SUSAN KOSTRZEWSKI APRN
NPI 1770058273
Nurse Practitioner - Psychiatric/Mental Health in Concord, NH
About Susan Kostrzewski Aprn NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SUSAN KOSTRZEWSKI APRN (NPI 1770058273) is an individual psychiatric/mental health provider in Concord, New Hampshire, licensed in New Hampshire (068472-23) and active in the NPI registry since October 2018. She is enrolled in Medicare PECOS and is a graduate of Other (2013).
NPPES Registry Identity
Specialties & Licenses
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
Susan Kostrzewski Aprn 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 Reassignment
Medicare enrollment records show Susan Kostrzewski reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Concord, NH 03301
- Reassigned Medicare billing, New Hampshire enrollment
- 120 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 3
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 03301 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 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CONCORD, NH 03301
CONCORD, NH 03301
CONCORD, NH 03301
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 Susan Kostrzewski's NPI number?
The NPI number for Susan Kostrzewski is 1770058273. It was assigned to this individual provider in the NPPES registry on October 10, 2018.
Where is Susan Kostrzewski located?
Susan Kostrzewski practices at 105 Pleasant St, Concord, NH 03301. The listed phone number is (603) 271-7936.
What is Susan Kostrzewski's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.
Is Susan Kostrzewski enrolled in Medicare?
Yes. Susan Kostrzewski 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 organization bills Medicare for Susan Kostrzewski's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Susan Kostrzewski reassigns Medicare benefits to State Of New Hampshire (Concord, NH). 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 Susan Kostrzewski'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 Susan Kostrzewski was last updated on October 10, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.