MARY ELIZABETH BROWN FNP-C
NPI 1811482318
Nurse Practitioner - Family in Rock Valley, IA
About Mary Elizabeth Brown Fnp-c NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARY ELIZABETH BROWN FNP-C (NPI 1811482318) is an individual family provider in Rock Valley, Iowa, licensed in Iowa (A151610) and active in the NPI registry since June 2018. She is enrolled in Medicare PECOS, is affiliated with Hegg Memorial Health Center, and is a graduate of Other (2018).
NPPES Registry Identity
Specialties & Licenses
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
Mary Elizabeth Brown Fnp-c 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 Mary Brown reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Rock Valley, IA 51247
- Reassigned Medicare billing, Iowa enrollment
- 90 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.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Hegg Memorial Health Center
Critical Access Hospitals · Rock Valley, IASioux Center Health
Critical Access Hospitals · Sioux Center, IAAvera Mckennan Hospital & University Health Center
Acute Care Hospitals · Sioux Falls, SDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 51247 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 12
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
ROCK VALLEY, IA 51247
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 Mary Brown's NPI number?
The NPI number for Mary Brown is 1811482318. It was assigned to this individual provider in the NPPES registry on June 27, 2018.
Where is Mary Brown located?
Mary Brown practices at 1202 21st Ave, Rock Valley, IA 51247. The listed phone number is (712) 476-8000.
What is Mary Brown's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Mary Brown enrolled in Medicare?
Yes. Mary Brown 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 Mary Brown's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mary Brown reassigns Medicare benefits to Hegg Memorial Hospital (Rock Valley, IA). 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 Mary Brown's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mary Brown accept?
Health plans from Ambetter Health, Ambetter from Sunflower Health Plan, Avera Health Plans, Medica and Oscar Insurance Company and 1 other insurer list Mary Brown 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 Mary Brown affiliated with any hospitals?
According to CMS data, Mary Brown is affiliated with Hegg Memorial Health Center, Sioux Center Health and Avera Mckennan Hospital & University Health Center.
When was this NPI record last updated?
The NPPES record for Mary Brown was last updated on June 27, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# Mary Elizabeth Brown, FNP-C · NPI 1811482318
Family physician in Rock Valley, Iowa. Individual provider, active in the CMS NPPES registry since June 27, 2018.
## Identity
- **NPI:** 1811482318 (Entity type: Individual)
- **Enumerated:** June 27, 2018
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** A151610 (Iowa)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1202 21ST AVE, Rock Valley, IA 51247-1420
- **Phone:** (712) 476-8000 · **Fax:** (712) 476-8064
## 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:** Hegg Memorial Hospital (NPI 1629023429, Rock Valley, IA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2018
## Record status
- **NPPES last updated:** June 27, 2018
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Source: [NPI Profile](https://npiprofile.com/npi/1811482318) · Data from the CMS NPPES public registry.