1. Home
  2. Directory
  3. Massachusetts
  4. Boston
  5. Internal Medicine
  6. NPI Profile

KRISTEN G. SCHAEFER M.D.
NPI 1023093747
Internal Medicine - Hospice and Palliative Medicine in Boston, MA

Active since December 15, 2005PECOS Enrolled
450 BROOKLINE AVE, D2007, BOSTON, MA 02215(617) 632-6464(617) 632-6180 Get Directions Write a Review

NPPES record last updated: March 20, 2014. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Kristen G. Schaefer M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

KRISTEN G. SCHAEFER M.D. (NPI 1023093747) is an individual hospice and palliative medicine provider in Boston, Massachusetts, licensed in Massachusetts (238030) and active in the NPI registry since December 2005. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1023093747
Entity TypeIndividualFemale
Primary Taxonomy207RH0002X
Provider Legal NameKRISTEN G. SCHAEFERCredential: M.D.
Location Address450 BROOKLINE AVE, D2007Boston, MA 02215-5418
Mailing Address450 Brookline Ave, D2007Boston, MA 02215-5418 · (617) 632-6464 · Fax (617) 632-6180
Phone(617) 632-6464
Fax(617) 632-6180
Sole ProprietorNo
Enumeration DateDecember 15, 2005
Last NPPES UpdateMarch 20, 2014
✔ NPI 1023093747 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Hospice and Palliative MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RH0002X
License✔ Licensed in MA · 238030
Definition
An internal medicine physician with special knowledge and skills to prevent and relieve the suffering experienced by patients with life-limiting illnesses. This specialist works with an interdisciplinary hospice or palliative care team to maximize quality of life while addressing physical, psychological, social and spiritual needs of both patient and family throughout the course of the disease, through the dying process, and beyond for the family. This specialist has expertise in the assessment of patients with advanced disease; the relief of distressing symptoms; the coordination of interdisciplinary patient and family-centered care in diverse venues; the use of specialized care systems including hospice; the management of the imminently dying patient; and legal and ethical decision making in end-of-life care.
Also ListedInternal MedicineTaxonomy 207R00000X · License 32505 (DC), 238030 (MA)
450 BROOKLINE AVE, Boston, MA 02215
Open in Google Maps ↗

Other Identifiers 1

Medicare UPINH90090

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Kristen G. Schaefer M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

3

Medicare enrollment records show Kristen Schaefer reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Dana-Farber Cancer Institute, Inc.
Same address
General Acute Care Hospital
450 BROOKLINE AVE
Boston, MA 02215
  • Reassigned Medicare billing, Massachusetts enrollment
  • Also billed through NPI 1346433257 (Massachusetts)
  • 1,026 clinicians in this Medicare group
NPI 1851333686 (617) 632-3000
Brigham & Womens Physicians Organization Inc
0.1 mi
Internal Medicine
75 FRANCIS ST
Boston, MA 02115
  • Reassigned Medicare billing, Massachusetts enrollment
  • 4,574 clinicians in this Medicare group
NPI 1033535497 (617) 732-5500
Care Dimensions, Inc.
17 mi
Case Management
75 SYLVAN ST, SUITE B-102
Danvers, MA 01923
  • Reassigned Medicare billing, Massachusetts enrollment
  • 64 clinicians in this Medicare group
NPI 1316084890 (978) 774-7566

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

PRABHSIMRANJOT SINGH MD
Internal Medicine (Hematology & Oncology)
450 BROOKLINE AVE
BOSTON, MA 02215
Suffolk County (617) 582-7956
SHAWN MAGUIRE PA-C
Physician Assistant
450 BROOKLINE AVE
BOSTON, MA 02215
Suffolk County (617) 582-8487
KARINA FRANCA
Genetic Counselor, MS
450 BROOKLINE AVE
BOSTON, MA 02215
Suffolk County (857) 215-2285
DR. SUZANNE JAQUETH FORREST M.D.
Pediatrics (Pediatric Hematology-Oncology)
450 BROOKLINE AVE
BOSTON, MA 02215
Suffolk County (617) 632-3270
LAUREN KIRITSY MSW, LCSW
Counselor (Mental Health)
450 BROOKLINE AVE
BOSTON, MA 02215
Suffolk County (857) 215-3448
OFIR WOLAJ MD
Internal Medicine (Hematology & Oncology)
450 BROOKLINE AVE, DANA 2058
BOSTON, MA 02215
Suffolk County (617) 632-6139
JASON BATALHA AGPCNP-BC
Nurse Practitioner
450 BROOKLINE AVE
BOSTON, MA 02215
Suffolk County (617) 632-6140
FATIMA EMRAN AMIR MS, LGC
Genetic Counselor, MS
450 BROOKLINE AVE
BOSTON, MA 02215
Suffolk County (617) 632-3729

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Kristen Schaefer's NPI number?

The NPI number for Kristen Schaefer is 1023093747. It was assigned to this individual provider in the NPPES registry on December 15, 2005.

Where is Kristen Schaefer located?

Kristen Schaefer practices at 450 Brookline Ave D2007, Boston, MA 02215. The listed phone number is (617) 632-6464.

What is Kristen Schaefer's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hospice and Palliative Medicine, with taxonomy code 207RH0002X.

Is Kristen Schaefer enrolled in Medicare?

Yes. Kristen Schaefer is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Kristen Schaefer's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Kristen Schaefer reassigns Medicare benefits to 3 organizations: Dana-Farber Cancer Institute, Inc. (Boston, MA), Brigham & Womens Physicians Organization Inc (Boston, MA) and Care Dimensions, Inc. (Danvers, MA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Kristen Schaefer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Kristen Schaefer was last updated on March 20, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.