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Nurse Practitioner

Lisa K. Schwartz, NP

Works at hospitals in Boston, MA · Massachusetts

Summary

Lisa K. Schwartz, NP is a nurse practitioner at 112 Southampton St, Boston, MA 02118. Phone: (617) 534-2881. Accepts Medicare assignment. In 2024, Lisa K. Schwartz had 20 Original Medicare patients and 31 services. NPI 1578618054. 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: Nurse practitioner
  • Address: 112 Southampton St, Boston, MA 02118 · Directions (3 more locations)
  • Phone: (617) 534‑2881
  • Medicare: Accepts Medicare assignment
  • Hospital: Boston Medical Center
  • Group practice: Boston Health Care for the Homeless Program, Inc.
  • School: graduated 1999
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Lisa K. Schwartz, 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 K. Schwartz accept Medicare assignment?
Yes. Medicare's clinician data says Lisa K. Schwartz 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 K. Schwartz see?
In 2024, CMS data shows 20 Original Medicare patients and 31 services for Lisa K. Schwartz. This counts Original Medicare only and measures volume, not quality.
What is Lisa K. Schwartz's NPI number?
1578618054. 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 K. Schwartz, 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 patients20
Services billed to Medicare31
Different services or procedures7
Participating Medicare providerYes
Average age of these patients57

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 pressure70%
  • Depression60%
  • Anxiety60%

Hospitals where Lisa K. Schwartz works

Medicare's Facility Affiliation Data lists Lisa K. Schwartz 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.

  • Boston Medical CenterBoston, MA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 220031

Practice locations

Addresses where Lisa K. Schwartz is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

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

  • Boston Health Care for the Homeless Program, Inc.72 clinicians in the group

Specialties

Find other clinicians: Nurse Practitioner, Massachusetts →

Other nurse practitioners in Boston

Clinicians with the same Medicare primary specialty in Boston, MA — not a recommendation.

All nurse practitioners in Boston →

Other clinicians in Boston Health Care for the Homeless Program, Inc.

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

Clinician information

CredentialNP
Graduation year1999
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1578618054
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