Katherine Deblois Milley, CNP
Nurse Practitioner · Boston, MA
Katherine Deblois Milley, CNP is a nurse practitioner with a practice address in Boston, Massachusetts, and NPI 1437925120, issued on Dec 4, 2023. Check the license (Massachusetts RN278423, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Katherine Deblois Milley
- Credential
- CNP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- RN278423 MA
Self-reported in NPPES; status is on the state search - Practice location
- 55 Fruit St, Boston, MA 02114
- Phone
- (617) 724-1130
- Enumerated
- Dec 4, 2023
- Record last updated
- Feb 29, 2024
- Fax
- (617) 724-2430
- Entity
- Type 1 · individual
Also registered at 55 Fruit St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Katherine Deblois Milley in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license RN278423Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average nurse practitioner in 2024
120 Medicare Part D claims for 18 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D.
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.
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 961 in Boston → All 3,480 in Massachusetts → Every provider in Boston →
Other nurse practitioner records in Massachusetts
- Paula Abate, NPWorcester, MA1336265909
- Carolyn Abbanat Villafane, NPBoston, MA1598810269
- Lisa Abbondanza, CNPFranklin, MA1770892630
- Elizabeth Abbruzzese, NPWorcester, MA1326645300
- Alberta Abbuah, PMHNPFramingham, MA1437873411
- Fatima AbdallaMelrose, MA1326407529
- Israh AbdeljaberWorcester, MA1912629528
- Erika AbeidFairhaven, MA1831084839
- Nina AbelowitzConcord, MA1528201704
- Esayas Abraham, NPChelsea, MA1851275895
Common questions
What is Katherine Deblois Milley, CNP's NPI number?
Katherine Deblois Milley, CNP's National Provider Identifier (NPI) is 1437925120, issued on Dec 4, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Katherine Deblois Milley, CNP located?
The NPPES record lists a practice address at 55 Fruit St, Boston, MA, 02114. Phone: (617) 724-1130. Providers update this record themselves, so call before visiting.
How can I verify Katherine Deblois Milley, CNP's license?
NPPES lists Massachusetts license number RN278423, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Katherine Deblois Milley, CNP prescribe under Medicare Part D?
In 2024, Katherine Deblois Milley, CNP had 120 Medicare Part D claims for 18 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.