | 123 |
| Removal of skin and tissue, 20.0 sq cm or less | 106 | 52 |
| New patient office or other outpatient visit, 15-29 minutes | 56 | 56 |
| Established patient office or other outpatient visit, 20-29 minutes | 34 | 28 |
| Ultrasound of both sides of head and neck blood flow | 33 | 33 |
| Ultrasound study of one arm or leg veins with compression and maneuvers | 24 | 24 |
| New patient office or other outpatient visit, 30-44 minutes | 22 | 22 |
| Ultrasound study of arm or leg veins with compression and maneuvers | 16 | 16 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 16 | 11 |
| Complete ultrasound of aorta, vena cava, groin vessels or bypass grafts | 12 | 12 |
Medicare fee-for-service only. CMS leaves out services billed for fewer than 11 patients. These figures describe a practice’s Medicare work; they aren’t a measure of quality.
Medicare prescriptions
| Drug | Prescriptions |
|---|---|
| Clopidogrel (clopidogrel bisulfate) Other prescribers in Tacoma, WA | 16 |
Prescriptions filled under Medicare Part D, including refills. CMS leaves out drugs prescribed fewer than 11 times.
Payments from drug and device companies
In 2025, 1 companies reported 1 payments worth $99.79 in total to this clinician.
| Boston Scientific Corporation | $99.79 |
|---|
| Food and Beverage | $99.79 |
|---|
From CMS Open Payments. A payment is not evidence of wrongdoing; many are for consulting, teaching or meals. Clinicians can review and dispute their records with CMS.