KATHRYN ROSE KOESTNER NP
NPI 1477106086
Nurse Practitioner - Gerontology in Boston, MA
About Kathryn Rose Koestner Np NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KATHRYN ROSE KOESTNER NP (NPI 1477106086) is an individual gerontology provider in Boston, Massachusetts, licensed in Massachusetts (RN2292372) and active in the NPI registry since July 2019. She is enrolled in Medicare PECOS, is affiliated with Massachusetts General Hospital, and is a graduate of Other (2018).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 1
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 Rose Koestner Np 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
3Medicare enrollment records show Kathryn Koestner reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Boston, MA 02118
- Reassigned Medicare billing, Massachusetts enrollment
- 102 clinicians in this Medicare group
Boston, MA 02114
- Reassigned Medicare billing, Massachusetts enrollment
- 6,234 clinicians in this Medicare group
Boston, MA 02114
- Reassigned Medicare billing, Massachusetts enrollment
- 6,360 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Massachusetts General Hospital
Acute Care Hospitals · Boston, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02118 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 3
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 10
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BOSTON, MA 02118
BOSTON, MA 02118
BOSTON, MA 02118
BOSTON, MA 02118
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 Koestner's NPI number?
The NPI number for Kathryn Koestner is 1477106086. It was assigned to this individual provider in the NPPES registry on July 23, 2019.
Where is Kathryn Koestner located?
Kathryn Koestner practices at 725 Albany Street, Suite 3A Shapiro Bldg., Boston, MA 02118. The listed phone number is (617) 414-4861.
What is Kathryn Koestner's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Gerontology, with taxonomy code 363LG0600X.
Is Kathryn Koestner enrolled in Medicare?
Yes. Kathryn Koestner 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 Koestner's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Kathryn Koestner reassigns Medicare benefits to 3 organizations: Boston University General Surgical Associates, Inc. (Boston, MA), The General Hospital Corporation (Boston, MA) and Massachusetts General Physicians Organization Inc (Boston, 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 Koestner's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Kathryn Koestner accept?
Health plans from Taro Health and WellSense Health Plan list Kathryn Koestner 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.
Is Kathryn Koestner affiliated with any hospitals?
According to CMS data, Kathryn Koestner is affiliated with Massachusetts General Hospital.
When was this NPI record last updated?
The NPPES record for Kathryn Koestner was last updated on April 16, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.