Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

DR. REBECCA KNAPP M.D.
NPI 1609854983
Psychiatry & Neurology - Psychiatry in Worcester, MA

Active since January 06, 2006
55 LAKE AVE N, DEPARTMENT OF PSYCHIATRY, WORCESTER, MA 01655(508) 856-2537 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: July 19, 2026.

About Dr. Rebecca Knapp M.d. NPPES

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

DR. REBECCA KNAPP M.D. (NPI 1609854983) is an individual psychiatry provider in Worcester, Massachusetts, licensed in Massachusetts (73340) and active in the NPI registry since January 2006.

NPPES Registry Identity

NPI1609854983
Entity TypeIndividualFemale
Primary Taxonomy2084P0800X
Provider Legal NameDR. REBECCA KNAPPCredential: M.D.
Location Address55 LAKE AVE N, DEPARTMENT OF PSYCHIATRYWorcester, MA 01655-0002
Mailing AddressPo Box 62, Turnpike StationShrewsbury, MA 01545-0062 · (508) 334-8815 · Fax (508) 334-5374
Sole ProprietorNo
Enumeration DateJanuary 6, 2006
Last NPPES UpdateJuly 13, 2026
NPI 1609854983 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License Licensed in MA · 73340
Definition

A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

55 LAKE AVE N, Worcester, MA 01655

Other Identifiers 1

Medicaid3170306MA

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Dr. Rebecca Knapp M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Nurse Anesthetist, Certified Registered
55 LAKE AVE N, DEPARTMENT OF ANESTHESIOLOGY
WORCESTER, MA 01655
Internal Medicine (Cardiovascular Disease)
55 LAKE AVE N, CARDIOLOGY
WORCESTER, MA 01655
Psychiatry & Neurology (Psychiatry)
55 LAKE AVE N
WORCESTER, MA 01655
Genetic Counselor, MS
55 LAKE AVE N, S1-710
WORCESTER, MA 01655
Emergency Medicine
55 LAKE AVE N
WORCESTER, MA 01655
Internal Medicine (Rheumatology)
55 LAKE AVE N
WORCESTER, MA 01655
Internal Medicine
55 LAKE AVE N, DEPARTMENT OF GENERAL MEDICINE
WORCESTER, MA 01655
Pathology (Anatomic Pathology)
55 LAKE AVE N, DEPARTMENT OF PATHOLOGY
WORCESTER, MA 01655

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1609854983, enumerated as an "individual" on January 06, 2006.

The provider is located at 55 LAKE AVE N DEPARTMENT OF PSYCHIATRY WORCESTER, MA 01655 and the phone number is (508) 856-2537.

Psychiatry & Neurology with taxonomy code 2084P0800X and a focus in Psychiatry.

The provider might be accepting Accepts: Harvard Pilgrim Health Care, Medicare and Medicaid. Please consult your insurance carrier or call the provider to verify.