DR. ALLISON SADOWSKI MD
NPI 1396241923
Pediatrics - Neonatal-Perinatal Medicine in Hartford, CT
About Dr. Allison Sadowski Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ALLISON SADOWSKI MD (NPI 1396241923) is an individual neonatal-perinatal medicine provider in Hartford, Connecticut, licensed in Connecticut (69117) and active in the NPI registry since April 2018. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 3
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Allison Sadowski Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
3Medicare enrollment records show Allison Sadowski reassigns Medicare billing to 3 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
- 601 clinicians in this Medicare group
Hartford, CT 06106
- Reassigned Medicare billing, Connecticut enrollment
- 1,921 clinicians in this Medicare group
Manchester, CT 06040
- Reassigned Medicare billing, Connecticut enrollment
- 422 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.
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.
HARTFORD, CT 06106
HARTFORD, CT 06106
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 Allison Sadowski's NPI number?
The NPI number for Allison Sadowski is 1396241923. It was assigned to this individual provider in the NPPES registry on April 3, 2018.
Where is Allison Sadowski located?
Allison Sadowski practices at 282 Washington St, Hartford, CT 06106. The listed phone number is (860) 545-9000.
What is Allison Sadowski's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Neonatal-Perinatal Medicine, with taxonomy code 2080N0001X.
Is Allison Sadowski enrolled in Medicare?
Yes. Allison Sadowski is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Allison Sadowski's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Allison Sadowski reassigns Medicare benefits to 3 organizations: Connecticut Children's Specialty Group, Inc. (Hartford, CT), Hartford Healthcare Medical Group Specialists, PLLC (Hartford, CT) and Prospect Ct Medical Foundation, Inc. (Manchester, 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 Allison Sadowski's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Allison Sadowski accept?
Health plans from Anthem Blue Cross and Blue Shield list Allison Sadowski 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.
When was this NPI record last updated?
The NPPES record for Allison Sadowski was last updated on July 9, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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. Allison Sadowski, MD · NPI 1396241923
Neonatal-Perinatal Medicine physician in Hartford, Connecticut. Individual provider, active in the CMS NPPES registry since April 3, 2018.
## Identity
- **NPI:** 1396241923 (Entity type: Individual)
- **Enumerated:** April 3, 2018
- **Primary specialty:** Pediatrics - Neonatal-Perinatal Medicine · taxonomy 2080N0001X
- **State license:** 69117 (Connecticut)
- **Sole proprietor:** No
## Practice location
- **Address:** 282 WASHINGTON ST, Hartford, CT 06106-3322
- **Phone:** (860) 545-9000
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **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): Connecticut Children's Specialty Group, Inc. (NPI 1669448882, Hartford, CT); Hartford Healthcare Medical Group Specialists, PLLC (NPI 1023584216, Hartford, CT); Prospect Ct Medical Foundation, Inc. (NPI 1144677568, Manchester, CT) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** July 9, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1396241923) · Data from the CMS NPPES public registry.