MEGAN O'BRIEN
NPI 1760038509
Nurse Practitioner - Family in Marion, IA
About Megan O'brien NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MEGAN O'BRIEN (NPI 1760038509) is an individual family provider in Marion, Iowa, licensed in Iowa (A155600) and active in the NPI registry since August 2019. She is enrolled in Medicare PECOS, is affiliated with St Lukes Hospital, and maintains a secondary practice location in Cedar Rapids.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 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
Megan O'brien 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 Megan O'brien reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Marion, IA 52302
- Reassigned Medicare billing, Iowa enrollment
- 108 clinicians in this Medicare group
Cedar Rapids, IA 52402
- Reassigned Medicare billing, Iowa enrollment
- 60 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 10
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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
St Lukes Hospital
Acute Care Hospitals · Cedar Rapids, IAMercy Medical Center - Cedar Rapids
Acute Care Hospitals · Cedar Rapids, IAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 52302 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 17
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 Megan O'brien's NPI number?
The NPI number for Megan O'brien is 1760038509. It was assigned to this individual provider in the NPPES registry on August 16, 2019.
Where is Megan O'brien located?
Megan O'brien practices at 3701 Katz Dr, Marion, IA 52302. The listed phone number is (319) 377-9443.
What is Megan O'brien's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Megan O'brien enrolled in Medicare?
Yes. Megan O'brien 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 Megan O'brien's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Megan O'brien reassigns Medicare benefits to 2 organizations: Mercy Physician Associates, Inc (Marion, IA) and Mercy Care Management, Inc (Cedar Rapids, IA). 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 Megan O'brien's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Megan O'brien accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from NH Healthy Families, Ambetter from Sunflower Health Plan and Wellmark Health Plan of Iowa, Inc. list Megan O'brien 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.
Is Megan O'brien affiliated with any hospitals?
According to CMS data, Megan O'brien is affiliated with St Lukes Hospital and Mercy Medical Center - Cedar Rapids.
When was this NPI record last updated?
The NPPES record for Megan O'brien was last updated on January 29, 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.
# Megan O'brien · NPI 1760038509
Family physician in Marion, Iowa. Individual provider, active in the CMS NPPES registry since August 16, 2019.
## Identity
- **NPI:** 1760038509 (Entity type: Individual)
- **Enumerated:** August 16, 2019
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** A155600 (Iowa)
- **Sole proprietor:** No
## Practice location
- **Address:** 3701 KATZ DR, Marion, IA 52302-3871
- **Phone:** (319) 377-9443
## 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): Mercy Physician Associates, Inc (NPI 1538365069, Marion, IA); Mercy Care Management, Inc (NPI 1467659268, Cedar Rapids, IA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2019
## Record status
- **NPPES last updated:** January 29, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1760038509) · Data from the CMS NPPES public registry.