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

DR. THOMAS ISAAC NEUFELD MD
NPI 1841817749
Pediatrics - Pediatric Cardiology in Saint Louis, MO

Active since June 26, 2020PECOS Enrolled
1 CHILDRENS PL, DIV PED CARDIOLOGY, SAINT LOUIS, MO 63110(314) 454-6095(314) 884-6008 Get Directions Write a Review

NPPES record last updated: September 15, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 15, 2026, Aug 19, 2026, Jun 14, 2023 and 3 more (6 updates tracked since 2020).

About Dr. Thomas Isaac Neufeld Md NPPES

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

DR. THOMAS ISAAC NEUFELD MD (NPI 1841817749) is an individual pediatric cardiology provider in Saint Louis, Missouri, licensed in Missouri (2023022440) and active in the NPI registry since June 2020. She is enrolled in Medicare PECOS and is a graduate of Duke University School Of Medicine (2020).

NPPES Registry Identity

NPI1841817749
Entity TypeIndividualFemale
Primary Taxonomy2080P0202X
Provider Legal NameDR. THOMAS ISAAC NEUFELDCredential: MD
Location Address1 CHILDRENS PL, DIV PED CARDIOLOGYSaint Louis, MO 63110-1002
Mailing AddressPo Box 7412011Chicago, IL 60674-2011 · (314) 454-6095 · Fax (314) 884-6008
Fax(314) 884-6008
Sole ProprietorNo
Medical School CMSDuke University School Of MedicineGraduated 2020
Enumeration DateJune 26, 2020
Last NPPES UpdateSeptember 15, 20266 updates tracked since enumeration
NPPES CertifiedSeptember 15, 2026
✔ NPI 1841817749 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatrics · Pediatric CardiologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0202X
License✔ Licensed in MO · 2023022440
Definition
A pediatric cardiologist provides comprehensive care to patients with cardiovascular problems. This specialist is skilled in selecting, performing and evaluating the structural and functional assessment of the heart and blood vessels, and the clinical evaluation of cardiovascular disease.
Also ListedPediatricsTaxonomy 208000000X · License 2023022440 (MO)
1 CHILDRENS PL, Saint Louis, MO 63110

Other Identifiers 1

Medicaid200083456MO

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Thomas Isaac Neufeld Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID3971063355
PECOS Enrollment IDI20260904000533
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 Thomas Neufeld reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Multi-Specialty
1 CHILDRENS PL
Saint Louis, MO 63110
  • Reassigned Medicare billing, Missouri enrollment
  • 628 clinicians in this Medicare group

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

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.

Social Worker (Clinical)
1 CHILDRENS PL, CAMPUS BOX 8116
SAINT LOUIS, MO 63110
Audiologist-Hearing Aid Fitter
1 CHILDRENS PL
SAINT LOUIS, MO 63110
Nurse Practitioner (Pediatrics)
1 CHILDRENS PL, DEPT NEUROLOGICAL SURGERY, STE 4E
SAINT LOUIS, MO 63110
Nurse Practitioner (Neonatal, Critical Care)
1 CHILDRENS PL
SAINT LOUIS, MO 63110
Nurse Practitioner (Pediatrics)
1 CHILDRENS PL, DEPT NEUROLOGY, STE 2130
SAINT LOUIS, MO 63110
Nurse Practitioner (Neonatal)
1 CHILDRENS PL
SAINT LOUIS, MO 63110
Hospitalist
1 CHILDRENS PL, DIV PED HOSPITALIST MED
SAINT LOUIS, MO 63110
Pediatrics
1 CHILDRENS PL, SUITE C
SAINT LOUIS, MO 63110

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 Thomas Neufeld's NPI number?

The NPI number for Thomas Neufeld is 1841817749. It was assigned to this individual provider in the NPPES registry on June 26, 2020.

Where is Thomas Neufeld located?

Thomas Neufeld practices at 1 Childrens Pl Div Ped Cardiology, Saint Louis, MO 63110. The listed phone number is (314) 454-6095.

What is Thomas Neufeld's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Cardiology, with taxonomy code 2080P0202X.

Is Thomas Neufeld enrolled in Medicare?

Yes. Thomas Neufeld is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Thomas Neufeld's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Thomas Neufeld reassigns Medicare benefits to Washington University (Saint Louis, MO). 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 Thomas Neufeld's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Thomas Neufeld accept?

Health plans from UnitedHealthcare list Thomas Neufeld 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 Thomas Neufeld was last updated on September 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 46 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.