KARIN MABACK CRNA
NPI 1366412728
Nurse Anesthetist, Certified Registered in Westwood, MA
About Karin Maback Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KARIN MABACK CRNA (NPI 1366412728) is an individual nurse anesthetist, certified registered in Westwood, Massachusetts, licensed in Massachusetts (171475) and active in the NPI registry since January 2006. She is enrolled in Medicare PECOS and is a graduate of Other (1995).
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
Karin Maback Crna 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 Karin Maback reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Andover, MA 01810
- Reassigned Medicare billing, Massachusetts enrollment
- 19 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 2
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 02090 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
WESTWOOD, MA 02090
WESTWOOD, MA 02090
WESTWOOD, MA 02090
WESTWOOD, MA 02090
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 Karin Maback's NPI number?
The NPI number for Karin Maback is 1366412728. It was assigned to this individual provider in the NPPES registry on January 26, 2006.
Where is Karin Maback located?
Karin Maback practices at 690 Canton St Suite 325, Westwood, MA 02090. The listed phone number is (781) 407-7713.
What is Karin Maback's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Karin Maback enrolled in Medicare?
Yes. Karin Maback 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 Karin Maback's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Karin Maback reassigns Medicare benefits to Ivs Anesthesia, LLC (Andover, 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 Karin Maback'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 Karin Maback was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Karin Maback, CRNA · NPI 1366412728
Nurse Anesthetist, Certified Registered physician in Westwood, Massachusetts. Individual provider, active in the CMS NPPES registry since January 26, 2006.
## Identity
- **NPI:** 1366412728 (Entity type: Individual)
- **Enumerated:** January 26, 2006
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** 171475 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 690 CANTON ST, SUITE 325, Westwood, MA 02090-2321
- **Phone:** (781) 407-7713 · **Fax:** (781) 407-0998
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging
- **Bills Medicare through:** Ivs Anesthesia, LLC (NPI 1740440163, Andover, MA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1995
## Record status
- **NPPES last updated:** July 13, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1366412728) · Data from the CMS NPPES public registry.