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

Surgical Oncology

Cristian Valenzuela, MD

Works at hospitals in Astoria, OR · Portland, OR · Salem, OR · Oregon

Summary

Dr. Cristian Valenzuela, MD is a surgical oncologist at 3181 SW Sam Jackson Park Rd, Portland, OR 97239. Phone: (503) 494-8311. Accepts Medicare assignment. In 2024, Cristian Valenzuela had 89 Original Medicare patients and 247 services. NPI 1902198153. 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 Cristian Valenzuela, 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 Cristian Valenzuela accept Medicare assignment?
Yes. Medicare's clinician data says Cristian Valenzuela 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 Cristian Valenzuela see?
In 2024, CMS data shows 89 Original Medicare patients and 247 services for Cristian Valenzuela. This counts Original Medicare only and measures volume, not quality.
What is Cristian Valenzuela's NPI number?
1902198153. 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 Cristian Valenzuela, 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 patients89
Services billed to Medicare247
Different services or procedures62
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)49 services
  2. New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more (99205)25 services
  3. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)19 services
  4. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)17 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 pressure67%
  • High cholesterol62%
  • Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)34%
  • Arthritis31%
  • Atrial fibrillation21%
  • Ischemic heart disease20%

Hospitals where Cristian Valenzuela works

Medicare's Facility Affiliation Data lists Cristian Valenzuela 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.

  • Columbia Memorial HospitalAstoria, OR · Critical Access Hospital · Emergency services: listed by Medicare · CCN 381320
  • OHSU Hospital and ClinicsPortland, OR · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 380009
  • Salem HospitalSalem, OR · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 380051

Practice locations

Addresses where Cristian Valenzuela is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Cristian Valenzuela as a member of this group (CMS data updated October 2, 2026).

  • University Professional Services1,724 clinicians in the group

Specialties

Find other Surgical Oncology doctors in Oregon →

Other surgical oncologists in Portland

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

All surgical oncologists in Portland →

Other clinicians in University Professional Services

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

Clinician information

CredentialMD
Medical schoolNew York University School Of Medicine
Graduation year2011 (15 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1902198153
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