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Critical Care (Intensivists)

Kelly L. Walsma, MD

Works at hospitals in Valencia, CA · California

Summary

Dr. Kelly L. Walsma, MD is a critical care doctor at 23845 McBean Pkwy, Valencia, CA 91355. Accepts Medicare assignment. In 2024, Kelly L. Walsma had 72 Original Medicare patients and 142 services. NPI 1215225321. 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: Critical care doctor (Medicare lists Critical Care (Intensivists))
  • Address: 23845 McBean Pkwy, Valencia, CA 91355 · Directions
  • Medicare: Accepts Medicare assignment
  • Hospital: Henry Mayo Newhall Hospital
  • Group practice: SCCT Medical Group PC
  • Medical school: graduated 2011 (15 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Kelly L. Walsma, 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 Kelly L. Walsma accept Medicare assignment?
Yes. Medicare's clinician data says Kelly L. Walsma 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 Kelly L. Walsma see?
In 2024, CMS data shows 72 Original Medicare patients and 142 services for Kelly L. Walsma. This counts Original Medicare only and measures volume, not quality.
What is Kelly L. Walsma's NPI number?
1215225321. 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 Kelly L. Walsma, 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 patients72
Services billed to Medicare142
Different services or procedures18
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Critical care, first 30-74 minutes (99291)94 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 cholesterol75%
  • Heart failure69%
  • Ischemic heart disease68%
  • Chronic kidney disease58%
  • Arthritis56%

Hospitals where Kelly L. Walsma works

Medicare's Facility Affiliation Data lists Kelly L. Walsma 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.

  • Henry Mayo Newhall HospitalValencia, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: not listed by Medicare · CCN 050624

Practice locations

Addresses where Kelly L. Walsma is enrolled with Medicare (CMS data updated October 2, 2026).

  • 23845 McBean PkwyValencia, CA 91355

Group practices

Medicare enrollment lists Kelly L. Walsma as a member of this group (CMS data updated October 2, 2026).

  • SCCT Medical Group PC12 clinicians in the group

Specialties

Find other Critical Care (Intensivists) doctors in California →

Other critical care doctors in Valencia

Clinicians with the same Medicare primary specialty in Valencia, CA — not a recommendation.

All critical care doctors in Valencia →

Other clinicians in SCCT Medical Group PC

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

Clinician information

CredentialMD
Graduation year2011 (15 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1215225321
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