MRS. SYDNEY DIANE MONAHAN ARNP
NPI 1770234494
Nurse Practitioner in Des Moines, IA
About Mrs. Sydney Diane Monahan Arnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MRS. SYDNEY DIANE MONAHAN ARNP (NPI 1770234494) is an individual nurse practitioner in Des Moines, Iowa, licensed in Iowa (A164054) and active in the NPI registry since January 2022. She is enrolled in Medicare PECOS, is affiliated with Mercyone Des Moines Medical Center, and is a graduate of Other (2021).
NPPES Registry Identity
Specialties & Licenses 2
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
Mrs. Sydney Diane Monahan Arnp 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 Sydney Monahan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Des Moines, IA 50314
- Reassigned Medicare billing, Iowa enrollment
- 516 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 4
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mercyone Des Moines Medical Center
Acute Care Hospitals · Des Moines, IAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 50314 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.
DES MOINES, IA 50314
DES MOINES, IA 50314
DES MOINES, IA 50314
DES MOINES, IA 50314
DES MOINES, IA 50314
DES MOINES, IA 50314
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 Sydney Monahan's NPI number?
The NPI number for Sydney Monahan is 1770234494. It was assigned to this individual provider in the NPPES registry on January 13, 2022.
Where is Sydney Monahan located?
Sydney Monahan practices at 411 Laurel St Ste A120, Des Moines, IA 50314. The listed phone number is (515) 643-7900.
What is Sydney Monahan's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Sydney Monahan enrolled in Medicare?
Yes. Sydney Monahan 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 Sydney Monahan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sydney Monahan reassigns Medicare benefits to Mercy Clinics, Inc (Des Moines, 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 Sydney Monahan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Sydney Monahan accept?
Health plans from Ambetter Health, Ambetter from Sunflower Health Plan, Medica, Oscar Health and Oscar Insurance Company and 2 other insurers list Sydney Monahan 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 Sydney Monahan affiliated with any hospitals?
According to CMS data, Sydney Monahan is affiliated with Mercyone Des Moines Medical Center.
When was this NPI record last updated?
The NPPES record for Sydney Monahan was last updated on August 30, 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.
# Mrs. Sydney Diane Monahan, ARNP · NPI 1770234494
Nurse Practitioner physician in Des Moines, Iowa. Individual provider, active in the CMS NPPES registry since January 13, 2022.
## Identity
- **NPI:** 1770234494 (Entity type: Individual)
- **Enumerated:** January 13, 2022
- **Primary specialty:** Nurse Practitioner · taxonomy 363L00000X
- **State license:** A164054 (Iowa)
- **Sole proprietor:** No
## Practice location
- **Address:** 411 LAUREL ST STE A120, Des Moines, IA 50314-3027
- **Phone:** (515) 643-7900 · **Fax:** (515) 643-7901
## 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:** Mercy Clinics, Inc (NPI 1053651448, Des Moines, IA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2021
## Record status
- **NPPES last updated:** August 30, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1770234494) · Data from the CMS NPPES public registry.