Kathryn Yuko Barzilai, NURSE PRACTITIONER
Gerontology Nurse Practitioner · West Springfield, MA
Kathryn Yuko Barzilai, NURSE PRACTITIONER is a gerontology nurse practitioner with a practice address in West Springfield, Massachusetts, and NPI 1730296906, issued on Aug 24, 2006. Check the license (Massachusetts RN2258167, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Kathryn Yuko Barzilai
- Credential
- NURSE PRACTITIONER
- Primary taxonomy
- Gerontology Nurse Practitioner 363LG0600X
- License number
- RN2258167 MA
Self-reported in NPPES; status is on the state search - Practice location
- 30 Capital Dr, West Springfield, MA 01089
- Phone
- (413) 794-6411
- Enumerated
- Aug 24, 2006
- Record last updated
- Apr 8, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (413) 794-6685
- Medicare enrollment
- Enrolled (PECOS I20101026000795); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest gerontology nurse practitioner records → All 379 in Massachusetts → Look up another NPI →
Also registered at 30 Capital Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Eileen Berge, FNPFamily Nurse Practitioner1235337593
- Molly FentonClinical Social Worker1346641628
- Amy HallNurse's Aide1346455540
- Lisa Kowalczyk, OTR/LOccupational Therapist1417697897
- Emma Tso, LCSWClinical Social Worker1639824857
Verify Kathryn Yuko Barzilai in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license RN2258167Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average gerontology nurse practitioner in 2024
51 Medicare Part D claims, against an average of 1,369 among the 6,165 providers of this specialty who prescribed in Part D. Brand-name drugs were 33% of claims. 29 claims were for opioids.
Most prescribed
- Morphine Sulfate15 claims
- Clonazepam12 claims
- Methadone Hcl12 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 2 group practices
- Baystate Medical Practices IncWest Springfield, MA
- Medical Care OF Boston Management CorporationRandolph, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kathryn Yuko Barzilai among 379 gerontology nurse practitioner records in Massachusetts
Kathryn Yuko Barzilai, NURSE PRACTITIONER is one of 379 gerontology nurse practitioner records with a practice address in Massachusetts. 70% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 84% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileYes · 51% of these records are
- Graduated2002 · median 2017 among the 192 with a school on file
- Record last updated2021 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LG0600X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
8 gerontology nurse practitioner records list a practice address in West Springfield
They are 8 of the 1,214 NPPES records with a practice address in West Springfield, and 379 gerontology nurse practitioner records in Massachusetts.
All 379 in Massachusetts → Every provider in West Springfield → Gerontology Nurse Practitioner nationwide →
The 8 gerontology nurse practitioner records with the nearest ZIP codes
- Sheryl Derderian, NPWest Springfield, MA 010891801976352
- Zhibin Fang, CNPWest Springfield, MA 010891558838995
- Jessica Fleming, MSN, CNPWest Springfield, MA 010891730660002
- Penina Marenge, NP-CWest Springfield, MA 010891891200457
- Kathleen McCarthy, NPWest Springfield, MA 010891457474074
- Isaac Ndungu, CNPWest Springfield, MA 010891174900690
- Sun Weaver, CNPWest Springfield, MA 010891225496078
- Angela Nurek, DNP, AGACNP-BCWare, MA 010821316750771
Common questions
What is Kathryn Yuko Barzilai, NURSE PRACTITIONER's NPI number?
Kathryn Yuko Barzilai, NURSE PRACTITIONER's National Provider Identifier (NPI) is 1730296906, issued on Aug 24, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Kathryn Yuko Barzilai, NURSE PRACTITIONER located?
The NPPES record lists a practice address at 30 Capital Dr, West Springfield, MA, 01089. Phone: (413) 794-6411. Providers update this record themselves, so call before visiting.
How can I verify Kathryn Yuko Barzilai, NURSE PRACTITIONER's license?
NPPES lists Massachusetts license number RN2258167, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Kathryn Yuko Barzilai, NURSE PRACTITIONER prescribe under Medicare Part D?
In 2024, Kathryn Yuko Barzilai, NURSE PRACTITIONER had 51 Medicare Part D claims; the average among gerontology nurse practitioner prescribers was 1,369. 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.