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KATHERINE STILES LICSW
NPI 1790877074
Social Worker - Clinical in Cambridge, MA

Active since September 28, 2006Opted out of Medicare · through Jan 17, 2027
75 MOUNT AUBURN ST, HARVARD UNIVERSITY HEALTH SERVICE, CAMBRIDGE, MA 02138(617) 496-8700(617) 495-6059 Get Directions Write a Review

NPPES record last updated: November 6, 2007. Verified against the NPPES registry weekly; last sync: August 23, 2026.

About Katherine Stiles Licsw NPPES

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

KATHERINE STILES LICSW (NPI 1790877074) is an individual clinical provider in Cambridge, Massachusetts, licensed in Massachusetts (108028) and active in the NPI registry since September 2006. She has opted out of Medicare through January 17, 2027.

NPPES Registry Identity

NPI1790877074
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameKATHERINE STILESCredential: LICSW
Location Address75 MOUNT AUBURN ST, HARVARD UNIVERSITY HEALTH SERVICECambridge, MA 02138-4960
Mailing Address75 Mount Auburn St, Harvard University Health ServiceCambridge, MA 02138-4960 · (617) 496-8700 · Fax (617) 495-6059
Phone(617) 496-8700
Fax(617) 495-6059
Sole ProprietorNo
Enumeration DateSeptember 28, 2006
Last NPPES UpdateNovember 6, 2007
✔ NPI 1790877074 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed in MA · 108028
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
75 MOUNT AUBURN ST, Cambridge, MA 02138
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Other Identifiers 1

Medicare ID-Type UnspecifiedP23164MA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Katherine Stiles Licsw has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from January 17, 2025 through January 17, 2027.

Opt-Out Effective DateJanuary 17, 2025
Opt-Out In Effect ThroughJanuary 17, 2027Opt-out affidavits renew automatically every two years unless cancelled

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.

PRESIDENT & FELLOWS OF HARVARD COLLEGE
Psychiatry & Neurology (Psychiatry)
75 MOUNT AUBURN ST, HARVARD UNIVERSITY HEALTH SERVICES
CAMBRIDGE, MA 02138
Middlesex County (617) 495-2323
KENNETH J. GOLD MD
Internal Medicine
75 MOUNT AUBURN ST, HUHS
CAMBRIDGE, MA 02138
Middlesex County (617) 495-8414
PRESIDENT & FELLOWS OF HARVARD COLLEGE
Pharmacy (Clinic Pharmacy)
75 MOUNT AUBURN ST
CAMBRIDGE, MA 02138
Middlesex County (617) 496-6661
JILL MICHELLE SABATINE MSW
Social Worker
75 MOUNT AUBURN ST
CAMBRIDGE, MA 02138
Middlesex County (617) 495-7872
ELLEN HALEY LICSW
Social Worker (Clinical)
75 MOUNT AUBURN ST, HARVARD UNIVERSITY HEALTH SERVICE
CAMBRIDGE, MA 02138
Middlesex County (617) 496-8700
MAUREEN M. LYNCH MD
Pediatrics
75 MOUNT AUBURN ST
CAMBRIDGE, MA 02138
Middlesex County (617) 496-9506
WINTHROP A. BURR MD
Psychiatry & Neurology (Psychiatry)
75 MOUNT AUBURN ST
CAMBRIDGE, MA 02138
Middlesex County (617) 496-9506
DR. ZAINAB SUSAN JABUR MD, MPH
Psychiatry & Neurology (Psychiatry)
75 MOUNT AUBURN ST
CAMBRIDGE, MA 02138
Middlesex County (617) 495-2323

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 Katherine Stiles's NPI number?

The NPI number for Katherine Stiles is 1790877074. It was assigned to this individual provider in the NPPES registry on September 28, 2006.

Where is Katherine Stiles located?

Katherine Stiles practices at 75 Mount Auburn St Harvard University Health Service, Cambridge, MA 02138. The listed phone number is (617) 496-8700.

What is Katherine Stiles's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

Is Katherine Stiles enrolled in Medicare?

No. Katherine Stiles has opted out of Medicare through January 17, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out.

When was this NPI record last updated?

The NPPES record for Katherine Stiles was last updated on November 6, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.