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JOSELIN GAIL NIEMYER MD
NPI 1295091924
Pediatrics - Pediatric Emergency Medicine in Little Rock, AR

Active since April 06, 2012PECOS Enrolled
1 CHILDRENS WAY # 584, LITTLE ROCK, AR 72202(501) 364-3150 Get Directions Write a Review

NPPES record last updated: June 21, 2024. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Joselin Gail Niemyer Md NPPES

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

JOSELIN GAIL NIEMYER MD (NPI 1295091924) is an individual pediatric emergency medicine provider in Little Rock, Arkansas, licensed in Arkansas (E-9205) and active in the NPI registry since April 2012. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1295091924
Entity TypeIndividualFemale
Primary Taxonomy2080P0204X
Provider Legal NameJOSELIN GAIL NIEMYERCredential: MD
Location Address1 CHILDRENS WAY # 584Little Rock, AR 72202-3500
Mailing Address1 Childrens Way # 653Little Rock, AR 72202-3500 · (501) 364-1100 · Fax (501) 364-4082
Phone(501) 364-3150
Sole ProprietorNo
Enumeration DateApril 6, 2012
Last NPPES UpdateJune 21, 2024
NPPES CertifiedJune 20, 2024
✔ NPI 1295091924 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyPediatrics · Pediatric Emergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2080P0204X
License✔ Licensed in AR · E-9205
Definition
A pediatrician who has special qualifications to manage emergencies in infants and children.
Also ListedPediatricsTaxonomy 208000000X · License E-9205 (AR)
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
1 CHILDRENS WAY # 584, Little Rock, AR 72202
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Other Names 1

Other Name (5)Joselin Niemyer Walker Md

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Health Advantage, Octave.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Joselin Gail Niemyer Md 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 Reassignments

3

Medicare enrollment records show Joselin Niemyer reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Arkansas Childrens Hospital
Same address
Pediatrics
1 CHILDRENS WAY # 664
Little Rock, AR 72202
  • Reassigned Medicare billing, Arkansas enrollment
  • 944 clinicians in this Medicare group
NPI 1598773079 (501) 364-2526
Arkansas Childrens Professional Services Organization LLC
3.4 mi
Pediatrics
1 CHILDRENS WAY
Little Rock, AR 72202
  • Reassigned Medicare billing, Arkansas enrollment
  • 653 clinicians in this Medicare group
NPI 1629889464 (501) 364-2526
University Of Arkansas For Medical Sciences
3.4 mi
Psychologist
1 CHILDRENS WAY # 653
Little Rock, AR 72202
  • Reassigned Medicare billing, Arkansas enrollment
  • 1,246 clinicians in this Medicare group
NPI 1114255353 (501) 364-1100

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Joselin Niemyer's NPI number?

The NPI number for Joselin Niemyer is 1295091924. It was assigned to this individual provider in the NPPES registry on April 6, 2012. The provider is also known as Joselin Niemyer Walker MD.

Where is Joselin Niemyer located?

Joselin Niemyer practices at 1 Childrens Way # 584, Little Rock, AR 72202. The listed phone number is (501) 364-3150.

What is Joselin Niemyer's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Emergency Medicine, with taxonomy code 2080P0204X.

Is Joselin Niemyer enrolled in Medicare?

Yes. Joselin Niemyer is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Joselin Niemyer's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Joselin Niemyer reassigns Medicare benefits to 3 organizations: Arkansas Childrens Hospital (Little Rock, AR), Arkansas Childrens Professional Services Organization LLC (Little Rock, AR) and University Of Arkansas For Medical Sciences (Little Rock, AR). 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 Joselin Niemyer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Joselin Niemyer accept?

Health plans from Health Advantage and Octave list Joselin Niemyer 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 Joselin Niemyer was last updated on June 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.