DR. ELIZABETH MAINZER GAGNON PHD
NPI 1558414060
Psychologist - Clinical in Boston, MA

Active since January 19, 2007PECOS EnrolledAccepts Medicare Assignment
77 FRANKLIN ST, SUITE 809, BOSTON, MA 02110(617) 451-0055(617) 451-0055 Get Directions Write a Review

NPPES record last updated: September 22, 2016. Verified against the NPPES registry weekly; last sync: October 04, 2026.

About Dr. Elizabeth Mainzer Gagnon Phd NPPES

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

DR. ELIZABETH MAINZER GAGNON PHD (NPI 1558414060) is an individual clinical provider in Boston, Massachusetts, licensed in Massachusetts (8186) and active in the NPI registry since January 2007. She is enrolled in Medicare PECOS and is a graduate of Other (2002).

NPPES Registry Identity

NPI1558414060
Entity TypeIndividualFemale
Primary Taxonomy103TC0700X
Provider Legal NameDR. ELIZABETH MAINZER GAGNONCredential: PHD
Location Address77 FRANKLIN ST, SUITE 809Boston, MA 02110-1510
Mailing Address77 Franklin St, Suite 809Boston, MA 02110-1510 · (617) 451-0055 · Fax (617) 451-0055
Fax(617) 451-0055
Sole ProprietorYes
Medical School CMSOtherGraduated 2002
Enumeration DateJanuary 19, 2007
Last NPPES UpdateSeptember 22, 2016
✔ NPI 1558414060 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 · 8186
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 FRANKLIN ST, Boston, MA 02110

Other Identifiers 1

OtherW06313MA · Blue Cross Blue Shield

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

Dr. Elizabeth Mainzer Gagnon Phd 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 ID5799761508
PECOS Enrollment IDI20040624000603
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02110 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$189.86 typical visit price
range $63.72 – $189.86
Typical copayment $47.46 (range $15.93 – $47.46)
Most-billed visit code 99205
Established Patient
$111.18 typical visit price
range $21.07 – $155.29
Typical copayment $27.79 (range $5.26 – $38.82)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Psychologist (Clinical)
77 FRANKLIN ST, #801
BOSTON, MA 02110
Dentist (General Practice)
77 FRANKLIN ST, SUITE #808
BOSTON, MA 02110

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 Gagnon's NPI number?

The NPI number for Elizabeth Gagnon is 1558414060. It was assigned to this individual provider in the NPPES registry on January 19, 2007.

Where is Elizabeth Gagnon located?

Elizabeth Gagnon practices at 77 Franklin St Suite 809, Boston, MA 02110. The listed phone number is (617) 451-0055.

What is Elizabeth Gagnon's specialty?

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

Is Elizabeth Gagnon enrolled in Medicare?

Yes. Elizabeth Gagnon 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.

When was this NPI record last updated?

The NPPES record for Elizabeth Gagnon was last updated on September 22, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.