Ann Klinkusoom, NP
Nurse Practitioner · Watertown, MA
Ann Klinkusoom, NP is a nurse practitioner with a practice address in Watertown, Massachusetts, and NPI 1942585831, issued on Oct 11, 2011. Check the license (Massachusetts RN2269963, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Ann Klinkusoom
- Credential
- NP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- RN2269963 MA
Self-reported in NPPES; status is on the state search - Practice location
- 485 Arsenal St, Watertown, MA 02472
- Phone
- (617) 972-5100
- Enumerated
- Oct 11, 2011
- Record last updated
- Oct 11, 2011 (not updated in 15 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20120206000634); 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 485 Arsenal St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jennifer Allen, PHARMD, CDCES, BCACPAmbulatory Care Pharmacist1285890566
- Nicole Allie, PHARMD, CGPGeriatric Pharmacist1104933936
- Ehsan Azimi, M.D.Internal Medicine Physician1437475829
- Olivia Bass, NPFamily Nurse Practitioner1669209664
- Mark Bauer, M.D.Internal Medicine Physician1487625307
- Edward Bauman, PSYDPsychologist1174575674
Verify Ann Klinkusoom in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license RN2269963Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3% fewer Medicare Part D claims than the average nurse practitioner in 2024
1,081 Medicare Part D claims for 263 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium103 claims
- Lisinopril62 claims
- Amlodipine Besylate44 claims
- Metoprolol Succinate41 claims
- Losartan Potassium39 claims
- Levothyroxine Sodium35 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
- Atrius Health IncNeedham, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ann Klinkusoom among 3,480 nurse practitioner records in Massachusetts
Ann Klinkusoom, 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 2011, is newer than 38% of them.
- NPI issued2011 · 38% of these records are older, 60% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 56% of these records are
- Graduated2009 · median 2017 among the 1,963 with a school on file
- Record last updated2011 · 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).
8 nurse practitioner records list a practice address in Watertown
They are 8 of the 873 NPPES records with a practice address in Watertown, and 3,480 nurse practitioner records in Massachusetts.
All 3,480 in Massachusetts → Every provider in Watertown → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Rebecca Alleyne HoltzclawWatertown, MA 024721043671415
- Mary-Ellen Cooper, NPWatertown, MA 024721689989568
- Vail Cort, MSN, FNP-BCWatertown, MA 024721285396705
- Sara Mannix, NPWatertown, MA 024721578616843
- Noemi Padilla, NPWatertown, MA 024721114796661
- Allison Page, FNP-CWatertown, MA 024721548967102
- Katherine Rawls, NPWatertown, MA 024721780224436
- Claire Anthony, NPArlington, MA 024741699350769
Common questions
What is Ann Klinkusoom, NP's NPI number?
Ann Klinkusoom, NP's National Provider Identifier (NPI) is 1942585831, issued on Oct 11, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Ann Klinkusoom, NP located?
The NPPES record lists a practice address at 485 Arsenal St, Watertown, MA, 02472. Phone: (617) 972-5100. Providers update this record themselves, so call before visiting.
How can I verify Ann Klinkusoom, NP's license?
NPPES lists Massachusetts license number RN2269963, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Ann Klinkusoom, NP prescribe under Medicare Part D?
In 2024, Ann Klinkusoom, NP had 1,081 Medicare Part D claims for 263 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.