Quick answers
- Does Clifford D. Mah accept Medicare assignment?
- Yes. Medicare's clinician data says Clifford D. Mah accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Clifford D. Mah see?
- In 2024, CMS data shows 430 Original Medicare patients and 1,415 services for Clifford D. Mah. This counts Original Medicare only and measures volume, not quality.
- What is Clifford D. Mah's NPI number?
- 1962454934. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Clifford D. Mah, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 430 |
|---|---|
| Services billed to Medicare | 1,415 |
| Different services or procedures | 42 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)360 services
- X-ray of foot, minimum of 3 views (73630)205 services
- New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)194 services
- Injection, methylprednisolone acetate, 1 mg (J1010)183 services
- Removal of fingernails or toenails, 6 or more nails (11721)155 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High cholesterol68%
- High blood pressure63%
- Arthritis55%
- Diabetes28%
- Depression26%
- Chronic kidney disease23%
Practice locations
Addresses where Clifford D. Mah is enrolled with Medicare (CMS data updated October 2, 2026).
- 9115 SW Oleson Rd, Suite 205Portland, OR 97223 (503) 245‑2420
Group practices
Medicare enrollment lists Clifford D. Mah as a member of this group (CMS data updated October 2, 2026).
- Northwest Extremity Specialists LLC21 clinicians in the group
Specialties
- Podiatryprimary
- Orthopedic Surgeryalso
- Sports Medicinealso
Other podiatrists in Portland
Clinicians with the same Medicare primary specialty in Portland, OR — not a recommendation.
Other clinicians in Northwest Extremity Specialists LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DPM |
|---|---|
| Podiatric medical school | California School Of Podiatric Medicine |
| Graduation year | 1995 (31 years since podiatric medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1962454934 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians