MS. KATHRYN TESS CASEY FNP-BC
NPI 1619860566
Nurse Practitioner - Family in Brookline, MA
About Ms. Kathryn Tess Casey Fnp-bc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. KATHRYN TESS CASEY FNP-BC (NPI 1619860566) is an individual family provider in Brookline, Massachusetts, licensed in Massachusetts (RN10018349) and active in the NPI registry since May 2025. She is enrolled in Medicare PECOS and is a graduate of Other (2025).
NPPES Registry Identity
Specialties & Licenses
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Ms. Kathryn Tess Casey Fnp-bc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Kathryn Casey reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Brookline, MA 02446
- Reassigned Medicare billing, Massachusetts enrollment
- 8 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02446 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 8
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BROOKLINE, MA 02446
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 Casey's NPI number?
The NPI number for Kathryn Casey is 1619860566. It was assigned to this individual provider in the NPPES registry on May 30, 2025.
Where is Kathryn Casey located?
Kathryn Casey practices at 1180 Beacon St Ste 6B, Brookline, MA 02446. The listed phone number is (781) 770-4064.
What is Kathryn Casey's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Kathryn Casey enrolled in Medicare?
Yes. Kathryn Casey is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Kathryn Casey's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Kathryn Casey reassigns Medicare benefits to Holtzman Medical Group, LLC (Brookline, MA). The 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 Casey's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Kathryn Casey was last updated on November 1, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months 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.
# Ms. Kathryn Tess Casey, FNP-BC · NPI 1619860566
Family physician in Brookline, Massachusetts. Individual provider, active in the CMS NPPES registry since May 30, 2025.
## Identity
- **NPI:** 1619860566 (Entity type: Individual)
- **Enumerated:** May 30, 2025
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** RN10018349 (Massachusetts)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1180 BEACON ST STE 6B, Brookline, MA 02446-3806
- **Phone:** (781) 770-4064
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Holtzman Medical Group, LLC (NPI 1184145955, Brookline, MA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2025
## Record status
- **NPPES last updated:** November 1, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1619860566) · Data from the CMS NPPES public registry.