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Nurse Practitioner

Krystal F. Saum, NP

Sees patients in Mission Viejo, CA · Riverside, CA · California

Summary

Krystal F. Saum, NP is a nurse practitioner at 23228 Madero, Mission Viejo, CA 92691. Phone: (949) 900-4580. Accepts Medicare assignment. NPI 1952090425. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: Nurse practitioner
  • Address: 23228 Madero, Mission Viejo, CA 92691 · Directions (1 more location)
  • Phone: (949) 900‑4580
  • Medicare: Accepts Medicare assignment
  • Group practice: Nebula Health, LLC
  • School: graduated 2022
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Krystal F. Saum, 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 Krystal F. Saum accept Medicare assignment?
Yes. Medicare's clinician data says Krystal F. Saum 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.
What is Krystal F. Saum's NPI number?
1952090425. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Krystal F. Saum is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Krystal F. Saum as a member of this group (CMS data updated October 2, 2026).

  • Nebula Health, LLC20 clinicians in the group

Specialties

Find other clinicians: Nurse Practitioner, California →

Other nurse practitioners in Mission Viejo

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

All nurse practitioners in Mission Viejo →

Other clinicians in Nebula Health, LLC

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

Clinician information

CredentialNP
Graduation year2022
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1952090425
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians