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Physician Assistant

Shawnna T. Reilly, PA

Works at hospitals in Pleasanton, CA · California

Summary

Shawnna T. Reilly, PA is a physician assistant at 1111 E Stanley Blvd, Livermore, CA 94550. Phone: (925) 373-4018. Accepts Medicare assignment. In 2024, Shawnna T. Reilly had 269 Original Medicare patients and 303 services. NPI 1124158712. 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: Physician assistant
  • Address: 1111 E Stanley Blvd, Livermore, CA 94550 · Directions (3 more locations)
  • Phone: (925) 373‑4018
  • Medicare: Accepts Medicare assignment
  • Hospital: Stanford Health Care Tri-Valley
  • Group practice: Pleasanton Emergency Medical Group
  • School: graduated 2006
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Shawnna T. Reilly, 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 Shawnna T. Reilly accept Medicare assignment?
Yes. Medicare's clinician data says Shawnna T. Reilly 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 Shawnna T. Reilly see?
In 2024, CMS data shows 269 Original Medicare patients and 303 services for Shawnna T. Reilly. This counts Original Medicare only and measures volume, not quality.
What is Shawnna T. Reilly's NPI number?
1124158712. 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 Shawnna T. Reilly, 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 patients269
Services billed to Medicare303
Different services or procedures17
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)164 services
  2. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)56 services
  3. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)31 services
  4. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)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 cholesterol75%
  • High blood pressure72%
  • Arthritis47%
  • Osteoporosis26%
  • Diabetes25%
  • Ischemic heart disease24%

Hospitals where Shawnna T. Reilly works

Medicare's Facility Affiliation Data lists Shawnna T. Reilly 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.

  • Stanford Health Care Tri-ValleyPleasanton, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050283

Practice locations

Addresses where Shawnna T. Reilly is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Shawnna T. Reilly as a member of this group (CMS data updated October 2, 2026).

  • Pleasanton Emergency Medical Group38 clinicians in the group

Specialties

Find other clinicians: Physician Assistant, California →

Other physician assistants in Livermore

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

All physician assistants in Livermore →

Other clinicians in Pleasanton Emergency Medical Group

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

Clinician information

CredentialPA
Graduation year2006
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1124158712
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