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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

CAITLIN ANN POSTER
NPI 1124803952
Nurse Practitioner - Pediatrics, Critical Care in Iowa City, IA

Active since August 29, 2023PECOS Enrolled
200 HAWKINS DR, IOWA CITY, IA 52242(319) 356-1615(319) 356-8443 Get Directions Write a Review

NPPES record last updated: September 22, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 22, 2026, Nov 20, 2024, Aug 29, 2023 (3 updates tracked since 2023).

About Caitlin Ann Poster NPPES

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

CAITLIN ANN POSTER (NPI 1124803952) is an individual pediatrics, critical care provider in Iowa City, Iowa, licensed in Iowa (C193010) and active in the NPI registry since August 2023. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1124803952
Entity TypeIndividualFemale
Primary Taxonomy363LP0222X
Provider Legal NameCAITLIN ANN POSTER
Location Address200 HAWKINS DRIowa City, IA 52242-1009
Mailing Address200 Hawkins DrIowa City, IA 52242-1009 · (319) 356-1615 · Fax (319) 356-8443
Phone(319) 356-1615
Fax(319) 356-8443
Sole ProprietorNo
Enumeration DateAugust 29, 2023
Last NPPES UpdateSeptember 22, 20263 updates tracked since enumeration
NPPES CertifiedSeptember 22, 2026
✔ NPI 1124803952 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · Pediatrics, Critical CarePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0222X
Licenses✔ Licensed in IA · C193010✔ Licensed in IL · 209028561
Also ListedRegistered NurseTaxonomy 163W00000X · License 041465026 (IL)
200 HAWKINS DR, Iowa City, IA 52242
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 (PECOS)

Caitlin Ann Poster is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Caitlin Poster reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Advocate Health And Hospitals Corp.
135 mi
Medicare Defined Swing Bed Unit
101 S MAJOR ST
Eureka, IL 61530
  • Reassigned Medicare billing, Illinois enrollment
  • 4,870 clinicians in this Medicare group
NPI 1295066983 (309) 467-2371

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 52242 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 20

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

SANGIL LEE M.D.
Emergency Medicine
200 HAWKINS DR
IOWA CITY, IA 52242
Johnson County (319) 356-2233
RAMI G. EL ABIAD M.D.
Internal Medicine (Gastroenterology)
200 HAWKINS DR
IOWA CITY, IA 52242
Johnson County (319) 356-4901
GRERK SUTAMTEWAGUL MD
Internal Medicine (Hematology & Oncology)
200 HAWKINS DR, DEPT OF INTERNAL MEDICINE
IOWA CITY, IA 52242
Johnson County (319) 356-1616
DR. KALEB TANNER VEIT D.O.
Internal Medicine (Critical Care Medicine)
200 HAWKINS DR
IOWA CITY, IA 52242
Johnson County (319) 356-2320
OMAR JABER M.D
Chronic Disease Hospital
200 HAWKINS DR
IOWA CITY, IA 52242
Johnson County (319) 471-8958
JENNIFER MANCUSO MS, CGC
Genetic Counselor, MS
200 HAWKINS DR, 31663 PFP
IOWA CITY, IA 52242
Johnson County (319) 384-7983
ASHLEY KAISER M.D.
Obstetrics & Gynecology
200 HAWKINS DR, DEPT OF OBGYN
IOWA CITY, IA 52242
Johnson County (319) 356-2294
MRS. NANCY JANE MILLICE
Health Educator
200 HAWKINS DR, 0733 JPP
IOWA CITY, IA 52242
Johnson County (319) 356-3825

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 Caitlin Poster's NPI number?

The NPI number for Caitlin Poster is 1124803952. It was assigned to this individual provider in the NPPES registry on August 29, 2023.

Where is Caitlin Poster located?

Caitlin Poster practices at 200 Hawkins Dr, Iowa City, IA 52242. The listed phone number is (319) 356-1615.

What is Caitlin Poster's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Pediatrics, Critical Care, with taxonomy code 363LP0222X.

Is Caitlin Poster enrolled in Medicare?

Yes. Caitlin Poster is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Caitlin Poster's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Caitlin Poster reassigns Medicare benefits to Advocate Health And Hospitals Corp. (Eureka, IL). 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 Caitlin Poster's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Caitlin Poster accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from NH Healthy Families, Ambetter from Sunflower Health Plan and Oscar Health and 1 other insurer list Caitlin Poster 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 Caitlin Poster was last updated on September 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 39 days 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.