Katelyn Marie Koen, F.N.P.
Family Nurse Practitioner · Ashland, MA
Katelyn Marie Koen, F.N.P. is a family nurse practitioner with a practice address in Ashland, Massachusetts, and NPI 1639437932, issued on Apr 25, 2012. Check the license (Massachusetts RN266368, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Katelyn Marie Koen
- Credential
- F.N.P.
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- RN266368 MA
Self-reported in NPPES; status is on the state search - Practice location
- 414 Union St, Ashland, MA 01721
- Phone
- (508) 881-7606
- Enumerated
- Apr 25, 2012
- Record last updated
- Feb 21, 2019 (not updated in 7 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
Also registered at 414 Union St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kady Bonica, FNPFamily Nurse Practitioner1578272621
- Jaylene Dejesus, RPHPharmacist1972472223
- Jonathan HuiePharmacist1093430241
- Mariyan Montaque, DNP, FNP-BCFamily Nurse Practitioner1083081046
- Sandhya Nambudripad, NPFamily Nurse Practitioner1881231496
- Lacey Parker, APRNFamily Nurse Practitioner1184912503
Verify Katelyn Marie Koen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license RN266368Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average family nurse practitioner in 2024
35 Medicare Part D claims for 30 beneficiaries, against an average of 1,305 among the 140,557 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 84.9 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
8 family nurse practitioner records list a practice address in Ashland
They are 8 of the 167 NPPES records with a practice address in Ashland, and 4,724 family nurse practitioner records in Massachusetts.
All 8 in Ashland → All 4,724 in Massachusetts → Every provider in Ashland →
Other family nurse practitioner records in Massachusetts
- Christina Abate, N.P.Boston, MA1235414970
- Katelynne Abbott, NPDanvers, MA1932355880
- Georgette Abboud, FNP-CHanscom Afb, MA1538593686
- Irfana Abdulhameed, FNPNorthborough, MA1417661786
- Christina Abouleish, NPNorwell, MA1700515772
- Christine Abraham, NPSouthborough, MA1215774658
- Catherine Abrams, FNP-CNorth Dartmouth, MA1528790599
- Wendy Abrams, FNPBoston, MA1962557801
- Michelle Abreu, FNP-BCArlington, MA1346138914
- Karolyn Abreu Blanco, FNP-BCLawrence, MA1043007644
Common questions
What is Katelyn Marie Koen, F.N.P.'s NPI number?
Katelyn Marie Koen, F.N.P.'s National Provider Identifier (NPI) is 1639437932, issued on Apr 25, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Katelyn Marie Koen, F.N.P. located?
The NPPES record lists a practice address at 414 Union St, Ashland, MA, 01721. Phone: (508) 881-7606. Providers update this record themselves, so call before visiting.
How can I verify Katelyn Marie Koen, F.N.P.'s license?
NPPES lists Massachusetts license number RN266368, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Katelyn Marie Koen, F.N.P. prescribe under Medicare Part D?
In 2024, Katelyn Marie Koen, F.N.P. had 35 Medicare Part D claims for 30 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
What is Katelyn Marie Koen, F.N.P.'s MIPS final score?
The 2023 MIPS final score is 84.9 of 100, reported for the practice group. 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.