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DR. MARY MARGARET CORNAGHIE MD
NPI 1396206611
Orthopaedic Surgery - Pediatric Orthopaedic Surgery in Saint Louis, MO

Active since March 28, 2019PECOS Enrolled
1 CHILDRENS PL, STE 1B, SAINT LOUIS, MO 63110(314) 514-3500(314) 878-7678 Get Directions Write a Review

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

About Dr. Mary Margaret Cornaghie Md NPPES

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

DR. MARY MARGARET CORNAGHIE MD (NPI 1396206611) is an individual pediatric orthopaedic surgery provider in Saint Louis, Missouri, licensed in Missouri (2024016406) and active in the NPI registry since March 2019. She is enrolled in Medicare PECOS and is a graduate of Baylor College Of Medicine (2019).

NPPES Registry Identity

NPI1396206611
Entity TypeIndividualFemale
Primary Taxonomy207XP3100X
Provider Legal NameDR. MARY MARGARET CORNAGHIECredential: MD
Location Address1 CHILDRENS PL, STE 1BSaint Louis, MO 63110-1002
Mailing AddressPo Box 7412011Chicago, IL 60674-2011 · (314) 514-3500 · Fax (314) 878-7678
Phone(314) 514-3500
Fax(314) 878-7678
Sole ProprietorNo
Medical School CMSBaylor College Of MedicineGraduated 2019
Enumeration DateMarch 28, 2019
Last NPPES UpdateApril 17, 2025
✔ NPI 1396206611 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOrthopaedic Surgery · Pediatric Orthopaedic SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207XP3100X
License✔ Licensed in MO · 2024016406
Definition
An orthopedic surgeon who has additional training and experience in diagnosing, treating and managing musculoskeletal problems in infants, children and adolescents. These may include limb and spine deformities (such as club foot, scoliosis); gait abnormalities (limping); bone and joint infections; broken bones.
1 CHILDRENS PL, Saint Louis, MO 63110
Open in Google Maps ↗

Other Identifiers 1

Medicaid200144169MO

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Mary Margaret Cornaghie Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID4789918418
PECOS Enrollment IDI20251014000394
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 Mary Cornaghie reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Children's Hospital
715 mi
Pediatrics
111 MICHIGAN AVE NW
Washington, DC 20010
  • Reassigned Medicare billing, District of Columbia enrollment
  • 1,417 clinicians in this Medicare group
NPI 1780800128 (202) 476-5000

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 Mary Cornaghie's NPI number?

The NPI number for Mary Cornaghie is 1396206611. It was assigned to this individual provider in the NPPES registry on March 28, 2019.

Where is Mary Cornaghie located?

Mary Cornaghie practices at 1 Childrens Pl Ste 1B, Saint Louis, MO 63110. The listed phone number is (314) 514-3500.

What is Mary Cornaghie's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery, specializing in Pediatric Orthopaedic Surgery, with taxonomy code 207XP3100X.

Is Mary Cornaghie enrolled in Medicare?

Yes. Mary Cornaghie is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Mary Cornaghie's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mary Cornaghie reassigns Medicare benefits to Children's Hospital (Washington, DC). 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 Mary Cornaghie's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Mary Cornaghie 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.