Catherine Gilligan Carroll, NP
Nurse Practitioner · Boston, MA
Catherine Gilligan Carroll, NP is a nurse practitioner with a practice address in Boston, Massachusetts, and NPI 1235511031, issued on Jun 29, 2015. Check the license (Massachusetts RN277379, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Catherine Gilligan Carroll
- Credential
- NP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- RN277379 MA
Self-reported in NPPES; status is on the state search - Practice location
- 800 Washington St, Boston, MA 02111
- Phone
- (617) 636-4809
- Enumerated
- Jun 29, 2015
- Record last updated
- Apr 20, 2022
- Medicare enrollment
- Enrolled (PECOS I20150922000908); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 3,480 in Massachusetts → Look up another NPI →
Also registered at 800 Washington St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Catherine Gilligan Carroll in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license RN277379Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
56% fewer Medicare Part D claims than the average nurse practitioner in 2024
488 Medicare Part D claims for 124 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 41% of claims.
Most prescribed
- Metoprolol Succinate91 claims
- Eliquis70 claims
- Verapamil Er39 claims
- Camzyos35 claims
- Norpace Cr35 claims
- Jardiance32 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 one group practice
- Lahey Clinic IncBurlington, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Catherine Gilligan Carroll among 3,480 nurse practitioner records in Massachusetts
Catherine Gilligan Carroll, 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 2015, is newer than 48% of them.
- NPI issued2015 · 48% of these records are older, 49% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 56% of these records are
- Graduated2014 · 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
- Deborah Carr, N.P.Boston, MA 021111194705095
- Kathleen Coleman, NPBoston, MA 021111265406847
- Elizabeth Cruz, NPBoston, MA 021111235480377
- Grace Da Cunha, NPBoston, MA 021111164850475
- Noreen Dolan, NP-CBoston, MA 021111255669503
- Cynthia Enright, NP-CBoston, MA 021111437367380
- Benjamin Hollingsworth, NPBoston, MA 021111972670222
- Barbara Ludman, NPBoston, MA 021111003996620
Common questions
What is Catherine Gilligan Carroll, NP's NPI number?
Catherine Gilligan Carroll, NP's National Provider Identifier (NPI) is 1235511031, issued on Jun 29, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Catherine Gilligan Carroll, NP located?
The NPPES record lists a practice address at 800 Washington St, Boston, MA, 02111. Phone: (617) 636-4809. Providers update this record themselves, so call before visiting.
How can I verify Catherine Gilligan Carroll, NP's license?
NPPES lists Massachusetts license number RN277379, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Catherine Gilligan Carroll, NP prescribe under Medicare Part D?
In 2024, Catherine Gilligan Carroll, NP had 488 Medicare Part D claims for 124 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.