MEGHAN DONNA RYAN NNP-BC
NPI 1851611297
Nurse Practitioner - Neonatal in Greenwich, CT
About Meghan Donna Ryan Nnp-bc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MEGHAN DONNA RYAN NNP-BC (NPI 1851611297) is an individual neonatal provider in Greenwich, Connecticut, licensed in Connecticut (5710) and active in the NPI registry since June 2010. She is enrolled in Medicare PECOS and is a graduate of Other (2010).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
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
Meghan Donna Ryan Nnp-bc 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 Meghan Ryan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
New Haven, CT 06519
- Reassigned Medicare billing, Connecticut enrollment
- 3,728 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 06830 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.
GREENWICH, CT 06830
GREENWICH, CT 06830
GREENWICH, CT 06830
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 Meghan Ryan's NPI number?
The NPI number for Meghan Ryan is 1851611297. It was assigned to this individual provider in the NPPES registry on June 8, 2010. The provider is also known as Meghan Fleming Nnp.
Where is Meghan Ryan located?
Meghan Ryan practices at 5 Perryridge Rd, Greenwich, CT 06830. The listed phone number is (203) 863-3513.
What is Meghan Ryan's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Neonatal, with taxonomy code 363LN0000X.
Is Meghan Ryan enrolled in Medicare?
Yes. Meghan Ryan 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 Meghan Ryan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Meghan Ryan reassigns Medicare benefits to Yale University (New Haven, 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 Meghan Ryan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Meghan Ryan accept?
Health plans from Anthem Blue Cross and Blue Shield list Meghan Ryan 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 Meghan Ryan was last updated on January 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.
# Meghan Donna Ryan, NNP-BC · NPI 1851611297
Neonatal physician in Greenwich, Connecticut. Individual provider, active in the CMS NPPES registry since June 8, 2010.
## Identity
- **NPI:** 1851611297 (Entity type: Individual)
- **Enumerated:** June 8, 2010
- **Primary specialty:** Nurse Practitioner - Neonatal · taxonomy 363LN0000X
- **State license:** 5710 (Connecticut)
- **Sole proprietor:** No
## Practice location
- **Address:** 5 PERRYRIDGE RD, Greenwich, CT 06830-4608
- **Phone:** (203) 863-3513
## 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:** Yale University (NPI 1124148887, New Haven, CT), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2010
## Record status
- **NPPES last updated:** January 15, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1851611297) · Data from the CMS NPPES public registry.