Kathleen Marion, NP
Nurse Practitioner · Boston, MA
Kathleen Marion, NP is a nurse practitioner with a practice address in Boston, Massachusetts, and NPI 1598274508, issued on Sep 21, 2017. Check the license (Massachusetts RN2287757, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Kathleen Marion
- Credential
- NP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- RN2287757 MA
Self-reported in NPPES; status is on the state search - Practice location
- 221 Longwood Ave, Boston, MA 02115
- Phone
- (617) 732-5666
- Enumerated
- Sep 21, 2017
- Record last updated
- Dec 27, 2017 (not updated in 9 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20171228000021); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 3,480 in Massachusetts → Look up another NPI →
Also registered at 221 Longwood Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Kathleen Marion in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license RN2287757Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
58% more Medicare Part D claims than the average nurse practitioner in 2024
1,757 Medicare Part D claims for 370 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.
Most prescribed
- Amlodipine Besylate102 claims
- Atorvastatin Calcium102 claims
- Levothyroxine Sodium75 claims
- Omeprazole73 claims
- Hydrochlorothiazide70 claims
- Lisinopril66 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
- Southcoast Physicians Group IncNorth Dartmouth, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kathleen Marion among 3,480 nurse practitioner records in Massachusetts
Kathleen Marion, 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 2017, is newer than 55% of them.
- NPI issued2017 · 55% of these records are older, 41% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 56% of these records are
- Graduated2017 · median 2017 among the 1,963 with a school on file
- Record last updated2017 · 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 Kathleen Marion, NP's NPI number?
Kathleen Marion, NP's National Provider Identifier (NPI) is 1598274508, issued on Sep 21, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Kathleen Marion, NP located?
The NPPES record lists a practice address at 221 Longwood Ave, Boston, MA, 02115. Phone: (617) 732-5666. Providers update this record themselves, so call before visiting.
How can I verify Kathleen Marion, NP's license?
NPPES lists Massachusetts license number RN2287757, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Kathleen Marion, NP prescribe under Medicare Part D?
In 2024, Kathleen Marion, NP had 1,757 Medicare Part D claims for 370 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.