MARISSA LYNN ZINGG APRN
NPI 1932802097
Nurse Practitioner - Family in Brookline, MA
About Marissa Lynn Zingg Aprn NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARISSA LYNN ZINGG APRN (NPI 1932802097) is an individual family provider in Brookline, Massachusetts, licensed in Massachusetts (RN2300751) and active in the NPI registry since March 2023. She is enrolled in Medicare PECOS, maintains 3 additional practice locations, and is a graduate of Other (2022).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Secondary Practice Locations 3
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
Marissa Lynn Zingg 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 Marissa Zingg reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Brookline, MA 02446
- Reassigned Medicare billing, Massachusetts enrollment
- 4 clinicians in this Medicare group
Worcester, MA 01606
- Reassigned Medicare billing, Massachusetts enrollment
- 718 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 4
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02446 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 7
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BROOKLINE, MA 02446
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 Marissa Zingg's NPI number?
The NPI number for Marissa Zingg is 1932802097. It was assigned to this individual provider in the NPPES registry on March 27, 2023. The provider is also known as Marissa Lynn Ashcraft.
Where is Marissa Zingg located?
Marissa Zingg practices at 1101 Beacon Street Suite 1E, Brookline, MA 02446. The listed phone number is (617) 731-2390.
What is Marissa Zingg's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Marissa Zingg enrolled in Medicare?
Yes. Marissa Zingg 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 Marissa Zingg's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Marissa Zingg reassigns Medicare benefits to 2 organizations: Integrated Dermatology Of Brookline, LLC (Brookline, MA) and Reliant Medical Group, Inc (Worcester, 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 Marissa Zingg's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Marissa Zingg was last updated on July 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Marissa Lynn Zingg, APRN · NPI 1932802097
Family physician in Brookline, Massachusetts. Individual provider, active in the CMS NPPES registry since March 27, 2023.
## Identity
- **NPI:** 1932802097 (Entity type: Individual)
- **Enumerated:** March 27, 2023
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** RN2300751 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 1101 BEACON STREET, SUITE 1E, Brookline, MA 02446-5587
- **Phone:** (617) 731-2390 · **Fax:** (617) 731-1283
## 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): Integrated Dermatology Of Brookline, LLC (NPI 1104389154, Brookline, MA); Reliant Medical Group, Inc (NPI 1720017528, Worcester, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2022
## Record status
- **NPPES last updated:** July 8, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1932802097) · Data from the CMS NPPES public registry.