Quick answers
- Does Oleg I. Maksimov accept Medicare assignment?
- Yes. Medicare's clinician data says Oleg I. Maksimov 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 Oleg I. Maksimov see?
- In 2024, CMS data shows 191 Original Medicare patients and 2,613 services for Oleg I. Maksimov. This counts Original Medicare only and measures volume, not quality.
- What is Oleg I. Maksimov's NPI number?
- 1780796326. 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 Oleg I. Maksimov, 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 | 191 |
|---|---|
| Services billed to Medicare | 2,613 |
| Different services or procedures | 49 |
| Participating Medicare provider | Yes |
| Average age of these patients | 71 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)900 services
- Remote therapeutic monitoring treatment management services by physician or other qualified health care professional, first 20 minutes per calendar month (98980)809 services
- Testing for presence of drug, by chemistry analyzers (80307)176 services
- Drug test(s), definitive, utilizing (1) drug identification methods able to identify individual drugs and distinguish between structural isomers (but not necessarily stereoisomers), including, but not limited to gc/ms (any type, single or tandem) and lc/ms (G0480)144 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)103 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).
- Arthritis75%
- High blood pressure70%
- High cholesterol64%
- Anxiety45%
- Depression30%
- Diabetes28%
Hospitals where Oleg I. Maksimov works
Medicare's Facility Affiliation Data lists Oleg I. Maksimov at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Adventist Health PortlandPortland, OR · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 380060
- Legacy Mount Hood Medical CenterGresham, OR · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 380025
Practice locations
Addresses where Oleg I. Maksimov is enrolled with Medicare (CMS data updated October 2, 2026).
- 689 NW Burnside RdGresham, OR 97030 (503) 382‑8100
Group practices
Medicare enrollment lists Oleg I. Maksimov as a member of this group (CMS data updated October 2, 2026).
- Columbia Pain and Spine Institute5 clinicians in the group
Specialties
Find other Physical Medicine and Rehabilitation doctors in Oregon →
Other rehabilitation doctors in Oregon
Clinicians with the same Medicare primary specialty in Oregon — not a recommendation.
Other clinicians in Columbia Pain and Spine Institute
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1998 (28 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1780796326 |
| 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- 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