MRS. SUSAN LACEY WILLIAMS RN, LICSW
NPI 1992741953
Psychologist in Greenfield, MA

Active since June 20, 2006PECOS EnrolledAccepts Medicare Assignment
466 MAIN STREET, SUITE 3, GREENFIELD, MA 01301(413) 774-5012(413) 339-0148 Get Directions Write a Review

NPPES record last updated: October 19, 2009. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Mrs. Susan Lacey Williams Rn, Licsw NPPES

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

MRS. SUSAN LACEY WILLIAMS RN, LICSW (NPI 1992741953) is an individual psychologist in Greenfield, Massachusetts, licensed in Massachusetts (LICSW1023496) and active in the NPI registry since June 2006. She is enrolled in Medicare PECOS and is a graduate of Other (1990).

NPPES Registry Identity

NPI1992741953
Entity TypeIndividualFemale
Primary Taxonomy103T00000X
Provider Legal NameMRS. SUSAN LACEY WILLIAMSCredential: RN, LICSW
Location Address466 MAIN STREET, SUITE 3Greenfield, MA 01301
Mailing AddressPo Box 1002Charlemont, MA 01339-1002 · (413) 774-5012 · Fax (413) 339-0148
Fax(413) 339-0148
Sole ProprietorYes
Medical School CMSOtherGraduated 1990
Enumeration DateJune 20, 2006
Last NPPES UpdateOctober 19, 2009
NPI 1992741953 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyPsychologistBehavioral Health & Social Service Providers
Taxonomy Code103T00000X
License Licensed in MA · LICSW1023496
Definition
A psychologist is an individual who is licensed to practice psychology which is defined as the observation, description, evaluation, interpretation, and modification of human behavior by the application of psychological principles, methods, and procedures, for the purpose of preventing or eliminating symptomatic, maladaptive, or undesired behavior and of enhancing interpersonal relationships, work and life adjustment, personal effectiveness, behavioral health, and mental health. The practice of psychology includes, but is not limited to, psychological testing and the evaluation or assessment of personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning; counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy; diagnosis and treatment of mental and emotional disorder or disability, alcoholism and substance abuse, disorders of habit or conduct, as well as of the psychological aspects of physical illness, accident, injury, or disability; and psycheducational evaluation, therapy, remediation, and consultation. Psychological services may be rendered to individuals, families, groups and the public.
Also ListedRegistered NurseTaxonomy 163W00000X · License 144039 (MA)
466 MAIN STREET, Greenfield, MA 01301

Other Identifiers 3

Other32153MA · Bmc Healthnet
OtherP08203MA · Bcbs Ma
Medicare ID-Type UnspecifiedP20965MA

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 and accepts Medicare assignment

Mrs. Susan Lacey Williams Rn, Licsw is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1052201928
PECOS Enrollment IDI20040316001120
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.

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Psychotherapy, 1 hour 90837
Psychotherapy is a therapeutic interaction or treatment between a trained professional and a patient. In a 1-hour session, you'll talk about your feelings, thoughts, and behaviors to help identify and manage mental health issues. This process aids in personal growth, healing, and improved well-being.
267 services17 patients

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 Susan Williams's NPI number?

The NPI number for Susan Williams is 1992741953. It was assigned to this individual provider in the NPPES registry on June 20, 2006.

Where is Susan Williams located?

Susan Williams practices at 466 Main Street Suite 3, Greenfield, MA 01301. The listed phone number is (413) 774-5012.

What is Susan Williams's specialty?

The primary specialty registered for this NPI is Psychologist with taxonomy code 103T00000X.

Is Susan Williams enrolled in Medicare?

Yes. Susan Williams is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Susan Williams accept?

Health plans from Anthem Blue Cross and Blue Shield list Susan Williams as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Susan Williams was last updated on October 19, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.