KRISTIN M SCHANTZEN CRNA, ACNP-C
NPI 1821053968
Nurse Practitioner - Acute Care in Boston, MA
About Kristin M Schantzen Crna, Acnp-c NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KRISTIN M SCHANTZEN CRNA, ACNP-C (NPI 1821053968) is an individual acute care provider in Boston, Massachusetts, licensed in Massachusetts (MA2370709) and active in the NPI registry since April 2006. She is enrolled in Medicare PECOS, is affiliated with Massachusetts Eye And Ear Infirmary -, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 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
Kristin M Schantzen Crna, Acnp-c 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 Kristin Schantzen reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Boston, MA 02114
- Reassigned Medicare billing, Massachusetts enrollment
- 6,360 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
- 478 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 Eye And Ear Infirmary -
Acute Care Hospitals · Boston, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02114 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BOSTON, MA 02114
BOSTON, MA 02114
BOSTON, MA 02114
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 Kristin Schantzen's NPI number?
The NPI number for Kristin Schantzen is 1821053968. It was assigned to this individual provider in the NPPES registry on April 20, 2006.
Where is Kristin Schantzen located?
Kristin Schantzen practices at 55 Fruit St, Boston, MA 02114. The listed phone number is (617) 726-2000.
What is Kristin Schantzen's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.
Is Kristin Schantzen enrolled in Medicare?
Yes. Kristin Schantzen 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 Kristin Schantzen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Kristin Schantzen reassigns Medicare benefits to 3 organizations: Massachusetts General Physicians Organization Inc (Boston, MA), The General Hospital Corporation (Boston, MA) and Massachusetts Eye And Ear Associates, 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 Kristin Schantzen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Kristin Schantzen accept?
Health plans from Taro Health list Kristin Schantzen 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 Kristin Schantzen affiliated with any hospitals?
According to CMS data, Kristin Schantzen is affiliated with Massachusetts Eye And Ear Infirmary -.
When was this NPI record last updated?
The NPPES record for Kristin Schantzen was last updated on May 19, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.
# Kristin M Schantzen, CRNA, ACNP-C · NPI 1821053968
Acute Care physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since April 20, 2006.
## Identity
- **NPI:** 1821053968 (Entity type: Individual)
- **Enumerated:** April 20, 2006
- **Primary specialty:** Nurse Practitioner - Acute Care · taxonomy 363LA2100X
- **State license:** MA2370709 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 55 FRUIT ST, Boston, MA 02114-2696
- **Phone:** (617) 726-2000
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Massachusetts General Physicians Organization Inc (NPI 1801874573, Boston, MA); The General Hospital Corporation (NPI 1023049236, Boston, MA); Massachusetts Eye And Ear Associates, Inc. (NPI 1932574332, Boston, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Minnesota Medical School, class of 2001
## Record status
- **NPPES last updated:** May 19, 2025
- **Other identifiers:** Medicaid 36042900 (MN)
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Source: [NPI Profile](https://npiprofile.com/npi/1821053968) · Data from the CMS NPPES public registry.