MS. ELIZABETH FARRAH LOUIS M.A.
NPI 1467936211
Psychologist in Boston, MA

Active since September 18, 2018PECOS EnrolledAccepts Medicare Assignment
1 BOSTON MEDICAL CTR PL, BOSTON, MA 02118(617) 638-8013 Get Directions Write a Review

NPPES record last updated: November 17, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Nov 17, 2023, Sep 18, 2018 (2 updates tracked since 2018).

About Ms. Elizabeth Farrah Louis M.a. NPPES

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

MS. ELIZABETH FARRAH LOUIS M.A. (NPI 1467936211) is an individual psychologist in Boston, Massachusetts, licensed in Massachusetts (PSY11841) and active in the NPI registry since September 2018. She is enrolled in Medicare PECOS, maintains a secondary practice location in Boston, and is a graduate of Other (2010).

NPPES Registry Identity

NPI1467936211
Entity TypeIndividualFemale
Primary Taxonomy103T00000X
Provider Legal NameMS. ELIZABETH FARRAH LOUISCredential: M.A.
Location Address1 BOSTON MEDICAL CTR PLBoston, MA 02118-2908
Mailing Address85 E Newton St Ste 8028fBoston, MA 02118-2841 · (617) 638-8013 · Fax (617) 414-1975
Sole ProprietorNo
Medical School CMSOtherGraduated 2010
Enumeration DateSeptember 18, 2018
Last NPPES UpdateNovember 17, 20232 updates tracked since enumeration
NPPES CertifiedNovember 17, 2023
✔ NPI 1467936211 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 · PSY11841
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 ListedCounselor · Mental HealthTaxonomy 101YM0800X
1 BOSTON MEDICAL CTR PL, Boston, MA 02118

Secondary Practice Location 1

Location 155 Fruit StBoston, MA 02114-2621 · Phone (617) 724-8135

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Ms. Elizabeth Farrah Louis M.a. 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 ID1355799552
PECOS Enrollment IDI20231129000729
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

2

Medicare enrollment records show Elizabeth Louis reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

General Acute Care Hospital
55 FRUIT ST, BULFINCH 360
Boston, MA 02114
  • Reassigned Medicare billing, Massachusetts enrollment
  • 6,234 clinicians in this Medicare group
Dermatology
55 FRUIT ST, BUL 2
Boston, MA 02114
  • Reassigned Medicare billing, Massachusetts enrollment
  • 6,360 clinicians in this Medicare group

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.

Nurse Anesthetist, Certified Registered
1 BOSTON MEDICAL CTR PL
BOSTON, MA 02118
Physician Assistant
1 BOSTON MEDICAL CTR PL
BOSTON, MA 02118
Psychologist (Clinical)
1 BOSTON MEDICAL CTR PL
BOSTON, MA 02118
Nurse Practitioner (Psychiatric/Mental Health)
1 BOSTON MEDICAL CTR PL
BOSTON, MA 02118
Student in an Organized Health Care Education/Training Program
1 BOSTON MEDICAL CTR PL
BOSTON, MA 02118
Emergency Medicine
1 BOSTON MEDICAL CTR PL, DOWLING 1 SOUTH
BOSTON, MA 02118
Pharmacist (Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist)
1 BOSTON MEDICAL CTR PL
BOSTON, MA 02118
Nurse Practitioner
1 BOSTON MEDICAL CTR PL, DOWLING 1 SOUTH
BOSTON, MA 02118

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 Elizabeth Louis's NPI number?

The NPI number for Elizabeth Louis is 1467936211. It was assigned to this individual provider in the NPPES registry on September 18, 2018.

Where is Elizabeth Louis located?

Elizabeth Louis practices at 1 Boston Medical Ctr Pl, Boston, MA 02118. The listed phone number is (617) 638-8013.

What is Elizabeth Louis's specialty?

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

Is Elizabeth Louis enrolled in Medicare?

Yes. Elizabeth Louis 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.

Which organizations bill Medicare for Elizabeth Louis's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Elizabeth Louis reassigns Medicare benefits to 2 organizations: The General Hospital Corporation (Boston, MA) and Massachusetts General Physicians Organization Inc (Boston, 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 Elizabeth Louis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Elizabeth Louis accept?

Health plans from Anthem Blue Cross and Blue Shield, Harvard Pilgrim Health Care, Taro Health and WellSense Health Plan list Elizabeth Louis 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 Elizabeth Louis was last updated on November 17, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.