DR. MARY ELIZABETH WEARDEN MD
NPI 1679521371
Pediatrics - Neonatal-Perinatal Medicine in San Antonio, TX

Active since May 04, 2006PECOS Enrolled
5414 FREDERICKSBURG RD, SUITE 100, SAN ANTONIO, TX 78229(210) 541-8281(210) 541-9123 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Dr. Mary Elizabeth Wearden Md NPPES

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

DR. MARY ELIZABETH WEARDEN MD (NPI 1679521371) is an individual neonatal-perinatal medicine provider in San Antonio, Texas, licensed in Texas (G5752) and active in the NPI registry since May 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1679521371
Entity TypeIndividualFemale
Primary Taxonomy2080N0001X
Provider Legal NameDR. MARY ELIZABETH WEARDENCredential: MD
Location Address5414 FREDERICKSBURG RD, SUITE 100San Antonio, TX 78229-3641
Mailing Address5414 Fredericksburg Rd, Suite 100San Antonio, TX 78229-3641 · (210) 541-8281 · Fax (210) 541-9123
Fax(210) 541-9123
Sole ProprietorNo
Enumeration DateMay 4, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1679521371 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Neonatal-Perinatal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2080N0001X
License✔ Licensed in TX · G5752
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.
5414 FREDERICKSBURG RD, San Antonio, TX 78229

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. Mary Elizabeth Wearden 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 Mary Wearden 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.

Nurse Practitioner (Neonatal, Critical Care)
5414 FREDERICKSBURG RD, SUITE 100
SAN ANTONIO, TX 78229
Nurse Practitioner (Neonatal, Critical Care)
5414 FREDERICKSBURG RD, SUITE 100
SAN ANTONIO, TX 78229
Pediatrics (Neonatal-Perinatal Medicine)
5414 FREDERICKSBURG RD, SUITE 100
SAN ANTONIO, TX 78229
Nurse Practitioner (Neonatal, Critical Care)
5414 FREDERICKSBURG RD, SUITE 100
SAN ANTONIO, TX 78229
Psychologist
5414 FREDERICKSBURG RD, SUITE 250
SAN ANTONIO, TX 78229
Social Worker (Clinical)
5414 FREDERICKSBURG RD
SAN ANTONIO, TX 78229
Nurse Practitioner (Neonatal, Critical Care)
5414 FREDERICKSBURG RD, SUITE 100
SAN ANTONIO, TX 78229
Pediatrics (Neonatal-Perinatal Medicine)
5414 FREDERICKSBURG RD, SUITE 100
SAN ANTONIO, TX 78229

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 Wearden's NPI number?

The NPI number for Mary Wearden is 1679521371. It was assigned to this individual provider in the NPPES registry on May 4, 2006.

Where is Mary Wearden located?

Mary Wearden practices at 5414 Fredericksburg Rd Suite 100, San Antonio, TX 78229. The listed phone number is (210) 541-8281.

What is Mary Wearden's specialty?

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

Is Mary Wearden enrolled in Medicare?

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

Which organization bills Medicare for Mary Wearden's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mary Wearden 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 Mary Wearden's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mary Wearden accept?

Health plans from Blue Cross and Blue Shield of Texas, Oscar Health, Oscar Insurance Company, Sendero Health Plans, Local Nonprofit and WellPoint list Mary Wearden 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 Mary Wearden was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.