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DR. KRISTIN ELIZABETH ZORN MD
NPI 1669903993
Pediatrics - Pediatric Hematology-Oncology in Saint Louis, MO

Active since March 27, 2017PECOS Enrolled
1 CHILDRENS PL, DIV PED HEMATOLOGY AND ONC, SAINT LOUIS, MO 63110(314) 454-6018(844) 621-4392 Get Directions Write a Review

NPPES record last updated: April 17, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Oct 1, 2024, Aug 15, 2023, Jul 8, 2020 and 3 more (6 updates tracked since 2017).

About Dr. Kristin Elizabeth Zorn Md NPPES

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

DR. KRISTIN ELIZABETH ZORN MD (NPI 1669903993) is an individual pediatric hematology-oncology provider in Saint Louis, Missouri, licensed in Missouri (2024038838) and active in the NPI registry since March 2017. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1669903993
Entity TypeIndividualFemale
Primary Taxonomy2080P0207X
Provider Legal NameDR. KRISTIN ELIZABETH ZORNCredential: MD
Location Address1 CHILDRENS PL, DIV PED HEMATOLOGY AND ONCSaint Louis, MO 63110-1002
Mailing AddressPo Box 7412011Chicago, IL 60674-2011 · (314) 454-6018 · Fax (844) 621-4392
Phone(314) 454-6018
Fax(844) 621-4392
Sole ProprietorNo
Enumeration DateMarch 27, 2017
Last NPPES UpdateApril 17, 20256 updates tracked since enumeration
NPPES CertifiedAugust 15, 2023
✔ NPI 1669903993 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Pediatric Hematology-OncologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0207X
License✔ Licensed in MO · 2024038838
Definition
A pediatrician trained in the combination of pediatrics, hematology and oncology to recognize and manage pediatric blood disorders and cancerous diseases.
1 CHILDRENS PL, Saint Louis, MO 63110
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Other Identifiers 1

Medicaid200148504MO

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Cox HealthPlans.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. Kristin Elizabeth Zorn 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

2

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

Washington University
Same address
Multi-Specialty
1 CHILDRENS PL
Saint Louis, MO 63110
  • Reassigned Medicare billing, Missouri enrollment
  • 628 clinicians in this Medicare group
NPI 1194765685 (314) 286-1264
Phoenix Children's Medical Group
1,252 mi
Multi-Specialty
5131 E SOUTHERN AVE
Mesa, AZ 85206
  • Reassigned Medicare billing, Arizona enrollment
  • Medicare enrollment name: Phoenix Children's Hospital
  • 1,416 clinicians in this Medicare group
NPI 1487814240 (602) 933-0002

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.

ARIE BAKER MSW, LCSW
Social Worker (Clinical)
1 CHILDRENS PL, CAMPUS BOX 8116
SAINT LOUIS, MO 63110
St. Louis City (314) 747-6169
SUSAN CHEUNG WALSH AUD
Audiologist-Hearing Aid Fitter
1 CHILDRENS PL
SAINT LOUIS, MO 63110
St. Louis City (314) 454-4649
MS. JENNIFER MARIE JACOBI PNP
Nurse Practitioner (Pediatrics)
1 CHILDRENS PL, DEPT NEUROLOGICAL SURGERY, STE 4E
SAINT LOUIS, MO 63110
St. Louis City (314) 362-3577
MS. EMILY LINCOLN RN, NNP-BC
Nurse Practitioner (Neonatal, Critical Care)
1 CHILDRENS PL
SAINT LOUIS, MO 63110
St. Louis City (314) 454-6000
MS. MARISSA ROSE PEREZ-MAGNELLI PNP
Nurse Practitioner (Pediatrics)
1 CHILDRENS PL, DEPT NEUROLOGY, STE 2130
SAINT LOUIS, MO 63110
St. Louis City (314) 454-6120
MRS. BRIANNA LYNN RICHTER NNP-BC
Nurse Practitioner (Neonatal)
1 CHILDRENS PL
SAINT LOUIS, MO 63110
St. Louis City (314) 454-6000
DR. WILLIAM L RIVES MD
Hospitalist
1 CHILDRENS PL, DIV PED HOSPITALIST MED
SAINT LOUIS, MO 63110
St. Louis City (314) 454-2076
DR. PETER M KILBRIDGE MD
Pediatrics
1 CHILDRENS PL, SUITE C
SAINT LOUIS, MO 63110
St. Louis City (314) 454-2479

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 Kristin Zorn's NPI number?

The NPI number for Kristin Zorn is 1669903993. It was assigned to this individual provider in the NPPES registry on March 27, 2017.

Where is Kristin Zorn located?

Kristin Zorn practices at 1 Childrens Pl Div Ped Hematology And Onc, Saint Louis, MO 63110. The listed phone number is (314) 454-6018.

What is Kristin Zorn's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Hematology-Oncology, with taxonomy code 2080P0207X.

Is Kristin Zorn enrolled in Medicare?

Yes. Kristin Zorn is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Kristin Zorn's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Kristin Zorn reassigns Medicare benefits to 2 organizations: Washington University (Saint Louis, MO) and Phoenix Children's Medical Group (Mesa, AZ). 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 Kristin Zorn's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Kristin Zorn accept?

Health plans from Cox HealthPlans list Kristin Zorn 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 Kristin Zorn was last updated on April 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.