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

Family Practice

Louise R. Butler, DO

Works at hospitals in Lancaster, PA · Pennsylvania

Summary

Dr. Louise R. Butler, DO is a family doctor at 2160 Lincoln Hwy E, Suite 1 4a, Lancaster, PA 17602. Phone: (717) 899-8113. Accepts Medicare assignment. In 2024, Louise R. Butler had 21 Original Medicare patients and 74 services. NPI 1548201700. 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: Family doctor (Medicare lists Family Practice)
  • Address: 2160 Lincoln Hwy E, Suite 1 4a, Lancaster, PA 17602 · Directions
  • Phone: (717) 899‑8113
  • Medicare: Accepts Medicare assignment
  • Hospital: Lancaster General Hospital
  • Medical school: University Of New England, College Of Osteo Medicine · graduated 1994 (32 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Louise R. Butler, 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 Louise R. Butler accept Medicare assignment?
Yes. Medicare's clinician data says Louise R. Butler 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 Louise R. Butler see?
In 2024, CMS data shows 21 Original Medicare patients and 74 services for Louise R. Butler. This counts Original Medicare only and measures volume, not quality.
What is Louise R. Butler's NPI number?
1548201700. 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 Louise R. Butler, 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 patients21
Services billed to Medicare74
Different services or procedures5
Participating Medicare providerYes
Average age of these patients66

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)36 services
  2. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)26 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 pressure57%
  • High cholesterol57%

Hospitals where Louise R. Butler works

Medicare's Facility Affiliation Data lists Louise R. Butler 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.

Practice locations

Addresses where Louise R. Butler is enrolled with Medicare (CMS data updated October 2, 2026).

Specialties

Find other Family Practice doctors in Pennsylvania →

Other family doctors in Lancaster

Clinicians with the same Medicare primary specialty in Lancaster, PA — not a recommendation.

All family doctors in Lancaster →

Clinician information

CredentialDO
Medical schoolUniversity Of New England, College Of Osteo Medicine
Graduation year1994 (32 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1548201700
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