ANDREA A LEACH
NPI 1881385979
Nurse Practitioner - Family in Naugatuck, CT
About Andrea A Leach NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ANDREA A LEACH (NPI 1881385979) is an individual family provider in Naugatuck, Connecticut, licensed in Connecticut (87196) and active in the NPI registry since May 2023. She is enrolled in Medicare PECOS, maintains a secondary practice location in Carmel, and is a graduate of Other (2018).
NPPES Registry Identity
Specialties & Licenses 2
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
Andrea A Leach 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
2Medicare enrollment records show Andrea Leach reassigns Medicare billing to 2 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
- 19 clinicians in this Medicare group
Mount Kisco, NY 10549
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Optum Medical Care PC
- 1,601 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 06770 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.
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 Andrea Leach's NPI number?
The NPI number for Andrea Leach is 1881385979. It was assigned to this individual provider in the NPPES registry on May 18, 2023.
Where is Andrea Leach located?
Andrea Leach practices at 58 Maple St, Naugatuck, CT 06770. The listed phone number is (203) 729-0775.
What is Andrea Leach's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Andrea Leach enrolled in Medicare?
Yes. Andrea Leach 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 Andrea Leach's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Andrea Leach reassigns Medicare benefits to 2 organizations: Trinity Health Of New England Urgent Care PLLC (Waterbury, CT) and Optum Medical Care, P.C. (Mount Kisco, NY). 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 Andrea Leach'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 Andrea Leach was last updated on February 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# Andrea A Leach · NPI 1881385979
Family physician in Naugatuck, Connecticut. Individual provider, active in the CMS NPPES registry since May 18, 2023.
## Identity
- **NPI:** 1881385979 (Entity type: Individual)
- **Enumerated:** May 18, 2023
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 87196 (Connecticut)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 58 MAPLE ST, Naugatuck, CT 06770-4160
- **Phone:** (203) 729-0775
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Trinity Health Of New England Urgent Care PLLC (NPI 1447867452, Waterbury, CT); Optum Medical Care, P.C. (NPI 1982643003, Mount Kisco, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2018
## Record status
- **NPPES last updated:** February 27, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1881385979) · Data from the CMS NPPES public registry.