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Certified Registered Nurse Anesthetist (CRNA)

Kevin P. Lewis, CNA

Works at hospitals in Oceanside, CA · California

Summary

Kevin P. Lewis, CNA is a nurse anesthetist at 4002 Vista Way, Oceanside, CA 92056. Phone: (760) 724-8411. Accepts Medicare assignment. In 2024, Kevin P. Lewis had 154 Original Medicare patients and 235 services. NPI 1841831955. 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: 4002 Vista Way, Oceanside, CA 92056 · Directions
  • Phone: (760) 724‑8411
  • Medicare: Accepts Medicare assignment
  • Hospital: Tri-City Medical Center
  • Group practice: Darin Rentz DO PC (+1 more)
  • School: Midwestern University, Chicago College Of Osteopathic Med · graduated 2019
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Kevin P. Lewis, 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 Kevin P. Lewis accept Medicare assignment?
Yes. Medicare's clinician data says Kevin P. Lewis 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 Kevin P. Lewis see?
In 2024, CMS data shows 154 Original Medicare patients and 235 services for Kevin P. Lewis. This counts Original Medicare only and measures volume, not quality.
What is Kevin P. Lewis's NPI number?
1841831955. 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 Kevin P. Lewis, 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 patients154
Services billed to Medicare235
Different services or procedures53
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Insertion of artery tube for blood sampling or infusion through skin (36620)27 services
  2. Anesthesia for other procedure on lower leg, ankle, and foot bones (01480)13 services
  3. Anesthesia for procedure on upper 2/3rd of thigh bone (01230)12 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 pressure75%
  • High cholesterol71%
  • Arthritis58%
  • Atrial fibrillation38%
  • Diabetes32%
  • Ischemic heart disease31%

Hospitals where Kevin P. Lewis works

Medicare's Facility Affiliation Data lists Kevin P. Lewis 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.

  • Tri-City Medical CenterOceanside, CA · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 050128

Practice locations

Addresses where Kevin P. Lewis is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Kevin P. Lewis as a member of these groups (CMS data updated October 2, 2026).

  • Darin Rentz DO PC124 clinicians in the group
  • Sound Physicians Anesthesiology of California PC35 clinicians in the group

Specialties

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

Other nurse anesthetists in California

Clinicians with the same Medicare primary specialty in California — not a recommendation.

All nurse anesthetists in California →

Other clinicians in Darin Rentz DO PC

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

Clinician information

CredentialCNA
SchoolMidwestern University, Chicago College Of Osteopathic Med
Graduation year2019
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1841831955
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