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

Hematology/Oncology

Johnnie J. Orozco

Works at hospitals in Seattle, WA · Washington

Summary

Johnnie J. Orozco is a hematologist-oncologist at 1701 Columbia Rd, Seattle, WA 98195. Phone: (206) 598-3100. Accepts Medicare assignment. In 2024, Johnnie J. Orozco had 39 Original Medicare patients and 242 services. NPI 1396907275. 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: Hematologist-oncologist (Medicare lists Hematology/Oncology)
  • Address: 1701 Columbia Rd, Seattle, WA 98195 · Directions (2 more locations)
  • Phone: (206) 598‑3100
  • Medicare: Accepts Medicare assignment
  • Hospital: University of Washington Medical Center
  • Group practice: The Association of University Physicians
  • Medical school: University Of Washington School Of Medicine · graduated 2006 (20 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Johnnie J. Orozco, 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 Johnnie J. Orozco accept Medicare assignment?
Yes. Medicare's clinician data says Johnnie J. Orozco 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 Johnnie J. Orozco see?
In 2024, CMS data shows 39 Original Medicare patients and 242 services for Johnnie J. Orozco. This counts Original Medicare only and measures volume, not quality.
What is Johnnie J. Orozco's NPI number?
1396907275. 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 Johnnie J. Orozco, 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 patients39
Services billed to Medicare242
Different services or procedures5
Participating Medicare providerYes
Average age of these patients69

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)141 services
  2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)81 services
  3. Hospital discharge day management, 30 minutes or less (99238)15 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 pressure72%
  • High cholesterol54%
  • Anxiety41%
  • Arthritis36%
  • Depression33%
  • Ischemic heart disease31%

Hospitals where Johnnie J. Orozco works

Medicare's Facility Affiliation Data lists Johnnie J. Orozco 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 Johnnie J. Orozco is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Johnnie J. Orozco as a member of this group (CMS data updated October 2, 2026).

  • The Association of University Physicians3,535 clinicians in the group

Specialties

Find other Hematology/Oncology doctors in Washington →

Other hematologist-oncologists in Seattle

Clinicians with the same Medicare primary specialty in Seattle, WA — not a recommendation.

All hematologist-oncologists in Seattle →

Other clinicians in The Association of University Physicians

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

Clinician information

Medical schoolUniversity Of Washington School Of Medicine
Graduation year2006 (20 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1396907275
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