MRS. MARYELLEN HORAN FNP
NPI 1346681640
Nurse Practitioner - Family in Norwalk, CT
About Mrs. Maryellen Horan Fnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MRS. MARYELLEN HORAN FNP (NPI 1346681640) is an individual family provider in Norwalk, Connecticut, licensed in New York (338127) and active in the NPI registry since July 2013. She is enrolled in Medicare PECOS and is a graduate of Other (2013).
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
Mrs. Maryellen Horan Fnp 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 Maryellen Horan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Danbury, CT 06810
- Reassigned Medicare billing, Connecticut enrollment
- 818 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 06850 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.
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 Maryellen Horan's NPI number?
The NPI number for Maryellen Horan is 1346681640. It was assigned to this individual provider in the NPPES registry on July 15, 2013.
Where is Maryellen Horan located?
Maryellen Horan practices at 34 Maple St, Norwalk, CT 06850. The listed phone number is (203) 852-2000.
What is Maryellen Horan's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Maryellen Horan enrolled in Medicare?
Yes. Maryellen Horan 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 Maryellen Horan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Maryellen Horan reassigns Medicare benefits to Nuvance Health Medical Practice Ct, Inc. (Danbury, 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 Maryellen Horan'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 Maryellen Horan was last updated on May 20, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.
# Mrs. Maryellen Horan, FNP · NPI 1346681640
Family physician in Norwalk, Connecticut. Individual provider, active in the CMS NPPES registry since July 15, 2013.
## Identity
- **NPI:** 1346681640 (Entity type: Individual)
- **Enumerated:** July 15, 2013
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 338127 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 34 MAPLE ST, Norwalk, CT 06850-3815
- **Phone:** (203) 852-2000
## 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:** Nuvance Health Medical Practice Ct, Inc. (NPI 1407898117, Danbury, CT), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2013
## Record status
- **NPPES last updated:** May 20, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1346681640) · Data from the CMS NPPES public registry.