HANNAH-MARIAH WHITTLE GALLANT NP
NPI 1083802391
Nurse Practitioner - Psychiatric/Mental Health in Boston, MA

Active since October 11, 2007PECOS EnrolledAccepts Medicare Assignment
1 BOSTON MEDICAL CTR PL, BOSTON, BOSTON, MA 02118(617) 414-5245(617) 638-6836 Get Directions Write a Review

NPPES record last updated: February 5, 2026. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Feb 5, 2026, Nov 16, 2017 (2 updates tracked since 2017).

About Hannah-mariah Whittle Gallant Np NPPES

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

HANNAH-MARIAH WHITTLE GALLANT NP (NPI 1083802391) is an individual psychiatric/mental health provider in Boston, Massachusetts, licensed in Massachusetts (RN267611) and active in the NPI registry since October 2007. She is enrolled in Medicare PECOS, is affiliated with St Mary's Regional Medical Center, and maintains a secondary practice location in Kennebunkport.

NPPES Registry Identity

NPI1083802391
Entity TypeIndividualFemale
Primary Taxonomy363LP0808X
Provider Legal NameHANNAH-MARIAH WHITTLE GALLANTCredential: NP
Location Address1 BOSTON MEDICAL CTR PL, BOSTONBoston, MA 02118-2371
Mailing Address3 Browns LnKennebunkport, ME 04046-6770 · (617) 913-2765 · Fax (716) 320-9803
Fax(617) 638-6836
Sole ProprietorNo
Medical School CMSOtherGraduated 2008
Enumeration DateOctober 11, 2007
Last NPPES UpdateFebruary 5, 20262 updates tracked since enumeration
NPPES CertifiedFebruary 5, 2026
NPI 1083802391 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
License Licensed in MA · RN267611
1 BOSTON MEDICAL CTR PL, Boston, MA 02118

Secondary Practice Location 1

Location 13 Browns LnKennebunkport, ME 04046-6770 · Phone (617) 913-2765 · Fax (716) 320-9803

Other Identifiers 1

Medicaid110086911AMA

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

Hannah-mariah Whittle Gallant Np 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 ID5991845604
PECOS Enrollment IDI20110512000364
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.

Psychiatric diagnostic evaluation with medical services 90792
A psychiatric diagnostic evaluation with medical services is a comprehensive assessment. It includes a detailed examination of your mental health and physical wellbeing, as well as your personal and family history. This evaluation aids in creating an effective treatment plan.
17 services16 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

St Mary's Regional Medical Center

Acute Care Hospitals · Lewiston, ME
3/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number200034
Location93 Campus Avenue - PO Box 291Lewiston, ME 04243 · Androscoggin County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02118 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.

Emergency Medicine
1 BOSTON MEDICAL CTR PL, DOWLING 1 SOUTH
BOSTON, MA 02118
Nurse Practitioner
1 BOSTON MEDICAL CTR PL, DOWLING 1 SOUTH
BOSTON, MA 02118
Emergency Medicine
1 BOSTON MEDICAL CTR PL, DOWLING 1 SOUTH
BOSTON, MA 02118
Nurse Practitioner
1 BOSTON MEDICAL CTR PL, DOWLING 1 SOUTH
BOSTON, MA 02118
Nurse Practitioner
1 BOSTON MEDICAL CTR PL, DOWLING 1 SOUTH
BOSTON, MA 02118
Emergency Medicine
1 BOSTON MEDICAL CTR PL, DOWLING 1 SOUTH
BOSTON, MA 02118
Emergency Medicine
1 BOSTON MEDICAL CTR PL, DOWLING 1 SOUTH
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 Hannah-mariah Gallant's NPI number?

The NPI number for Hannah-mariah Gallant is 1083802391. It was assigned to this individual provider in the NPPES registry on October 11, 2007.

Where is Hannah-mariah Gallant located?

Hannah-mariah Gallant practices at 1 Boston Medical Ctr Pl Boston, Boston, MA 02118. The listed phone number is (617) 414-5245.

What is Hannah-mariah Gallant's specialty?

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

Is Hannah-mariah Gallant enrolled in Medicare?

Yes. Hannah-mariah Gallant 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 Hannah-mariah Gallant accept?

Health plans from Ambetter from NH Healthy Families and Harvard Pilgrim Health Care list Hannah-mariah Gallant 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.

Is Hannah-mariah Gallant affiliated with any hospitals?

According to CMS data, Hannah-mariah Gallant is affiliated with St Mary's Regional Medical Center.

When was this NPI record last updated?

The NPPES record for Hannah-mariah Gallant was last updated on February 5, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.