MARYBETH ZAMBELLA APRN
NPI 1528397908
Nurse Practitioner - Psychiatric/Mental Health in Boston, MA
About Marybeth Zambella Aprn NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARYBETH ZAMBELLA APRN (NPI 1528397908) is an individual psychiatric/mental health provider in Boston, Massachusetts, licensed in Massachusetts (RN155312) and active in the NPI registry since December 2009. She is enrolled in Medicare PECOS, is affiliated with Tufts Medical Center, and is a graduate of Other (2010).
NPPES Registry Identity
Specialties & Licenses
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
Marybeth Zambella Aprn 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
2Medicare enrollment records show Marybeth Zambella reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Boston, MA 02111
- Reassigned Medicare billing, Massachusetts enrollment
- 334 clinicians in this Medicare group
Boston, MA 02111
- Reassigned Medicare billing, Massachusetts enrollment
- 74 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.
Areas of Expertise CMS Part B claims 3
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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Tufts Medical Center
Acute Care Hospitals · Boston, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02111 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 02111
BOSTON, MA 02111
BOSTON, MA 02111
BOSTON, MA 02111
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 Marybeth Zambella's NPI number?
The NPI number for Marybeth Zambella is 1528397908. It was assigned to this individual provider in the NPPES registry on December 15, 2009.
Where is Marybeth Zambella located?
Marybeth Zambella practices at 800 Washington St, Boston, MA 02111. The listed phone number is (617) 636-5400.
What is Marybeth Zambella's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.
Is Marybeth Zambella enrolled in Medicare?
Yes. Marybeth Zambella 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 Marybeth Zambella's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Marybeth Zambella reassigns Medicare benefits to 2 organizations: Pratt Medical Group, Inc (Boston, MA) and Tufts Medical Center, Inc. (Boston, MA). 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 Marybeth Zambella's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Marybeth Zambella accept?
Health plans from Harvard Pilgrim Health Care list Marybeth Zambella 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 Marybeth Zambella affiliated with any hospitals?
According to CMS data, Marybeth Zambella is affiliated with Tufts Medical Center.
When was this NPI record last updated?
The NPPES record for Marybeth Zambella was last updated on August 4, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Marybeth Zambella, APRN · NPI 1528397908
Psychiatric/Mental Health physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since December 15, 2009.
## Identity
- **NPI:** 1528397908 (Entity type: Individual)
- **Enumerated:** December 15, 2009
- **Primary specialty:** Nurse Practitioner - Psychiatric/Mental Health · taxonomy 363LP0808X
- **State license:** RN155312 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 800 WASHINGTON ST, Boston, MA 02111-1552
- **Phone:** (617) 636-5400 · **Fax:** (617) 636-8642
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Pratt Medical Group, Inc (NPI 1013237809, Boston, MA); Tufts Medical Center, Inc. (NPI 1730132515, Boston, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2010
## Record status
- **NPPES last updated:** August 4, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1528397908) · Data from the CMS NPPES public registry.