Quick answers
- Does Marion L. Gardner Jr. accept Medicare assignment?
- Medicare's clinician data says Marion L. Gardner Jr. may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
- How many Medicare patients does Marion L. Gardner Jr. see?
- In 2024, CMS data shows 162 Original Medicare patients and 3,965 services for Marion L. Gardner Jr.. This counts Original Medicare only and measures volume, not quality.
- What is Marion L. Gardner Jr.'s NPI number?
- 1740382480. 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 Marion L. Gardner Jr., 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 | 162 |
|---|---|
| Services billed to Medicare | 3,965 |
| Different services or procedures | 65 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Injection, methylprednisolone acetate, 1 mg (J1010)1,778 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)287 services
- Insertion of needle into vein for collection of blood sample (36415)157 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)106 services
- Testing for presence of drug, read by direct observation (80305)55 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 blood pressure57%
- High cholesterol48%
- Arthritis36%
- Diabetes31%
- Ischemic heart disease19%
- Heart failure19%
Hospitals where Marion L. Gardner Jr. works
Medicare's Facility Affiliation Data lists Marion L. Gardner Jr. 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.
- Hillsboro Medical CenterHillsboro, OR · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 380021
Practice locations
Addresses where Marion L. Gardner Jr. is enrolled with Medicare (CMS data updated October 2, 2026).
- 10245 NW Glencoe RdNorth Plains, OR 97133 (503) 647‑9261
Specialties
- Family Practiceprimary
Other family doctors in Oregon
Clinicians with the same Medicare primary specialty in Oregon — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Oregon Health Sciences University School Of Medicine |
| Graduation year | 1990 (36 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1740382480 |
| 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