MARISSA BAKER MSW
NPI 1093354540
Social Worker - Clinical in New London, NH
About Marissa Baker Msw NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARISSA BAKER MSW (NPI 1093354540) is an individual clinical provider in New London, New Hampshire, licensed in New Hampshire (2344) and active in the NPI registry since January 2020. She is enrolled in Medicare PECOS and maintains a secondary practice location in New London.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
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 (PECOS)
Marissa Baker Msw is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Marissa Baker reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
New London, NH 03257
- Reassigned Medicare billing, New Hampshire enrollment
- 63 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 03257 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.
NEW LONDON, NH 03257
NEW LONDON, NH 03257
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 Baker's NPI number?
The NPI number for Marissa Baker is 1093354540. It was assigned to this individual provider in the NPPES registry on January 2, 2020. The provider is also known as Marissa Paniccia Msw.
Where is Marissa Baker located?
Marissa Baker practices at 35 Newport Rd, New London, NH 03257. The listed phone number is (603) 865-1321.
What is Marissa Baker's specialty?
The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.
Is Marissa Baker enrolled in Medicare?
Yes. Marissa Baker is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Marissa Baker's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Marissa Baker reassigns Medicare benefits to Counseling Associates Of New London PLLC (New London, NH). The 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 Baker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Marissa Baker accept?
Health plans from Anthem Blue Cross and Blue Shield and Harvard Pilgrim Health Care list Marissa Baker 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.
When was this NPI record last updated?
The NPPES record for Marissa Baker was last updated on February 2, 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.
# Marissa Baker, MSW · NPI 1093354540
Clinical provider in New London, New Hampshire. Individual provider, active in the CMS NPPES registry since January 2, 2020.
## Identity
- **NPI:** 1093354540 (Entity type: Individual)
- **Enumerated:** January 2, 2020
- **Primary specialty:** Social Worker - Clinical · taxonomy 1041C0700X
- **State license:** 2344 (New Hampshire)
- **Sole proprietor:** No
## Practice location
- **Address:** 35 NEWPORT RD, New London, NH 03257-5413
- **Phone:** (603) 865-1321 · **Fax:** (603) 865-1327
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Counseling Associates Of New London PLLC (NPI 1205055365, New London, NH), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** February 2, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1093354540) · Data from the CMS NPPES public registry.