Clifford Donald Mah, D.P.M.
Orthopedic Surgery · Podiatry · Sports Medicine (CMS) · Portland, OR
At a glance
12400 Nw Cornell Rd, Portland, OR 97229-5693
Published activity: Lower limb (leg) arthroscopy (minimally invasive joint repair) · Removal of nail tissue · Removal of tissue. View counts and coverage
NPPES record updated Jan 12, 2017. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
12400 Nw Cornell Rd Suite 201Portland, OR 97229-5693
Education & affiliations
- Medical / professional school
- California School Of Podiatric Medicine
- Graduation year
- 1995
- CMS specialties
- Orthopedic Surgery · Podiatry · Sports Medicine
Practice groups
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
| Procedure category | Published Medicare activity |
|---|---|
| Lower limb (leg) arthroscopy (minimally invasive joint repair) | 1-10 |
| Removal of nail tissue | 158 |
| Removal of tissue | 14 |
| Removal or shaving of skin growth | 82 |
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Find providers with a similar service mix
Compare 2024 published Medicare activity in the same reported specialty, here or in another city.
Industry-reported general payments
Includes reported transfers of value, such as meals, travel, or consulting. Payments do not establish improper conduct or quality of care. Research funding and ownership values are excluded from this total.
See payment purposes and reporting companies
Reported purposes
| Purpose | Amount |
|---|---|
| Food and beverage | $699.90 |
Reporting companies
| Company | Amount |
|---|---|
| STRYKER CORPORATION | $232.64 |
| SMITH+NEPHEW, INC. | $201.33 |
| DEPUY SYNTHES SALES INC. | $182.15 |
| FUSION ORTHOPEDICS USA, LLC | $24.59 |
| IBSA PHARMA INC. | $23.64 |
| ABBOTT LABORATORIES | $21.81 |
| ZIMMER BIOMET HOLDINGS, INC. | $13.74 |
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Orthopedic Surgery · Podiatry · Sports Medicine (CMS)
- Taxonomy code
- 213ES0103X
- Enumeration date
- May 17, 2006
- Record updated
- Jan 12, 2017
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- D.P.M.
Reported taxonomies and licenses
213ES0103X · Primary
License reported: DP00369 OR
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
12400 Nw Cornell RdSuite 201
Portland, OR 97229-5693
- Phone
- (503) 643-1737
- Fax
- (503) 643-4926
Mailing address
12400 NW CORNELL RDSUITE 201
PORTLAND, OR 972295693
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
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