Jennifer Mathisen Maher, NP
Acute Care Nurse Practitioner · Winchester, MA
Jennifer Mathisen Maher, NP is an acute care nurse practitioner with a practice address in Winchester, Massachusetts, and NPI 1396009643, issued on Jul 2, 2012. Check the license (Massachusetts 234115, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Jennifer Mathisen Maher
- Credential
- NP
- Primary taxonomy
- Acute Care Nurse Practitioner 363LA2100X
- License number
- 234115 MA
Self-reported in NPPES; status is on the state search - Practice location
- 165 High St, Winchester, MA 01890
- Phone
- (617) 448-1966
- Enumerated
- Jul 2, 2012
- Record last updated
- Apr 28, 2014 (not updated in 12 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20140917001534); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest acute care nurse practitioner records → All 598 in Massachusetts → Look up another NPI →
Verify Jennifer Mathisen Maher in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license 234115Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average acute care nurse practitioner in 2024
70 Medicare Part D claims for 41 beneficiaries, against an average of 594 among the 13,133 providers of this specialty who prescribed in Part D. 24 claims were for opioids.
Most prescribed
- Oxycodone Hcl16 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
- Massachusetts General Physicians Organization IncBoston, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jennifer Mathisen Maher among 598 acute care nurse practitioner records in Massachusetts
Jennifer Mathisen Maher, NP is one of 598 acute care nurse practitioner records with a practice address in Massachusetts. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 35% of them.
- NPI issued2012 · 35% of these records are older, 61% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2010 · median 2016 among the 341 with a school on file
- Record last updated2014 · 46% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2100X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
5 acute care nurse practitioner records list a practice address in Winchester
They are 5 of the 439 NPPES records with a practice address in Winchester, and 598 acute care nurse practitioner records in Massachusetts.
All 598 in Massachusetts → Every provider in Winchester → Acute Care Nurse Practitioner nationwide →
The 8 acute care nurse practitioner records with the nearest ZIP codes
- Shauna Culhane, NPWinchester, MA 018901407312655
- Patty Kok, APRNWinchester, MA 018901083331888
- Bryan McCullough, NPWinchester, MA 018901821662719
- Kathleen Sloper, NPWinchester, MA 018901205952082
- Elizabeth Dougherty, NPTewksbury, MA 018761841310364
- Lisa Pugh, NPSaugus, MA 019061821055773
- Elina Kamen, ACNP-BCNahant, MA 019081699905844
- Roula Johnstone, ACNP-BCN Chelmsford, MA 018631598907271
Common questions
What is Jennifer Mathisen Maher, NP's NPI number?
Jennifer Mathisen Maher, NP's National Provider Identifier (NPI) is 1396009643, issued on Jul 2, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Jennifer Mathisen Maher, NP located?
The NPPES record lists a practice address at 165 High St, Winchester, MA, 01890. Phone: (617) 448-1966. Providers update this record themselves, so call before visiting.
How can I verify Jennifer Mathisen Maher, NP's license?
NPPES lists Massachusetts license number 234115, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Jennifer Mathisen Maher, NP prescribe under Medicare Part D?
In 2024, Jennifer Mathisen Maher, NP had 70 Medicare Part D claims for 41 beneficiaries; the average among acute care nurse practitioner prescribers was 594. 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.