Katherine M. Flynn, NP
Acute Care Nurse Practitioner · Worcester, MA
Katherine M. Flynn, NP is an acute care nurse practitioner with a practice address in Worcester, Massachusetts, and NPI 1326360470, issued on Feb 17, 2010. Check the license (Massachusetts RN279483, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Katherine M. Flynn
- Credential
- NP
- Primary taxonomy
- Acute Care Nurse Practitioner 363LA2100X
- License numbers
- RN279483 MA
279483 MA
Self-reported in NPPES; status is on the state search - Practice location
- 55 Lake Ave N, Worcester, MA 01655
- Phone
- (508) 856-3068
- Enumerated
- Feb 17, 2010
- Record last updated
- Mar 16, 2022
- Medicaid ID
- 110086019A MA
- Medicare enrollment
- Enrolled (PECOS I20100713000271); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest acute care nurse practitioner records → All 598 in Massachusetts → Look up another NPI →
Also registered at 55 Lake Ave N
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Katherine M. Flynn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license RN279483Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
32% fewer Medicare Part D claims than the average acute care nurse practitioner in 2024
402 Medicare Part D claims for 87 beneficiaries, against an average of 594 among the 13,133 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.
Most prescribed
- Ursodiol74 claims
- Spironolactone61 claims
- Furosemide58 claims
- Lactulose46 claims
- Xifaxan34 claims
- Azathioprine28 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.
The MIPS final score for 2023 (Medicare payment program): 97 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Umass Memorial Medical Group IncWorcester, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Katherine M. Flynn among 598 acute care nurse practitioner records in Massachusetts
Katherine M. Flynn, 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 2010, is newer than 28% of them.
- NPI issued2010 · 28% of these records are older, 69% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2009 · median 2016 among the 341 with a school on file
- Record last updated2022 · 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).
Acute Care Nurse Practitioner providers in Massachusetts
There are 598 acute care nurse practitioner records in Massachusetts.
All 598 in Massachusetts → Every provider in Worcester → Acute Care Nurse Practitioner nationwide →
The 8 acute care nurse practitioner records with the nearest ZIP codes
- Margaret Cabral, NPWorcester, MA 016551346438637
- Sean Collins, NPWorcester, MA 016551740395185
- Cindy Cunningham, NPWorcester, MA 016551366459091
- Martha Dimilla, NPWorcester, MA 016551831284199
- Krista Elliott, NPWorcester, MA 016551972653426
- Alisa Kosla, NPWorcester, MA 016551780668202
- Jenna L'Heureux, NPWorcester, MA 016551770771073
- Joy Messick, NPWorcester, MA 016551740241447
Common questions
What is Katherine M. Flynn, NP's NPI number?
Katherine M. Flynn, NP's National Provider Identifier (NPI) is 1326360470, issued on Feb 17, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Katherine M. Flynn, NP located?
The NPPES record lists a practice address at 55 Lake Ave N, Worcester, MA, 01655. Phone: (508) 856-3068. Providers update this record themselves, so call before visiting.
How can I verify Katherine M. Flynn, NP's license?
NPPES lists Massachusetts license number RN279483, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Katherine M. Flynn, NP prescribe under Medicare Part D?
In 2024, Katherine M. Flynn, NP had 402 Medicare Part D claims for 87 beneficiaries; the average among acute care nurse practitioner prescribers was 594. Part D covers Medicare prescriptions only.
What is Katherine M. Flynn, NP's MIPS final score?
The 2023 MIPS final score is 97 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.