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DR. MARGARET ASHLEY FERRIS MD
NPI 1669812905
Pediatrics - Pediatric Hematology-Oncology in Saint Louis, MO

Active since July 01, 2013PECOS 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: August 02, 2026.

Record update history: Apr 25, 2024, Apr 10, 2024, Nov 15, 2021 and 3 more (6 updates tracked since 2019).

About Dr. Margaret Ashley Ferris Md NPPES

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

DR. MARGARET ASHLEY FERRIS MD (NPI 1669812905) is an individual pediatric hematology-oncology provider in Saint Louis, Missouri, licensed in Missouri (2017014189) and active in the NPI registry since July 2013. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1669812905
Entity TypeIndividualFemale
Primary Taxonomy2080P0207X
Provider Legal NameDR. MARGARET ASHLEY FERRISCredential: 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 DateJuly 1, 2013
Last NPPES UpdateApril 17, 20256 updates tracked since enumeration
✔ NPI 1669812905 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatrics · Pediatric Hematology-OncologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0207X
License✔ Licensed in MO · 2017014189
Definition
A pediatrician trained in the combination of pediatrics, hematology and oncology to recognize and manage pediatric blood disorders and cancerous diseases.
Also ListedPediatricsTaxonomy 208000000X · License 2017014189 (MO)
1 CHILDRENS PL, Saint Louis, MO 63110
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Other Identifiers 1

Medicaid200063156MO

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, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Margaret Ashley Ferris 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.

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
HANNAH EDELMAN MD, PHD
Psychiatry & Neurology (Neurology)
1 CHILDRENS PL
SAINT LOUIS, MO 63110
St. Louis City (314) 454-6120
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
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 Margaret Ferris's NPI number?

The NPI number for Margaret Ferris is 1669812905. It was assigned to this individual provider in the NPPES registry on July 1, 2013.

Where is Margaret Ferris located?

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

What is Margaret Ferris's specialty?

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

Is Margaret Ferris enrolled in Medicare?

Yes. Margaret Ferris is registered in the Medicare PECOS enrollment system.

What insurance does Margaret Ferris accept?

Health plans from Cox HealthPlans list Margaret Ferris 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 Margaret Ferris 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 15 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.