EMILY L MAASS APRN
NPI 1659925600
Nurse Practitioner in Red Oak, IA
About Emily L Maass Aprn NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
EMILY L MAASS APRN (NPI 1659925600) is an individual nurse practitioner in Red Oak, Iowa, licensed in Iowa (A155593) and active in the NPI registry since July 2019. She is enrolled in Medicare PECOS, is affiliated with Montgomery County Memorial Hospital, and is a graduate of Other (2019).
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
Emily L Maass Aprn 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 Emily Maass reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Red Oak, IA 51566
- Reassigned Medicare billing, Iowa enrollment
- Also billed through NPI 1265405310 (Iowa)
- 67 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 2
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.
Montgomery County Memorial Hospital
Critical Access Hospitals · Red Oak, IAShenandoah Medical Center
Critical Access Hospitals · Shenandoah, IAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 51566 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.
Referred Medical Equipment & Supplies CMS DME claims 3
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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 Emily Maass's NPI number?
The NPI number for Emily Maass is 1659925600. It was assigned to this individual provider in the NPPES registry on July 29, 2019. The provider is also known as Emily L Seifert.
Where is Emily Maass located?
Emily Maass practices at 2301 Eastern Ave, Red Oak, IA 51566. The listed phone number is (712) 623-7280.
What is Emily Maass's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Emily Maass enrolled in Medicare?
Yes. Emily Maass 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 Emily Maass's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Emily Maass reassigns Medicare benefits to Montgomery County Memorial Hospital (Red Oak, 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 Emily Maass's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Emily Maass accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from NH Healthy Families, Ambetter from Sunflower Health Plan and Oscar Insurance Company and 2 other insurers list Emily Maass 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 Emily Maass affiliated with any hospitals?
According to CMS data, Emily Maass is affiliated with Montgomery County Memorial Hospital and Shenandoah Medical Center.
When was this NPI record last updated?
The NPPES record for Emily Maass was last updated on August 31, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Emily L Maass, APRN · NPI 1659925600
Nurse Practitioner physician in Red Oak, Iowa. Individual provider, active in the CMS NPPES registry since July 29, 2019.
## Identity
- **NPI:** 1659925600 (Entity type: Individual)
- **Enumerated:** July 29, 2019
- **Primary specialty:** Nurse Practitioner · taxonomy 363L00000X
- **State license:** A155593 (Iowa)
- **Sole proprietor:** No
## Practice location
- **Address:** 2301 EASTERN AVE, Red Oak, IA 51566-1305
- **Phone:** (712) 623-7280 · **Fax:** (712) 623-7279
## 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:** Montgomery County Memorial Hospital (NPI 1376539338, Red Oak, IA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2019
## Record status
- **NPPES last updated:** August 31, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1659925600) · Data from the CMS NPPES public registry.