Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Nurse Practitioner

Abby B. Sorensen, NP

Works at hospitals in Hermiston, OR · Walla Walla, WA · Pendleton, OR · Oregon, Washington

Summary

Abby B. Sorensen, NP is a nurse practitioner at 55 W Tietan St, Walla Walla, WA 99362. Accepts Medicare assignment. In 2024, Abby B. Sorensen had 175 Original Medicare patients and 11,038 services. NPI 1902289838. 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.

From official Medicare data

This page shows what Medicare's official clinician data says about Abby B. Sorensen, 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 Abby B. Sorensen accept Medicare assignment?
Yes. Medicare's clinician data says Abby B. Sorensen 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 Abby B. Sorensen see?
In 2024, CMS data shows 175 Original Medicare patients and 11,038 services for Abby B. Sorensen. This counts Original Medicare only and measures volume, not quality.
What is Abby B. Sorensen's NPI number?
1902289838. 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 Abby B. Sorensen, 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 patients175
Services billed to Medicare11,038
Different services or procedures71
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Injection, zoledronic acid, 1 mg (J3489)105 services
  2. Screening mammography (77067)62 services
  3. Screening 3d breast mammography (77063)61 services
  4. Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less (96365)30 services
  5. Dxa bone density measurement of hip, pelvis, spine (77080)27 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 cholesterol75%
  • High blood pressure59%
  • Arthritis47%
  • Osteoporosis26%
  • Anxiety23%
  • Diabetes22%

Hospitals where Abby B. Sorensen works

Medicare's Facility Affiliation Data lists Abby B. Sorensen 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.

  • Good Shepherd Medical CenterHermiston, OR · Critical Access Hospital · Emergency services: listed by Medicare · CCN 381325
  • Providence St Mary Medical CenterWalla Walla, WA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 500002
  • St Anthony HospitalPendleton, OR · Critical Access Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 381319

Practice locations

Addresses where Abby B. Sorensen is enrolled with Medicare (CMS data updated October 2, 2026).

  • 55 W Tietan StWalla Walla, WA 99362

Group practices

Medicare enrollment lists Abby B. Sorensen as a member of this group (CMS data updated October 2, 2026).

  • Privia Medical Group Washington PLLC76 clinicians in the group

Specialties

Find other clinicians: Nurse Practitioner, Washington →

Other nurse practitioners in Walla Walla

Clinicians with the same Medicare primary specialty in Walla Walla, WA — not a recommendation.

All nurse practitioners in Walla Walla →

Other clinicians in Privia Medical Group Washington PLLC

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

Clinician information

CredentialNP
Graduation year2015
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1902289838
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