ERIK R GUERIN CRNA, APRN
NPI 1447582242
Nurse Anesthetist, Certified Registered in East Hartford, CT
About Erik R Guerin Crna, Aprn NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ERIK R GUERIN CRNA, APRN (NPI 1447582242) is an individual nurse anesthetist, certified registered in East Hartford, Connecticut, licensed in Connecticut (4302) and active in the NPI registry since February 2010. He is enrolled in Medicare PECOS, is affiliated with Mercy Medical Ctr, and is a graduate of Other (2012).
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
Erik R Guerin Crna, 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 Reassignments
4Medicare enrollment records show Erik Guerin reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Hartford, CT 06106
- Reassigned Medicare billing, Connecticut enrollment
- 417 clinicians in this Medicare group
Hartford, CT 06105
- Reassigned Medicare billing, Connecticut and Massachusetts enrollments
- 302 clinicians in this Medicare group
Willimantic, CT 06226
- Reassigned Medicare billing, Connecticut enrollment
- 91 clinicians in this Medicare group
Shelton, CT 06484
- Reassigned Medicare billing, Connecticut enrollment
- 727 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 5
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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mercy Medical Ctr
Acute Care Hospitals · Springfield, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 06108 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 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
EAST HARTFORD, CT 06108
EAST HARTFORD, CT 06108
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 Erik Guerin's NPI number?
The NPI number for Erik Guerin is 1447582242. It was assigned to this individual provider in the NPPES registry on February 3, 2010.
Where is Erik Guerin located?
Erik Guerin practices at 99 East River Drive 5th Floor, East Hartford, CT 06108. The listed phone number is (860) 282-4022.
What is Erik Guerin's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Erik Guerin enrolled in Medicare?
Yes. Erik Guerin 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 Erik Guerin's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Erik Guerin reassigns Medicare benefits to 4 organizations: Connecticut Gi PLLC (Hartford, CT), Woodland Anesthesia Associates PC (Hartford, CT), Anesthesia Associates Of Willimantic PC (Willimantic, CT) and Integrated Anesthesia Associates LLC (Shelton, CT). 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 Erik Guerin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Erik Guerin affiliated with any hospitals?
According to CMS data, Erik Guerin is affiliated with Mercy Medical Ctr.
When was this NPI record last updated?
The NPPES record for Erik Guerin was last updated on February 3, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.
# Erik R Guerin, CRNA, APRN · NPI 1447582242
Nurse Anesthetist, Certified Registered physician in East Hartford, Connecticut. Individual provider, active in the CMS NPPES registry since February 3, 2010.
## Identity
- **NPI:** 1447582242 (Entity type: Individual)
- **Enumerated:** February 3, 2010
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** 4302 (Connecticut)
- **Sole proprietor:** No
## Practice location
- **Address:** 99 EAST RIVER DRIVE, 5TH FLOOR, East Hartford, CT 06108
- **Phone:** (860) 282-4022 · **Fax:** (860) 282-0834
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Connecticut Gi PLLC (NPI 1023124625, Hartford, CT); Woodland Anesthesia Associates PC (NPI 1437109824, Hartford, CT); Anesthesia Associates Of Willimantic PC (NPI 1306905799, Willimantic, CT); Integrated Anesthesia Associates LLC (NPI 1881636397, Shelton, CT) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2012
## Record status
- **NPPES last updated:** February 3, 2010
---
Source: [NPI Profile](https://npiprofile.com/npi/1447582242) · Data from the CMS NPPES public registry.