Dr. Peter F. Johnston, MD
General Surgery (Surgery Physician)
13400 E Shea Blvd
Scottsdale, AZ 85259
Who else practices at this address →
Maricopa County includes primary care (13% of residents) and dental (0% of residents) and mental health (4% of residents) shortage areas. About shortage areas
- Medicare participating
At a glance
- Years since graduation
- 14
- In the NPI registry since
- 2012
- Medicare patients seen, 2024
- 246
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. What an NPI is
Education and training
- 2012Registered with an NPI (national billing number; not a license date)
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
-
Surgery Physician primary
AZ license 63625 - Student in an Organized Health Care Education/Training Program
As reported to the NPI registry. To confirm a license is current, check the state medical board.
Where they work
Hospitals
- Mayo Clinic Hospital Phoenix, AZ
Medical groups
- Mayo Clinic Arizona (1,626 clinicians)
Hospitals this clinician lists with Medicare, and groups they bill Medicare through (Care Compare). Affiliation doesn’t mean they see patients at every location.
Medicare patients and services
- Medicare patients, 2024
- 246
- Services billed
- 484
- Patients’ average age
- 74
| Service | Times | Patients |
|---|---|---|
| Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 80 | 54 |
| Critical care, first 30-74 minutes | 75 | 36 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 37 | 28 |
| Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes | 31 | 30 |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 26 | 26 |
| New patient office or other outpatient visit, 30-44 minutes | 14 | 14 |
| Established patient office or other outpatient visit, 20-29 minutes | 14 | 14 |
| Repair of groin hernia using an endoscope | 13 | 13 |
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.
Payments from drug and device companies
In 2025, 1 companies reported 4 payments worth $811 in total to this clinician.
| Intuitive Surgical, Inc. | $811 |
|---|
| Travel and Lodging | $433 |
|---|---|
| Food and Beverage | $378 |
What the payments were for
| Company | What it was for | Amount |
|---|---|---|
| Intuitive Surgical, Inc. Feb 18, 2025 | Travel and Lodging Da Vinci Surgical System · SURGERY · travel to PHOENIX, AZ · in-kind | $230 |
| Intuitive Surgical, Inc. Feb 18, 2025 | Travel and Lodging Da Vinci Surgical System · SURGERY · travel to PHOENIX, AZ · in-kind | $183 |
| Intuitive Surgical, Inc. Feb 18, 2025 | Travel and Lodging Da Vinci Surgical System · SURGERY · travel to PHOENIX, AZ · in-kind | $19.00 |
Each payment as the company reported it, with the products it named. Meals are counted in the totals above but not listed one by one.
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.