Joanne Butterfield, NP
Nurse Practitioner · Boston, MA
Joanne Butterfield, NP is a nurse practitioner with a practice address in Boston, Massachusetts, and NPI 1194215749, issued on May 18, 2018. Check the license (Massachusetts RN281978, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Joanne Butterfield
- Credential
- NP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- RN281978 MA
Self-reported in NPPES; status is on the state search - Practice location
- 300 Longwood Ave, Boston, MA 02115
- Phone
- (617) 355-6000
- Enumerated
- May 18, 2018
- Record last updated
- Jun 29, 2022
- Medicare enrollment
- Enrolled (PECOS I20201015002490); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 3,480 in Massachusetts → Look up another NPI →
Also registered at 300 Longwood Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Joanne Butterfield in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license RN281978Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average nurse practitioner in 2024
78 Medicare Part D claims for 41 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. 18 claims were for opioids.
Most prescribed
- Oxycodone Hcl14 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through 2 group practices
- Lawrence General HospitalLawrence, MA
- Mass General Brigham Medical Group Northern Massachusetts IncSalem, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joanne Butterfield among 3,480 nurse practitioner records in Massachusetts
Joanne Butterfield, NP is one of 3,480 nurse practitioner records with a practice address in Massachusetts. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 59% of them.
- NPI issued2018 · 59% of these records are older, 37% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 56% of these records are
- Graduated2019 · median 2017 among the 1,963 with a school on file
- Record last updated2022 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
961 nurse practitioner records list a practice address in Boston
They are 961 of the 41,865 NPPES records with a practice address in Boston, and 3,480 nurse practitioner records in Massachusetts.
All 3,480 in Massachusetts → Every provider in Boston → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Annette Baker, NPBoston, MA 021151477501344
- Heather Bastardi, NPBoston, MA 021151528026192
- Shay Dillis, NPBoston, MA 021151548228117
- Ann Dirr, NPBoston, MA 021151447266168
- Catherine Earley, NPBoston, MA 021151548239890
- Juli-Anne Evangelista, NPBoston, MA 021151619935285
- John Fantegrossi, NPBoston, MA 021151548218431
- Lucy Graves, NPBoston, MA 021151497785885
Common questions
What is Joanne Butterfield, NP's NPI number?
Joanne Butterfield, NP's National Provider Identifier (NPI) is 1194215749, issued on May 18, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Joanne Butterfield, NP located?
The NPPES record lists a practice address at 300 Longwood Ave, Boston, MA, 02115. Phone: (617) 355-6000. Providers update this record themselves, so call before visiting.
How can I verify Joanne Butterfield, NP's license?
NPPES lists Massachusetts license number RN281978, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Joanne Butterfield, NP prescribe under Medicare Part D?
In 2024, Joanne Butterfield, NP had 78 Medicare Part D claims for 41 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.