Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Internal Medicine

Anne Marie M. Collum, DO

Works at hospitals in Corvallis, OR · Albany, OR · Lebanon, OR … · Oregon

Summary

Dr. Anne Marie M. Collum, DO is an internal medicine doctor at 3521 NW Samaritan Dr, Suite 201, Corvallis, OR 97330. Phone: (541) 768-5140. Accepts Medicare assignment. In 2024, Anne Marie M. Collum had 245 Original Medicare patients and 686 services. NPI 1629463237. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about Anne Marie M. Collum, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Anne Marie M. Collum accept Medicare assignment?
Yes. Medicare's clinician data says Anne Marie M. Collum 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 Anne Marie M. Collum see?
In 2024, CMS data shows 245 Original Medicare patients and 686 services for Anne Marie M. Collum. This counts Original Medicare only and measures volume, not quality.
What is Anne Marie M. Collum's NPI number?
1629463237. 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 Anne Marie M. Collum, 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 patients245
Services billed to Medicare686
Different services or procedures22
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)348 services
  2. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)101 services
  3. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)92 services
  4. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)45 services
  5. Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit (G0438)20 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 pressure58%
  • High cholesterol58%
  • Arthritis39%
  • Diabetes24%
  • Osteoporosis18%
  • Depression17%

Hospitals where Anne Marie M. Collum works

Medicare's Facility Affiliation Data lists Anne Marie M. Collum 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.

Practice locations

Addresses where Anne Marie M. Collum is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Anne Marie M. Collum as a member of these groups (CMS data updated October 2, 2026).

  • Good Samaritan Hospital Corvallis380 clinicians in the group
  • Samaritan Pacific Health Services Inc87 clinicians in the group

Specialties

Find other Internal Medicine doctors in Oregon →

Other internal medicine doctors in Corvallis

Clinicians with the same Medicare primary specialty in Corvallis, OR — not a recommendation.

All internal medicine doctors in Corvallis →

Other clinicians in Good Samaritan Hospital Corvallis

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialDO
Graduation year2015 (11 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1629463237
CorrectionsReport 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

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians