John M. Barnes, DPM
Podiatrists (Podiatrist)
- Medicare participating
At a glance
- Medical school
- California School of Podiatric Medicine (1999)
- Years since graduation
- 27
- In the NPI registry since
- 2006
- Medicare patients seen, 2024
- 390
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
- 1999Medical school: California School of Podiatric Medicine
- 2006Registered with an NPI (national billing number; not a license date) — NPIs began in 2005, so practice likely started earlier
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
-
Podiatrist primary
OR license DP00328
As reported to the NPI registry. To confirm a license is current, check the state medical board.
Where they work
Hospitals
- Providence Portland Medical Center Portland, OR
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
- 390
- Services billed
- 1,845
- Patients’ average age
- 80
| Service | Times | Patients |
|---|---|---|
| Removal of fingernails or toenails, 6 or more nails | 603 | 371 |
| Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes | 439 | 263 |
| Established patient office or other outpatient visit, 20-29 minutes | 192 | 63 |
| Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes | 137 | 136 |
| Removal of noncancer thickened skin growth, 1 growth | 79 | 36 |
| Trimming of fingernails or toenails | 61 | 25 |
| Removal of noncancer thickened skin growth, 2-4 growths | 53 | 30 |
| New patient office or other outpatient visit, 30-44 minutes | 45 | 45 |
| Established patient office or other outpatient visit, 30-39 minutes | 32 | 14 |
| Removal of fingernails or toenails, 1-5 nails | 17 | 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 |
|---|---|
| Amoxicillin-Clavulanate Potass (amoxicillin/potassium clav) Other prescribers in Portland, OR | 21 |
| Hydrocodone-Acetaminophen (hydrocodone/acetaminophen) Other prescribers in Portland, OR | 19 |
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, 4 companies reported 5 payments worth $226 in total to this clinician.
| Paragon 28, Inc. | $150 |
|---|---|
| Mimedx Group, Inc. | $37.41 |
| Vertex Pharmaceuticals Incorporated | $24.42 |
| Smith+nephew, Inc. | $14.38 |
| Food and Beverage | $226 |
|---|
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.