1. Home
  2. Directory
  3. Iowa
  4. West Des Moines
  5. Obstetrics Gynecology
  6. NPI Profile

NEIL MANDSAGER MD
NPI 1164513560
Obstetrics & Gynecology - Maternal & Fetal Medicine in West Des Moines, IA

Active since September 28, 2006PECOS EnrolledAccepts Medicare Assignment
5901 WESTOWN PKWY STE 225, WEST DES MOINES, IA 50266(515) 643-6888(515) 643-6899 Get Directions Write a Review

NPPES record last updated: February 21, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Neil Mandsager Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

NEIL MANDSAGER MD (NPI 1164513560) is an individual maternal & fetal medicine provider in West Des Moines, Iowa, licensed in Iowa (MD-23788) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS and is a graduate of University Of Iowa, Rj & L Carver College Of Medicine (1982).

NPPES Registry Identity

NPI1164513560
Entity TypeIndividualMale
Primary Taxonomy207VM0101X
Provider Legal NameNEIL MANDSAGERCredential: MD
Location Address5901 WESTOWN PKWY STE 225West Des Moines, IA 50266-8297
Mailing AddressPo Box 1475Des Moines, IA 50305-1475 · (515) 643-6888 · Fax (515) 643-6899
Phone(515) 643-6888
Fax(515) 643-6899
Sole ProprietorNo
Medical School CMSUniversity Of Iowa, Rj & L Carver College Of MedicineGraduated 1982
Enumeration DateSeptember 28, 2006
Last NPPES UpdateFebruary 21, 2024
NPPES CertifiedFebruary 21, 2024
✔ NPI 1164513560 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & Gynecology · Maternal & Fetal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207VM0101X
License✔ Licensed in IA · MD-23788
Definition
An obstetrician/gynecologist who cares for, or provides consultation on, patients with complications of pregnancy. This specialist has advanced knowledge of the obstetrical, medical and surgical complications of pregnancy and their effect on both the mother and the fetus. The specialist also possesses expertise in the most current diagnostic and treatment modalities used in the care of patients with complicated pregnancies.
5901 WESTOWN PKWY STE 225, West Des Moines, IA 50266
Open in Google Maps ↗

Other Identifiers 2

Other36604IA · Wellmark
Medicaid4096735IA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Health, Oscar Insurance Company, Sanford Health Plan and more.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

Neil Mandsager Md 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.

PECOS PAC ID4183612849
PECOS Enrollment IDI20040503001156
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Neil Mandsager reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Mercy Clinics, Inc
Same address
Maternal & Fetal Medicine
5901 WESTOWN PKWY STE 225
West Des Moines, IA 50266
  • Reassigned Medicare billing, Iowa enrollment
  • 516 clinicians in this Medicare group
NPI 1699015503 (515) 643-6888

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 50266 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$122.23 typical visit price
range $52.96 – $161.40
Typical copayment $30.55 (range $13.24 – $40.35)
Most-billed visit code 99204
Established Patient
$66.36 typical visit price
range $16.91 – $131.98
Typical copayment $16.59 (range $4.22 – $32.99)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 6

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. JONA MARIE CONKLIN MD
Obstetrics & Gynecology (Obstetrics)
5901 WESTOWN PKWY STE 225
WEST DES MOINES, IA 50266
Dallas County (515) 643-6888
DR. VUONG ANH NAYIMA DO
Allergy & Immunology
5901 WESTOWN PKWY STE 225
WEST DES MOINES, IA 50266
Dallas County (515) 410-9400
AMIE DAWES PA
Physician Assistant
5901 WESTOWN PKWY STE 225
WEST DES MOINES, IA 50266
Dallas County (515) 643-6888
DR. JASON LEWIS PICCONI M.D., PH.D.
Obstetrics & Gynecology (Maternal & Fetal Medicine)
5901 WESTOWN PKWY STE 225
WEST DES MOINES, IA 50266
Dallas County (515) 643-6888
MERCY CLINICS, INC
Obstetrics & Gynecology (Maternal & Fetal Medicine)
5901 WESTOWN PKWY STE 225
WEST DES MOINES, IA 50266
Dallas County (515) 643-6888
PATRICK THOMPSON
Nurse Practitioner (Family)
5901 WESTOWN PKWY STE 225
WEST DES MOINES, IA 50266
Dallas County (515) 410-9400

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 Neil Mandsager's NPI number?

The NPI number for Neil Mandsager is 1164513560. It was assigned to this individual provider in the NPPES registry on September 28, 2006.

Where is Neil Mandsager located?

Neil Mandsager practices at 5901 Westown Pkwy Ste 225, West Des Moines, IA 50266. The listed phone number is (515) 643-6888.

What is Neil Mandsager's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Maternal & Fetal Medicine, with taxonomy code 207VM0101X.

Is Neil Mandsager enrolled in Medicare?

Yes. Neil Mandsager 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 Neil Mandsager's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Neil Mandsager reassigns Medicare benefits to Mercy Clinics, Inc (West 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 Neil Mandsager's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Neil Mandsager accept?

Health plans from Oscar Health, Oscar Insurance Company, Sanford Health Plan and Wellmark Health Plan of Iowa, Inc. list Neil Mandsager 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 Neil Mandsager was last updated on February 21, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.