LILIAN ST. JOHN MD
NPI 1316152382
Pediatrics - Neonatal-Perinatal Medicine in Richardson, TX

Active since May 13, 2007PECOS Enrolled
2831 E PRESIDENT GEORGE BUSH HWY, RICHARDSON, TX 75082(214) 343-6663(214) 343-2814 Get Directions Write a Review

NPPES record last updated: January 3, 2022. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jan 3, 2022, Feb 3, 2021, Dec 14, 2015 (3 updates tracked since 2015).

About Lilian St. John Md NPPES

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

LILIAN ST. JOHN MD (NPI 1316152382) is an individual neonatal-perinatal medicine provider in Richardson, Texas, licensed in Texas (M2825) and active in the NPI registry since May 2007. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1316152382
Entity TypeIndividualFemale
Primary Taxonomy2080N0001X
Provider Legal NameLILIAN ST. JOHNCredential: MD
Location Address2831 E PRESIDENT GEORGE BUSH HWYRichardson, TX 75082-3561
Mailing Address3001 George Bush Hwy Ste 225Richardson, TX 75082-3569 · (214) 343-6663 · Fax (214) 343-2814
Fax(214) 343-2814
Sole ProprietorNo
Enumeration DateMay 13, 2007
Last NPPES UpdateJanuary 3, 20223 updates tracked since enumeration
NPPES CertifiedJanuary 3, 2022
✔ NPI 1316152382 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatrics · Neonatal-Perinatal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2080N0001X
License✔ Licensed in TX · M2825
Definition
A pediatrician who is the principal care provider for sick newborn infants. Clinical expertise is used for direct patient care and for consulting with obstetrical colleagues to plan for the care of mothers who have high-risk pregnancies.
Also ListedPediatricsTaxonomy 208000000X · License M2825 (TX)
2831 E PRESIDENT GEORGE BUSH HWY, Richardson, TX 75082

Other Identifiers 3

Medicaid216664703TX
Medicaid216664704TX
Other8BX998TX · Bcbs

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)

Lilian St. John 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 Reassignment

Medicare enrollment records show Lilian St. John reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Neonatal-Perinatal Medicine
2400 ROUND ROCK AVE
Round Rock, TX 78681
  • Reassigned Medicare billing, Texas enrollment
  • 432 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.

Pharmacist
2831 E PRESIDENT GEORGE BUSH HWY
RICHARDSON, TX 75082
General Acute Care Hospital
2831 E PRESIDENT GEORGE BUSH HWY
RICHARDSON, TX 75082
Internal Medicine
2831 E PRESIDENT GEORGE BUSH HWY
RICHARDSON, TX 75082
Physical Therapist
2831 E PRESIDENT GEORGE BUSH HWY
RICHARDSON, TX 75082
Radiology (Diagnostic Radiology)
2831 E PRESIDENT GEORGE BUSH HWY
RICHARDSON, TX 75082
Emergency Medicine
2831 E PRESIDENT GEORGE BUSH HWY
RICHARDSON, TX 75082
Internal Medicine
2831 E PRESIDENT GEORGE BUSH HWY
RICHARDSON, TX 75082
Emergency Medicine
2831 E PRESIDENT GEORGE BUSH HWY, EMERGENCY DEPARTMENT
RICHARDSON, TX 75082

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 Lilian St. John's NPI number?

The NPI number for Lilian St. John is 1316152382. It was assigned to this individual provider in the NPPES registry on May 13, 2007.

Where is Lilian St. John located?

Lilian St. John practices at 2831 E President George Bush Hwy, Richardson, TX 75082. The listed phone number is (214) 343-6663.

What is Lilian St. John's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Neonatal-Perinatal Medicine, with taxonomy code 2080N0001X.

Is Lilian St. John enrolled in Medicare?

Yes. Lilian St. John is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Lilian St. John's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Lilian St. John reassigns Medicare benefits to Magella Medical Associates Billing, Inc. (Round Rock, TX). 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 Lilian St. John's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Lilian St. John accept?

Health plans from Blue Cross and Blue Shield of Texas, Oscar Health, Oscar Insurance Company and WellPoint list Lilian St. John 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 Lilian St. John was last updated on January 3, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.