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SARAH ELIZABETH CLARK ARNP, PMHNP-BC
NPI 1598521098
Nurse Practitioner - Psychiatric/Mental Health in Ankeny, IA

Active since February 23, 2024PECOS EnrolledAccepts Medicare Assignment
800 E 1ST ST STE 1700, ANKENY, IA 50021(515) 643-8350(515) 643-5824 Get Directions Write a Review

NPPES record last updated: April 24, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Apr 24, 2026, Apr 16, 2026, Oct 4, 2024 and 1 more (4 updates tracked since 2024).

About Sarah Elizabeth Clark Arnp, Pmhnp-bc NPPES

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

SARAH ELIZABETH CLARK ARNP, PMHNP-BC (NPI 1598521098) is an individual psychiatric/mental health provider in Ankeny, Iowa, licensed in Iowa (G188915) and active in the NPI registry since February 2024. She is enrolled in Medicare PECOS, is affiliated with Mercyone Des Moines Medical Center, and is a graduate of Other (2024).

NPPES Registry Identity

NPI1598521098
Entity TypeIndividualFemale
Primary Taxonomy363LP0808X
Provider Legal NameSARAH ELIZABETH CLARKCredential: ARNP, PMHNP-BC
Location Address800 E 1ST ST STE 1700Ankeny, IA 50021-2100
Mailing AddressPo Box 674721Dallas, TX 75267-4721 · (515) 643-2519 · Fax (515) 643-5824
Phone(515) 643-8350
Fax(515) 643-5824
Sole ProprietorNo
Medical School CMSOtherGraduated 2024
Enumeration DateFebruary 23, 2024
Last NPPES UpdateApril 24, 20264 updates tracked since enumeration
NPPES CertifiedApril 24, 2026
✔ NPI 1598521098 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
License✔ Licensed in IA · G188915
Also ListedRegistered Nurse · Psychiatric/Mental HealthTaxonomy 163WP0808X · License RN.161637 (IA)
800 E 1ST ST STE 1700, Ankeny, IA 50021
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from NH Healthy Families, Ambetter from Sunflower Health Plan, Ambetter Health 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

Sarah Elizabeth Clark Arnp, Pmhnp-bc 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 ID5799218616
PECOS Enrollment IDI20260416000642
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 Reassignments

2

Medicare enrollment records show Sarah Clark reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Mercy Clinics, Inc
Same address
Primary Care
800 E 1ST ST STE 1700
Ankeny, IA 50021
  • Reassigned Medicare billing, Iowa enrollment
  • 516 clinicians in this Medicare group
NPI 1114943628 (515) 643-8100
Mary Greeley Medical Center
20 mi
Mental Health (Including Community Mental Health Center)
124 S HAZEL AVE
Ames, IA 50010
  • Reassigned Medicare billing, Iowa enrollment
  • 42 clinicians in this Medicare group
NPI 1518617570 (515) 239-6747

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

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, IA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number160083
Location1111 6th AveDes Moines, IA 50314 · Polk County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 50021 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
$81.84 typical visit price
range $52.96 – $161.40
Typical copayment $20.46 (range $13.24 – $40.35)
Most-billed visit code 99203
Established Patient
$94.05 typical visit price
range $16.91 – $131.98
Typical copayment $23.51 (range $4.22 – $32.99)
Most-billed visit code 99214
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 12

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

MERCY CLINICS, INC
Clinic/Center (Primary Care)
800 E 1ST ST STE 1700
ANKENY, IA 50021
Polk County (515) 643-8100
TAYLOR SANDERS DO
Internal Medicine
800 E 1ST ST STE 1700
ANKENY, IA 50021
Polk County (515) 643-8100
GEORGE M GURA DO
Internal Medicine
800 E 1ST ST STE 1700
ANKENY, IA 50021
Polk County (515) 643-8100
WILLIAM TRENT PETERSON MD
Family Medicine
800 E 1ST ST STE 1700
ANKENY, IA 50021
Polk County (515) 643-8100
AMNA TANWEER DO
Internal Medicine
800 E 1ST ST STE 1700
ANKENY, IA 50021
Polk County (515) 643-8100
GREGORY JAMES CLARK MD
Internal Medicine
800 E 1ST ST STE 1700
ANKENY, IA 50021
Polk County (515) 643-8100
LAURA ABELS DO
Family Medicine
800 E 1ST ST STE 1700
ANKENY, IA 50021
Polk County (515) 643-8100
SHIKA MUKKAMALA DO
Internal Medicine
800 E 1ST ST STE 1700
ANKENY, IA 50021
Polk County (515) 643-8100

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 Sarah Clark's NPI number?

The NPI number for Sarah Clark is 1598521098. It was assigned to this individual provider in the NPPES registry on February 23, 2024.

Where is Sarah Clark located?

Sarah Clark practices at 800 E 1st St Ste 1700, Ankeny, IA 50021. The listed phone number is (515) 643-8350.

What is Sarah Clark's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

Is Sarah Clark enrolled in Medicare?

Yes. Sarah Clark 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 Sarah Clark's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sarah Clark reassigns Medicare benefits to 2 organizations: Mercy Clinics, Inc (Ankeny, IA) and Mary Greeley Medical Center (Ames, 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 Sarah Clark's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Sarah Clark accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from NH Healthy Families, Ambetter from Sunflower Health Plan and Oscar Health and 4 other insurers list Sarah Clark 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 Sarah Clark affiliated with any hospitals?

According to CMS data, Sarah Clark is affiliated with Mercyone Des Moines Medical Center.

When was this NPI record last updated?

The NPPES record for Sarah Clark was last updated on April 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.