Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

XIAOLU HSI PH.D
NPI 1316982002
Psychologist - Clinical in Cambridge, MA

Q: What is Xiaolu Hsi's NPI number?

The NPI number for Xiaolu Hsi is 1316982002. It was assigned to this individual provider in the NPPES registry on June 18, 2006. The provider is also known as Xiaolu Sun Ph.D.

Q: What is Xiaolu Hsi's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

Q: When was this NPI record last updated?

The NPPES record for Xiaolu Hsi was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 28 days 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.

Active since June 18, 2006

77 MASS AVE, E23-395, CAMBRIDGE, MA 02139(617) 253-2916 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Xiaolu Hsi Ph.d NPPES

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

XIAOLU HSI PH.D (NPI 1316982002) is an individual clinical provider in Cambridge, Massachusetts, licensed in Massachusetts (7195) and active in the NPI registry since June 2006.

NPPES Registry Identity

NPI1316982002

Entity TypeIndividualFemale

Primary Taxonomy103TC0700X

Provider Legal NameXIAOLU HSICredential: PH.D

Location Address77 MASS AVE, E23-395Cambridge, MA 02139-4301

Mailing AddressPo Box 425789, E23-395Cambridge, MA 02142-0015 · (617) 253-2916

Phone(617) 253-2916

Sole ProprietorNo

Enumeration DateJune 18, 2006

Last NPPES UpdateJuly 13, 2026

✔ NPI 1316982002 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers

Taxonomy Code103TC0700X

License✔ Licensed in MA · 7195

Definition

A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.

77 MASS AVE, Cambridge, MA 02139

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Other Names 1

Former Name (1)Xiaolu Sun Ph.d

Other Identifiers 1

OtherW05626MA · Blue Cross

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.

DR. SHERRY BAUMAN MD

Psychiatry & Neurology (Psychiatry)

77 MASS AVE, MEDICAL E23-395
CAMBRIDGE, MA 02139

Middlesex County (617) 253-2916

ANTHONY M PASQUALONE MSN, NP-C

Nurse Practitioner (Adult Health)

77 MASS AVE, MEDICAL E23-395
CAMBRIDGE, MA 02139

Middlesex County (617) 253-0556

DR. MARYELLEN RHINEHART MD

Internal Medicine

77 MASS AVE, E23 193 MIT MEDICAL DEPARTMENT
CAMBRIDGE, MA 02139

Middlesex County (617) 253-7802

ANNA JASONIDES RD

Dietitian, Registered

77 MASS AVE, MEDICAL E23-395
CAMBRIDGE, MA 02139

Middlesex County (617) 253-0556

LILI A GOTTFRIED MD

Psychiatry & Neurology (Psychiatry)

77 MASS AVE, MEDICAL E23-395
CAMBRIDGE, MA 02139

Middlesex County (617) 253-2916

KAREN D SPITLER APRN, BC

Nurse Practitioner (Adult Health)

77 MASS AVE, MEDICAL E23-395
CAMBRIDGE, MA 02139

Middlesex County (617) 253-1311

JACQUELINE M SHERRY RN CS

Nurse Practitioner (Adult Health)

77 MASS AVE, E23-395 MEDICAL
CAMBRIDGE, MA 02139

Middlesex County (617) 253-0556

MARCIA A YOUSIK RN CS

Clinical Nurse Specialist (Psychiatric/Mental Health)

77 MASS AVE, MEDICAL E23-395
CAMBRIDGE, MA 02139

Middlesex County (617) 253-0216

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 Xiaolu Hsi's NPI number?

The NPI number for Xiaolu Hsi is 1316982002. It was assigned to this individual provider in the NPPES registry on June 18, 2006. The provider is also known as Xiaolu Sun Ph.D.

Where is Xiaolu Hsi located?

Xiaolu Hsi practices at 77 Mass Ave E23-395, Cambridge, MA 02139. The listed phone number is (617) 253-2916.

What is Xiaolu Hsi's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

When was this NPI record last updated?

The NPPES record for Xiaolu Hsi was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 28 days 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.