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Certified Registered Nurse Anesthetist (CRNA)

David C. Bullock, CNA

Works at hospitals in Portland, OR · Oregon

Summary

David C. Bullock, CNA is a nurse anesthetist at 3181 SW Sam Jackson Park Rd, Portland, OR 97239. Phone: (503) 494-7641. Accepts Medicare assignment. In 2024, David C. Bullock had 84 Original Medicare patients and 84 services. NPI 1831368802. 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: Nurse anesthetist (Medicare lists Certified Registered Nurse Anesthetist (CRNA))
  • Address: 3181 SW Sam Jackson Park Rd, Portland, OR 97239 · Directions (2 more locations)
  • Phone: (503) 494‑7641
  • Medicare: Accepts Medicare assignment
  • Hospital: OHSU Hospital and Clinics
  • Group practice: University Anesthesiology Associates LLC
  • School: graduated 2007
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about David C. Bullock, 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 David C. Bullock accept Medicare assignment?
Yes. Medicare's clinician data says David C. Bullock 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 David C. Bullock see?
In 2024, CMS data shows 84 Original Medicare patients and 84 services for David C. Bullock. This counts Original Medicare only and measures volume, not quality.
What is David C. Bullock's NPI number?
1831368802. 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 David C. Bullock, 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 patients84
Services billed to Medicare84
Different services or procedures43
Participating Medicare providerYes
Average age of these patients69

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 pressure68%
  • High cholesterol65%
  • Arthritis46%
  • Anxiety35%
  • Depression31%
  • Ischemic heart disease29%

Hospitals where David C. Bullock works

Medicare's Facility Affiliation Data lists David C. Bullock 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 David C. Bullock is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists David C. Bullock as a member of this group (CMS data updated October 2, 2026).

  • University Anesthesiology Associates LLC241 clinicians in the group

Specialties

Find other clinicians: Certified Registered Nurse Anesthetist (CRNA), Oregon →

Other nurse anesthetists in Portland

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

All nurse anesthetists in Portland →

Other clinicians in University Anesthesiology Associates LLC

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

Clinician information

CredentialCNA
Graduation year2007
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1831368802
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