DR. STEVEN I ARONIN MD
NPI 1164495875
Internal Medicine - Infectious Disease in Waterbury, CT
About Dr. Steven I Aronin Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. STEVEN I ARONIN MD (NPI 1164495875) is an individual infectious disease provider in Waterbury, Connecticut, licensed in Connecticut (033992) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1991).
NPPES Registry Identity
Specialties & Licenses
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
Dr. Steven I Aronin Md 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
5Medicare enrollment records show Steven Aronin reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Waterbury, CT 06708
- Reassigned Medicare billing, Connecticut enrollment
- 152 clinicians in this Medicare group
Waterbury, CT 06702
- Reassigned Medicare billing, Connecticut enrollment
- 97 clinicians in this Medicare group
New Britain, CT 06052
- Reassigned Medicare billing, Connecticut enrollment
- 745 clinicians in this Medicare group
Hartford, CT 06105
- Reassigned Medicare billing, Connecticut enrollment
- 1,186 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.
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 06708 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.
WATERBURY, CT 06708
WATERBURY, CT 06708
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 Steven Aronin's NPI number?
The NPI number for Steven Aronin is 1164495875. It was assigned to this individual provider in the NPPES registry on February 12, 2006.
Where is Steven Aronin located?
Steven Aronin practices at 140 Grandview Ave Suite L01, Waterbury, CT 06708. The listed phone number is (203) 574-4187.
What is Steven Aronin's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.
Is Steven Aronin enrolled in Medicare?
Yes. Steven Aronin 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 Steven Aronin's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Steven Aronin reassigns Medicare benefits to 5 organizations: Uconn Health Community Network Medical Group, Inc. (Waterbury, CT), Staywell Health Care, Inc. (Waterbury, CT), The Hospital Of Central Connecticut At New Britain General And Bradley (New Britain, CT), Trinity Health Of New England Provider Network Organization Inc (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 Steven Aronin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Steven Aronin accept?
Health plans from Anthem Blue Cross and Blue Shield list Steven Aronin 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 Steven Aronin 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.
# Dr. Steven I Aronin, MD · NPI 1164495875
Infectious Disease physician in Waterbury, Connecticut. Individual provider, active in the CMS NPPES registry since February 12, 2006.
## Identity
- **NPI:** 1164495875 (Entity type: Individual)
- **Enumerated:** February 12, 2006
- **Primary specialty:** Internal Medicine - Infectious Disease · taxonomy 207RI0200X
- **State license:** 033992 (Connecticut)
- **Sole proprietor:** No
## Practice location
- **Address:** 140 GRANDVIEW AVE, SUITE L01, Waterbury, CT 06708-2505
- **Phone:** (203) 574-4187 · **Fax:** (203) 591-1453
## 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:** 5 organizations under Medicare reassignment (form CMS-855R): Uconn Health Community Network Medical Group, Inc. (NPI 1548119522, Waterbury, CT); Staywell Health Care, Inc. (NPI 1154342335, Waterbury, CT); The Hospital Of Central Connecticut At New Britain General And Bradley (NPI 1053477075, New Britain, CT); Trinity Health Of New England Provider Network Organization Inc (NPI 1003882812, Hartford, CT); Prospect Ct Medical Foundation, Inc. (NPI 1144677568, Manchester, CT) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1991
## Record status
- **NPPES last updated:** July 13, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1164495875) · Data from the CMS NPPES public registry.