HANNAH-MARIAH WHITTLE GALLANT (NP) – Psychiatric/Mental Health Nurse Practitioner, NPI 1083802391
Psychiatric/Mental Health Nurse Practitioner
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,869 NURSE PRACTITIONER in ME
Provider Addresses for HANNAH-MARIAH WHITTLE GALLANT (NP)
Doctors Office Building, 720, Harrison Avenue, South End, Boston, Suffolk County, Massachusetts, 02118, United States
DOB 503
BOSTON, MA 021182371
Phone:
Type: Mailing
3 Browns Ln
Kennebunkport, ME 040466770
Phone: (617) 913-2765
Fax: (716) 320-9803
Type: Location
Boston Medical Center, 1, Massachusetts Avenue, South End, Boston, Suffolk County, Massachusetts, 02118, United States
BOSTON
BOSTON, MA 021182371
Phone: (617) 414-5245
Fax: (617) 638-6836
Type: Location
3 BROWNS LN
KENNEBUNKPORT, ME 040466770
Phone: (617) 913-2765
Fax: (716) 320-9803
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2011-05-12
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20091210000319 | I | Nurse Practitioner | MA | TBD |
| I20110512000364 | I | Nurse Practitioner | ME | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 02118)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| NURSE PRACTITIONER | MA | 90792 | Psychiatric diagnostic evaluation with medical services | 21 | 18 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| - | ME | |
| P S Y C H I A T R Y | ME | |
| Cardiovascular Disease (Cardiology) | ME | |
| - | ME | |
| - | ME | |
| - | ME | |
| Nurse Practitioner | ME | |
| Interventional Cardiology | NH | |
| - | ME | |
| - | ME |
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