DR. ALYSSA ANN DONNELLY M.D.
NPI 1497735799
Anesthesiology in Hartford, CT
About Dr. Alyssa Ann Donnelly M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ALYSSA ANN DONNELLY M.D. (NPI 1497735799) is an individual anesthesiology provider in Hartford, Connecticut, licensed in Connecticut (047392) and active in the NPI registry since January 2006. She is enrolled in Medicare PECOS, maintains a secondary practice location in Farmington, and is a graduate of Tulane University School Of Medicine (2001).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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
Dr. Alyssa Ann Donnelly M.d. 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 Alyssa Donnelly reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
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 4
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.
Other Providers at the Same Location NPPES 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Alyssa Donnelly's NPI number?
The NPI number for Alyssa Donnelly is 1497735799. It was assigned to this individual provider in the NPPES registry on January 20, 2006.
Where is Alyssa Donnelly located?
Alyssa Donnelly practices at 80 Seymour Street, Hartford, CT 06141. The listed phone number is (860) 545-2117.
What is Alyssa Donnelly's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Alyssa Donnelly enrolled in Medicare?
Yes. Alyssa Donnelly 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 Alyssa Donnelly's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alyssa Donnelly reassigns Medicare benefits to Integrated Anesthesia Associates LLC (Shelton, CT). 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 Alyssa Donnelly'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 Alyssa Donnelly was last updated on April 16, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Dr. Alyssa Ann Donnelly, M.D. · NPI 1497735799
Anesthesiology physician in Hartford, Connecticut. Individual provider, active in the CMS NPPES registry since January 20, 2006.
## Identity
- **NPI:** 1497735799 (Entity type: Individual)
- **Enumerated:** January 20, 2006
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** 047392 (Connecticut)
- **Sole proprietor:** No
## Practice location
- **Address:** 80 SEYMOUR STREET, Hartford, CT 06141
- **Phone:** (860) 545-2117 · **Fax:** (860) 545-1784
## 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:** Integrated Anesthesia Associates LLC (NPI 1881636397, Shelton, CT), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Tulane University School Of Medicine, class of 2001
## Record status
- **NPPES last updated:** April 16, 2021
---
Source: [NPI Profile](https://npiprofile.com/npi/1497735799) · Data from the CMS NPPES public registry.