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Gynecological Oncology

Jim A. Gosewehr, MD

Works at hospitals in Portland, OR · Oregon

Summary

Dr. Jim A. Gosewehr, MD is a gynecologic oncologist at 12123 SW 69th Ave, Tigard, OR 97223. Phone: (971) 708-7600. Accepts Medicare assignment. In 2024, Jim A. Gosewehr had 90 Original Medicare patients and 7,119 services. NPI 1629071592. 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.

  • Specialty: Gynecologic oncologist (Medicare lists Gynecological Oncology)
  • Address: 12123 SW 69th Ave, Tigard, OR 97223 · Directions (2 more locations)
  • Phone: (971) 708‑7600
  • Medicare: Accepts Medicare assignment
  • Hospital: Providence St Vincent Medical Center
  • Group practice: Northwest Cancer Specialists PC
  • Medical school: University Of Wisconsin School Of Medicine · graduated 1983 (43 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Jim A. Gosewehr, 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 Jim A. Gosewehr accept Medicare assignment?
Yes. Medicare's clinician data says Jim A. Gosewehr 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 Jim A. Gosewehr see?
In 2024, CMS data shows 90 Original Medicare patients and 7,119 services for Jim A. Gosewehr. This counts Original Medicare only and measures volume, not quality.
What is Jim A. Gosewehr's NPI number?
1629071592. 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 Jim A. Gosewehr, 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 patients90
Services billed to Medicare7,119
Different services or procedures82
Participating Medicare providerYes
Average age of these patients71

Most frequent services

  1. Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (85025)360 services
  2. Blood test, comprehensive group of blood chemicals (80053)257 services
  3. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)215 services
  4. Insertion of needle into vein for collection of blood sample (36415)197 services
  5. Immunologic analysis for detection of tumor antigen, quantitative; ca 125 (86304)193 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 pressure60%
  • High cholesterol53%
  • Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)44%
  • Arthritis28%
  • Anxiety24%
  • Osteoporosis23%

Hospitals where Jim A. Gosewehr works

Medicare's Facility Affiliation Data lists Jim A. Gosewehr 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 Jim A. Gosewehr is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Jim A. Gosewehr as a member of this group (CMS data updated October 2, 2026).

  • Northwest Cancer Specialists PC69 clinicians in the group

Specialties

Find other Gynecological Oncology doctors in Oregon →

Other gynecologic oncologists in Tigard

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

All gynecologic oncologists in Tigard →

Other clinicians in Northwest Cancer Specialists PC

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

Clinician information

CredentialMD
Medical schoolUniversity Of Wisconsin School Of Medicine
Graduation year1983 (43 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1629071592
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