KATHRYN YUKO BARZILAI NURSE PRACTITIONER
NPI 1730296906
Nurse Practitioner - Gerontology in West Springfield, MA
About Kathryn Yuko Barzilai Nurse Practitioner NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KATHRYN YUKO BARZILAI NURSE PRACTITIONER (NPI 1730296906) is an individual gerontology provider in West Springfield, Massachusetts, licensed in Massachusetts (RN2258167) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2002).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Secondary Practice Locations 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Kathryn Yuko Barzilai Nurse Practitioner is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Kathryn Barzilai reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Springfield, MA 01199
- Reassigned Medicare billing, Massachusetts enrollment
- 1,537 clinicians in this Medicare group
Needham, MA 02494
- Reassigned Medicare billing, Massachusetts enrollment
- 356 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 01089 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 6
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Kathryn Barzilai's NPI number?
The NPI number for Kathryn Barzilai is 1730296906. It was assigned to this individual provider in the NPPES registry on August 24, 2006. The provider is also known as Kathryn Yuko Barzilai Castellano.
Where is Kathryn Barzilai located?
Kathryn Barzilai practices at 30 Capital Dr, West Springfield, MA 01089. The listed phone number is (413) 794-6411.
What is Kathryn Barzilai's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Gerontology, with taxonomy code 363LG0600X.
Is Kathryn Barzilai enrolled in Medicare?
Yes. Kathryn Barzilai is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Kathryn Barzilai's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Kathryn Barzilai reassigns Medicare benefits to 2 organizations: Baystate Medical Practices, Inc (Springfield, MA) and Medical Care Of Boston Management Corporation (Needham, MA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Kathryn Barzilai's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Kathryn Barzilai accept?
Health plans from Taro Health list Kathryn Barzilai as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Kathryn Barzilai was last updated on April 8, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Kathryn Yuko Barzilai, NURSE PRACTITIONER · NPI 1730296906
Gerontology physician in West Springfield, Massachusetts. Individual provider, active in the CMS NPPES registry since August 24, 2006.
## Identity
- **NPI:** 1730296906 (Entity type: Individual)
- **Enumerated:** August 24, 2006
- **Primary specialty:** Nurse Practitioner - Gerontology · taxonomy 363LG0600X
- **State license:** RN2258167 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 30 CAPITAL DR, West Springfield, MA 01089-1350
- **Phone:** (413) 794-6411 · **Fax:** (413) 794-6685
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Baystate Medical Practices, Inc (NPI 1548205909, Springfield, MA); Medical Care Of Boston Management Corporation (NPI 1437196359, Needham, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2002
## Record status
- **NPPES last updated:** April 8, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1730296906) · Data from the CMS NPPES public registry.