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Internal Medicine

Sarah A. Swanson

Works at hospitals in Valencia, CA · Mission Hills, CA · California

Summary

Sarah A. Swanson is an internal medicine doctor at 11333 Sepulveda Blvd, Mission Hills, CA 91345. Phone: (818) 365-9531. Accepts Medicare assignment. In 2024, Sarah A. Swanson had 148 Original Medicare patients and 1,958 services. NPI 1417342668. 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: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 11333 Sepulveda Blvd, Mission Hills, CA 91345 · Directions (4 more locations)
  • Phone: (818) 365‑9531
  • Medicare: Accepts Medicare assignment
  • Hospitals: Henry Mayo Newhall Hospital, Providence Holy Cross Medical Center
  • Group practice: Providence Facey Medical Foundation
  • Medical school: Warren Alpert Medical School Of Brown University · graduated 2015 (11 years since medical school)
  • Gender (as listed): Female
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Sarah A. Swanson, 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 Sarah A. Swanson accept Medicare assignment?
Yes. Medicare's clinician data says Sarah A. Swanson 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 Sarah A. Swanson see?
In 2024, CMS data shows 148 Original Medicare patients and 1,958 services for Sarah A. Swanson. This counts Original Medicare only and measures volume, not quality.
What is Sarah A. Swanson's NPI number?
1417342668. 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 Sarah A. Swanson, 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 patients148
Services billed to Medicare1,958
Different services or procedures67
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Insertion of needle into vein for collection of blood sample (36415)194 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)184 services
  3. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)55 services
  4. Screening mammography (77067)23 services
  5. Administration of influenza virus vaccine (G0008)23 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 cholesterol74%
  • High blood pressure57%
  • Arthritis41%
  • Diabetes24%
  • Chronic kidney disease24%
  • Depression19%

Hospitals where Sarah A. Swanson works

Medicare's Facility Affiliation Data lists Sarah A. Swanson 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
  • Providence Holy Cross Medical CenterMission Hills, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050278

Practice locations

Addresses where Sarah A. Swanson is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Sarah A. Swanson as a member of this group (CMS data updated October 2, 2026).

  • Providence Facey Medical Foundation385 clinicians in the group

Specialties

Find other Internal Medicine doctors in California →

Other internal medicine doctors in Mission Hills

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

All internal medicine doctors in Mission Hills →

Other clinicians in Providence Facey Medical Foundation

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

Clinician information

Medical schoolWarren Alpert Medical School Of Brown University
Graduation year2015 (11 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1417342668
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