CHRISTOPHER RYAN FOSTER AGACNP-BC, ARNP
NPI 1861201162
Nurse Practitioner - Acute Care in Ames, IA

Q: What is Christopher Foster's NPI number?

The NPI number for Christopher Foster is 1861201162. It was assigned to this individual provider in the NPPES registry on January 2, 2025.

Q: What is Christopher Foster's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.

Active since January 02, 2025PECOS Enrolled

1816 PHILADELPHIA ST, AMES, IA 50010(515) 232-2500(515) 246-4479 Get Directions Write a Review

NPPES record last updated: May 21, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: May 21, 2025, Feb 17, 2025, Jan 2, 2025 (3 updates tracked since 2025).

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About Christopher Ryan Foster Agacnp-bc, Arnp NPPES

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

CHRISTOPHER RYAN FOSTER AGACNP-BC, ARNP (NPI 1861201162) is an individual acute care provider in Ames, Iowa, licensed in Iowa (H182651) and active in the NPI registry since January 2025. He is enrolled in Medicare PECOS, is affiliated with Trinity Regional Medical Center, and maintains a secondary practice location in Des Moines.

NPPES Registry Identity

NPI1861201162

Entity TypeIndividualMale

Primary Taxonomy363LA2100X

Provider Legal NameCHRISTOPHER RYAN FOSTERCredential: AGACNP-BC, ARNP

Location Address1816 PHILADELPHIA STAmes, IA 50010-8771

Mailing AddressPo Box 9170Des Moines, IA 50306-9170 · (515) 633-3600 · Fax (515) 633-3838

Phone(515) 232-2500

Fax(515) 246-4479

Sole ProprietorNo

Medical School CMSOtherGraduated 2024

Enumeration DateJanuary 2, 2025

Last NPPES UpdateMay 21, 20253 updates tracked since enumeration

NPPES CertifiedMay 21, 2025

✔ NPI 1861201162 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Acute CarePhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LA2100X

License✔ Licensed in IA · H182651

1816 PHILADELPHIA ST, Ames, IA 50010

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Secondary Practice Location 1

Location 11111 6th AveDes Moines, IA 50314-2613 · Phone (515) 633-3600

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 (PECOS)

Christopher Ryan Foster Agacnp-bc, Arnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID1355851130

PECOS Enrollment IDI20250610003635

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

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

Hamilton County Public Hospital

19 mi

Rural Health

731 MAIN ST
Jewell, IA 50130

Reassigned Medicare billing, Iowa enrollment
Also billed through NPI 1497957351 (Iowa)
71 clinicians in this Medicare group

NPI 1851308423 (515) 827-6175

Catholic Health Initiatives Iowa Corp

30 mi

Medical Specialty

1111 6TH AVE, WEST 1
Des Moines, IA 50314

Reassigned Medicare billing, Iowa enrollment
133 clinicians in this Medicare group

NPI 1417094541 (515) 643-0850

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 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Trinity Regional Medical Center

Acute Care Hospitals · Fort Dodge, IA

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number160016

Location802 Kenyon RdFort Dodge, IA 50501 · Webster County

Emergency services Birthing friendly

Mary Greeley Medical Center

Acute Care Hospitals · Ames, IA

4/5 CMS rating

OwnershipGovernment - Local

CMS Certification Number160030

Location1111 Duff AvenueAmes, IA 50010 · Story County

Emergency services Birthing friendly

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

Van Diest Medical Center

Critical Access Hospitals · Webster City, IA

5/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number161361

Location2350 Hospital DriveWebster City, IA 50595 · Hamilton County

Emergency services

Boone County Hospital

Critical Access Hospitals · Boone, IA

OwnershipGovernment - Local

CMS Certification Number161372

Location1015 Union StreetBoone, IA 50036 · Boone County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 50010 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 10

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

JENNIFER K BRITTEN A.R.N.P.

Nurse Practitioner

1816 PHILADELPHIA ST
AMES, IA 50010

Story County (515) 232-2500

RAKSHAK SARDA MD

Internal Medicine (Cardiovascular Disease)

1816 PHILADELPHIA ST
AMES, IA 50010

Story County (515) 232-2500

PATRICIA J. ALDRICH A.R.N.P.

Nurse Practitioner

1816 PHILADELPHIA ST
AMES, IA 50010

Story County (515) 232-2500

HEALTHY HEART SLEEP PROGRAMS

Durable Medical Equipment & Medical Supplies

1816 PHILADELPHIA ST, HEALTHY HEART SLEEP PROGRAMS AT IOWA HEART
AMES, IA 50010

Story County (515) 232-2605

MRS. KELLI HOLLAND ARNP

Nurse Practitioner

1816 PHILADELPHIA ST
AMES, IA 50010

Story County (515) 232-2500

STEPHANIE S KALVIG A.R.N.P.

Nurse Practitioner

1816 PHILADELPHIA ST
AMES, IA 50010

Story County (515) 232-2500

DR. CONNOR SCOTT YOUNG MD

Internal Medicine (Interventional Cardiology)

1816 PHILADELPHIA ST
AMES, IA 50010

Story County (515) 232-2500

DR. KYLE GERARD ULVELING M.D.

Internal Medicine (Cardiovascular Disease)

1816 PHILADELPHIA ST
AMES, IA 50010

Story County (515) 232-2500

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 Christopher Foster's NPI number?

The NPI number for Christopher Foster is 1861201162. It was assigned to this individual provider in the NPPES registry on January 2, 2025.

Where is Christopher Foster located?

Christopher Foster practices at 1816 Philadelphia St, Ames, IA 50010. The listed phone number is (515) 232-2500.

What is Christopher Foster's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.

Is Christopher Foster enrolled in Medicare?

Yes. Christopher Foster is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Christopher Foster's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Christopher Foster reassigns Medicare benefits to 2 organizations: Hamilton County Public Hospital (Jewell, IA) and Catholic Health Initiatives Iowa Corp (Des Moines, 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 Christopher Foster's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Christopher Foster accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from NH Healthy Families, Ambetter from Sunflower Health Plan and Oscar Health and 3 other insurers list Christopher Foster 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 Christopher Foster affiliated with any hospitals?

According to CMS data, Christopher Foster is affiliated with Trinity Regional Medical Center, Mary Greeley Medical Center, Mercyone Des Moines Medical Center, Van Diest Medical Center and Boone County Hospital.

When was this NPI record last updated?

The NPPES record for Christopher Foster was last updated on May 21, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.