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ISABELLE RAE GIRARD RN, PMHNP
NPI 1235794660
Nurse Practitioner - Psychiatric/Mental Health in Boston, MA

Active since May 01, 2019PECOS Enrolled
100 CAMBRIDGE ST, BOSTON, MA 02114(774) 331-8165 Get Directions Write a Review

NPPES record last updated: January 27, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jan 27, 2026, Mar 20, 2023, May 1, 2019 (3 updates tracked since 2019).

About Isabelle Rae Girard Rn, Pmhnp NPPES

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

ISABELLE RAE GIRARD RN, PMHNP (NPI 1235794660) is an individual psychiatric/mental health provider in Boston, Massachusetts, licensed in Massachusetts (RN2358618) and active in the NPI registry since May 2019. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1235794660
Entity TypeIndividualFemale
Primary Taxonomy363LP0808X
Provider Legal NameISABELLE RAE GIRARDCredential: RN, PMHNP
Location Address100 CAMBRIDGE STBoston, MA 02114-2509
Mailing Address55 Lewis St Apt 105Boston, MA 02128-2663 · (917) 733-0633
Phone(774) 331-8165
Sole ProprietorNo
Enumeration DateMay 1, 2019
Last NPPES UpdateJanuary 27, 20263 updates tracked since enumeration
NPPES CertifiedJanuary 27, 2026
✔ NPI 1235794660 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
License✔ Licensed in MA · RN2358618
Also ListedBehavior TechnicianTaxonomy 106S00000X
100 CAMBRIDGE ST, Boston, MA 02114
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Harvard Pilgrim Health Care.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)

Isabelle Rae Girard Rn, Pmhnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 02114 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
$97.64 typical visit price
range $63.72 – $189.86
Typical copayment $24.41 (range $15.93 – $47.46)
Most-billed visit code 99203
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 20

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

MRS. OLUWATOYIN OLADOSU NP
Nurse Practitioner (Family)
100 CAMBRIDGE ST
BOSTON, MA 02114
Suffolk County (888) 731-8994
JUSTINE DURAND
Counselor (Mental Health)
100 CAMBRIDGE ST
BOSTON, MA 02114
Suffolk County (857) 299-1123
MILITZA CAJIGAS
Psychologist (Counseling)
100 CAMBRIDGE ST
BOSTON, MA 02114
Suffolk County (617) 899-2717
KATHERINE SUSAN KILLINGER FNP-C
Nurse Practitioner
100 CAMBRIDGE ST
BOSTON, MA 02114
Suffolk County (617) 726-7714
MARIAH ROBB
Counselor (Mental Health)
100 CAMBRIDGE ST
BOSTON, MA 02114
Suffolk County (857) 299-1123
SARAH C. TUFFO MS, FNP-C
Nurse Practitioner (Family)
100 CAMBRIDGE ST
BOSTON, MA 02114
Suffolk County (888) 731-8994
MS. LAUREN MORRISON CRNP ACNP
Nurse Practitioner (Acute Care)
100 CAMBRIDGE ST, 14TH FLOOR, SUITE 1400
BOSTON, MA 02114
Suffolk County (888) 731-8994
CHRISTIE MARIE SHEPHERD FNP
Nurse Practitioner (Family)
100 CAMBRIDGE ST
BOSTON, MA 02114
Suffolk County (888) 731-8994

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 Isabelle Girard's NPI number?

The NPI number for Isabelle Girard is 1235794660. It was assigned to this individual provider in the NPPES registry on May 1, 2019.

Where is Isabelle Girard located?

Isabelle Girard practices at 100 Cambridge St, Boston, MA 02114. The listed phone number is (774) 331-8165.

What is Isabelle Girard's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

Is Isabelle Girard enrolled in Medicare?

Yes. Isabelle Girard is registered in the Medicare PECOS enrollment system.

What insurance does Isabelle Girard accept?

Health plans from Harvard Pilgrim Health Care list Isabelle Girard 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 Isabelle Girard was last updated on January 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months 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.