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Geriatric Medicine

Lisa M. Walke, MD

Works at hospitals in Philadelphia, PA · Pennsylvania

Summary

Dr. Lisa M. Walke, MD is a geriatrician at 250 King of Prussia Rd, Radnor, PA 19087. Phone: (610) 902-5600. Accepts Medicare assignment. In 2024, Lisa M. Walke had 111 Original Medicare patients and 418 services. NPI 1548243751. 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 Lisa M. Walke, 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 Lisa M. Walke accept Medicare assignment?
Yes. Medicare's clinician data says Lisa M. Walke 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 Lisa M. Walke see?
In 2024, CMS data shows 111 Original Medicare patients and 418 services for Lisa M. Walke. This counts Original Medicare only and measures volume, not quality.
What is Lisa M. Walke's NPI number?
1548243751. 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 Lisa M. Walke, 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 patients111
Services billed to Medicare418
Different services or procedures15
Participating Medicare providerYes
Average age of these patients81

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)136 services
  2. Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or (G2212)50 services
  3. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)41 services
  4. 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)40 services
  5. New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more (99205)30 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 pressure75%
  • High cholesterol75%
  • Alzheimer's disease or dementia51%
  • Chronic kidney disease47%
  • Diabetes44%
  • Arthritis43%

Hospitals where Lisa M. Walke works

Medicare's Facility Affiliation Data lists Lisa M. Walke 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 Lisa M. Walke is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Lisa M. Walke as a member of this group (CMS data updated October 2, 2026).

  • University of Penn - Medical Group3,505 clinicians in the group

Specialties

Find other Geriatric Medicine doctors in Pennsylvania →

Other geriatricians in Radnor

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

All geriatricians in Radnor →

Other clinicians in University of Penn - Medical Group

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

Clinician information

CredentialMD
Medical schoolIcahn School Of Medicine At Mount Sinai
Graduation year1997 (29 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1548243751
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