Katie Mary McMillen, FNP-BC
Family Nurse Practitioner · Boston, MA
Katie Mary McMillen, FNP-BC is a family nurse practitioner with a practice address in Boston, Massachusetts, and NPI 1790214278, issued on Jun 8, 2017. Check the license (Massachusetts RN2263962, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Katie Mary McMillen
- Credential
- FNP-BC
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- RN2263962 MA
Self-reported in NPPES; status is on the state search - Practice location
- 725 Albany Street, Boston, MA 02118
- Phone
- (617) 638-8456
- Enumerated
- Jun 8, 2017
- Record last updated
- Feb 15, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (617) 638-8465
- Medicare enrollment
- Enrolled (PECOS I20190227001787); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 4,724 in Massachusetts → Look up another NPI →
Also registered at 725 Albany Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Cecily Barber, MD, MPHObstetrics & Gynecology Physician1144754284
Verify Katie Mary McMillen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license RN2263962Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
21% more Medicare Part D claims than the average family nurse practitioner in 2024
1,578 Medicare Part D claims for 212 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. 56 claims were for opioids.
Most prescribed
- Gabapentin254 claims
- Baclofen132 claims
- Tizanidine Hcl105 claims
- Emgality Pen89 claims
- Nortriptyline Hcl89 claims
- Diclofenac Sodium67 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
- Boston University Neurology Associates IncBoston, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Katie Mary McMillen among 4,724 family nurse practitioner records in Massachusetts
Katie Mary McMillen, FNP-BC is one of 4,724 family 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 2017, is newer than 44% of them.
- NPI issued2017 · 44% of these records are older, 51% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2015 · median 2019 among the 2,704 with a school on file
- Record last updated2019 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
938 family nurse practitioner records list a practice address in Boston
They are 938 of the 41,865 NPPES records with a practice address in Boston, and 4,724 family nurse practitioner records in Massachusetts.
All 4,724 in Massachusetts → Every provider in Boston → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Marjorie Arvedon, FNPBoston, MA 021181376529842
- Ellen Bitz, NPBoston, MA 021181649254798
- Lois Doerr, NPBoston, MA 021181194784546
- Karen Friedman, MS RNC FNPBoston, MA 021181861421299
- Faye Huang, NPBoston, MA 021181366432353
- Terri Lacoursiere Zucchero, PHD, RN, FNP-BCBoston, MA 021181770565475
- Claire Murphy, NP-CBoston, MA 021181568447217
- Nancy Paull, NPBoston, MA 021181457466914
Common questions
What is Katie Mary McMillen, FNP-BC's NPI number?
Katie Mary McMillen, FNP-BC's National Provider Identifier (NPI) is 1790214278, issued on Jun 8, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Katie Mary McMillen, FNP-BC located?
The NPPES record lists a practice address at 725 Albany Street, Boston, MA, 02118. Phone: (617) 638-8456. Providers update this record themselves, so call before visiting.
How can I verify Katie Mary McMillen, FNP-BC's license?
NPPES lists Massachusetts license number RN2263962, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Katie Mary McMillen, FNP-BC prescribe under Medicare Part D?
In 2024, Katie Mary McMillen, FNP-BC had 1,578 Medicare Part D claims for 212 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.