JOANNE BUTTERFIELD NP
NPI 1194215749
Nurse Practitioner in Boston, MA
About Joanne Butterfield Np NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOANNE BUTTERFIELD NP (NPI 1194215749) is an individual nurse practitioner in Boston, Massachusetts, licensed in Massachusetts (RN281978) and active in the NPI registry since May 2018. She is enrolled in Medicare PECOS, is affiliated with North Shore Medical Center -, and maintains a secondary practice location in Burlington.
NPPES Registry Identity
Specialties & Licenses 2
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
Joanne Butterfield Np 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
4Medicare enrollment records show Joanne Butterfield reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Salem, MA 01970
- Reassigned Medicare billing, Massachusetts enrollment
- 994 clinicians in this Medicare group
Lawrence, MA 01841
- Reassigned Medicare billing, Massachusetts enrollment
- 258 clinicians in this Medicare group
Gardner, MA 01440
- Reassigned Medicare billing, Massachusetts enrollment
- 344 clinicians in this Medicare group
Athol, MA 01331
- Reassigned Medicare billing, Massachusetts enrollment
- 324 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
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.
North Shore Medical Center -
Acute Care Hospitals · Salem, 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 Joanne Butterfield's NPI number?
The NPI number for Joanne Butterfield is 1194215749. It was assigned to this individual provider in the NPPES registry on May 18, 2018.
Where is Joanne Butterfield located?
Joanne Butterfield practices at 300 Longwood Ave, Boston, MA 02115. The listed phone number is (617) 355-6000.
What is Joanne Butterfield's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Joanne Butterfield enrolled in Medicare?
Yes. Joanne Butterfield 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 Joanne Butterfield's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Joanne Butterfield reassigns Medicare benefits to 4 organizations: Mass General Brigham Medical Group Northern Massachusetts Inc (Salem, MA), Lawrence General Hospital (Lawrence, MA), Henry Heywood Memorial Hospital (Gardner, MA) and Athol Memorial Hospital Incorporated (Athol, 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 Joanne Butterfield's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Joanne Butterfield accept?
Health plans from Taro Health list Joanne Butterfield 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 Joanne Butterfield affiliated with any hospitals?
According to CMS data, Joanne Butterfield is affiliated with North Shore Medical Center -.
When was this NPI record last updated?
The NPPES record for Joanne Butterfield was last updated on June 29, 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.
# Joanne Butterfield, NP · NPI 1194215749
Nurse Practitioner physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since May 18, 2018.
## Identity
- **NPI:** 1194215749 (Entity type: Individual)
- **Enumerated:** May 18, 2018
- **Primary specialty:** Nurse Practitioner · taxonomy 363L00000X
- **State license:** RN281978 (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:** 4 organizations under Medicare reassignment (form CMS-855R): Mass General Brigham Medical Group Northern Massachusetts Inc (NPI 1588606123, Salem, MA); Lawrence General Hospital (NPI 1477790152, Lawrence, MA); Henry Heywood Memorial Hospital (NPI 1205448701, Gardner, MA); Athol Memorial Hospital Incorporated (NPI 1336120047, Athol, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2019
## Record status
- **NPPES last updated:** June 29, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1194215749) · Data from the CMS NPPES public registry.