MAUREEN RYAN NP
NPI 1821083239
Nurse Practitioner - Family in Grand Rapids, MI
About Maureen Ryan Np NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MAUREEN RYAN NP (NPI 1821083239) is an individual family provider in Grand Rapids, Michigan, licensed in Michigan (4704130210) and active in the NPI registry since September 2005. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 5
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)
Maureen Ryan Np is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Maureen Ryan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Grand Rapids, MI 49548
- Reassigned Medicare billing, Michigan enrollment
- 56 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 49548 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 11
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
GRAND RAPIDS, MI 49548
GRAND RAPIDS, MI 49548
GRAND RAPIDS, MI 49548
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 Maureen Ryan's NPI number?
The NPI number for Maureen Ryan is 1821083239. It was assigned to this individual provider in the NPPES registry on September 13, 2005.
Where is Maureen Ryan located?
Maureen Ryan practices at 436 44th St SE, Grand Rapids, MI 49548. The listed phone number is (616) 531-9750.
What is Maureen Ryan's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Maureen Ryan enrolled in Medicare?
Yes. Maureen Ryan is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Maureen Ryan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Maureen Ryan reassigns Medicare benefits to American Current Care Of Michigan PC (Grand Rapids, MI). 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 Maureen Ryan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Maureen Ryan accept?
Health plans from Oscar Health, Oscar Health Insurance, Oscar Health Maintenance Organization of Florida, Oscar Health Plan of North Carolina, Inc and Oscar Health Plan, Inc. and 2 other insurers list Maureen 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 Maureen Ryan was last updated on November 28, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.
# Maureen Ryan, NP · NPI 1821083239
Family physician in Grand Rapids, Michigan. Individual provider, active in the CMS NPPES registry since September 13, 2005.
## Identity
- **NPI:** 1821083239 (Entity type: Individual)
- **Enumerated:** September 13, 2005
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 4704130210 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 436 44TH ST SE, Grand Rapids, MI 49548-4371
- **Phone:** (616) 531-9750
## 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:** American Current Care Of Michigan PC (NPI 1659562262, Grand Rapids, MI), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** November 28, 2011
- **Other identifiers:** Other MR130210 (MI); Other 500028470 (MI); Medicare UPIN S81512 (MI); and 2 more
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Source: [NPI Profile](https://npiprofile.com/npi/1821083239) · Data from the CMS NPPES public registry.