MARIEL WHITE
NPI 1972020006
Nurse Practitioner - Psychiatric/Mental Health in Boston, MA
About Mariel White NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARIEL WHITE (NPI 1972020006) is an individual psychiatric/mental health provider in Boston, Massachusetts, licensed in Massachusetts (RN2306670) and active in the NPI registry since August 2017. She is enrolled in Medicare PECOS, is affiliated with South Shore Hospital, and maintains a secondary practice location in Boston.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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
Mariel White 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.
Medicare Billing Reassignments
6Medicare enrollment records show Mariel White reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Boston, MA 02114
- Reassigned Medicare billing, Massachusetts enrollment
- 6,234 clinicians in this Medicare group
Boston, MA 02114
- Reassigned Medicare billing, Massachusetts enrollment
- 6,360 clinicians in this Medicare group
Weymouth, MA 02190
- Reassigned Medicare billing, Massachusetts enrollment
- 671 clinicians in this Medicare group
Lynchburg, VA 24504
- Reassigned Medicare billing, Georgia enrollment
- 159 clinicians in this Medicare group
Savannah, GA 31406
- Reassigned Medicare billing, Georgia enrollment
- 21 clinicians in this Medicare group
Valdosta, GA 31602
- Reassigned Medicare billing, Georgia enrollment
- 98 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
South Shore Hospital
Acute Care Hospitals · South Weymouth, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02115 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
BOSTON, MA 02115
BOSTON, MA 02115
BOSTON, MA 02115
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 Mariel White's NPI number?
The NPI number for Mariel White is 1972020006. It was assigned to this individual provider in the NPPES registry on August 29, 2017.
Where is Mariel White located?
Mariel White practices at 300 Longwood Ave, Boston, MA 02115. The listed phone number is (617) 355-6000.
What is Mariel White's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.
Is Mariel White enrolled in Medicare?
Yes. Mariel White 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 Mariel White's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mariel White reassigns Medicare benefits to 6 organizations: The General Hospital Corporation (Boston, MA), Massachusetts General Physicians Organization Inc (Boston, MA), Coastal Medical Associates (Weymouth, MA), Thrive Counseling LLC (Lynchburg, VA), Uhs Of Savannah, LLC (Savannah, GA) and 1 more organization, listed in the Medicare section above. 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 Mariel White's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mariel White accept?
Health plans from Anthem Blue Cross and Blue Shield, Harvard Pilgrim Health Care, Taro Health and WellSense Health Plan list Mariel White 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 Mariel White affiliated with any hospitals?
According to CMS data, Mariel White is affiliated with South Shore Hospital.
When was this NPI record last updated?
The NPPES record for Mariel White was last updated on February 16, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Mariel White · NPI 1972020006
Psychiatric/Mental Health physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since August 29, 2017.
## Identity
- **NPI:** 1972020006 (Entity type: Individual)
- **Enumerated:** August 29, 2017
- **Primary specialty:** Nurse Practitioner - Psychiatric/Mental Health · taxonomy 363LP0808X
- **State license:** RN2306670 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 300 LONGWOOD AVE, Boston, MA 02115-5724
- **Phone:** (617) 355-6000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 6 organizations under Medicare reassignment (form CMS-855R): The General Hospital Corporation (NPI 1023049236, Boston, MA); Massachusetts General Physicians Organization Inc (NPI 1801874573, Boston, MA); Coastal Medical Associates (NPI 1932175684, Weymouth, MA); Thrive Counseling LLC (NPI 1215181300, Lynchburg, VA); Uhs Of Savannah, LLC (NPI 1003154535, Savannah, GA); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2017
## Record status
- **NPPES last updated:** February 16, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1972020006) · Data from the CMS NPPES public registry.