DR. ELIZABETH GREER DO
NPI 1730686684
Emergency Medicine - Pediatric Emergency Medicine in San Antonio, TX

Active since April 08, 2018PECOS EnrolledAccepts Medicare Assignment
333 N SANTA ROSA, SAN ANTONIO, TX 78207(210) 704-3030 Get Directions Write a Review

NPPES record last updated: May 7, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: May 7, 2024, Jul 5, 2021, Jul 4, 2021 (3 updates tracked since 2021).

About Dr. Elizabeth Greer Do NPPES

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

DR. ELIZABETH GREER DO (NPI 1730686684) is an individual pediatric emergency medicine provider in San Antonio, Texas, licensed in Texas (V0749) and active in the NPI registry since April 2018. She is enrolled in Medicare PECOS, maintains a secondary practice location in Charleston, and is a graduate of Other (2018).

NPPES Registry Identity

NPI1730686684
Entity TypeIndividualFemale
Primary Taxonomy207PP0204X
Provider Legal NameDR. ELIZABETH GREERCredential: DO
Location Address333 N SANTA ROSASan Antonio, TX 78207-3108
Mailing AddressPo Box 751461Charlotte, NC 28275-1461 · (843) 792-6200
Sole ProprietorNo
Medical School CMSOtherGraduated 2018
Enumeration DateApril 8, 2018
Last NPPES UpdateMay 7, 20243 updates tracked since enumeration
NPPES CertifiedMay 7, 2024
✔ NPI 1730686684 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency Medicine · Pediatric Emergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207PP0204X
Licenses✔ Licensed in TX · V0749✔ Licensed in SC · 83701
Definition
Pediatric Emergency Medicine is a clinical subspecialty that focuses on the care of the acutely ill or injured child in the setting of an emergency department.
333 N SANTA ROSA, San Antonio, TX 78207

Secondary Practice Location 1

Location 110 McClennan Banks DrCharleston, SC 29425-3877 · Phone (843) 792-2300

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Elizabeth Greer Do is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3779989264
PECOS Enrollment IDI20240514003781
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 Elizabeth Greer reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Pediatrics
333 N SANTA ROSA
San Antonio, TX 78207
  • Reassigned Medicare billing, Texas enrollment
  • 453 clinicians in this Medicare group
Multi-Specialty
2125 CHARLIE HALL BLVD, SUITE 100
Charleston, SC 29414
  • Reassigned Medicare billing, South Carolina enrollment
  • Medicare enrollment name: University Medical Associates Of The Medical University Of South Carol
  • 2,594 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78207 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$84.92 typical visit price
range $54.84 – $166.88
Typical copayment $21.23 (range $13.71 – $41.72)
Most-billed visit code 99203
Established Patient
$97.05 typical visit price
range $17.52 – $136.11
Typical copayment $24.26 (range $4.38 – $34.02)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

Pediatrics (Pediatric Hematology-Oncology)
333 N SANTA ROSA
SAN ANTONIO, TX 78207
Pediatrics (Pediatric Emergency Medicine)
333 N SANTA ROSA
SAN ANTONIO, TX 78207
Nurse Practitioner (Pediatrics, Critical Care)
333 N SANTA ROSA
SAN ANTONIO, TX 78207
Pediatrics
333 N SANTA ROSA
SAN ANTONIO, TX 78207
Student in an Organized Health Care Education/Training Program
333 N SANTA ROSA
SAN ANTONIO, TX 78207
Pediatrics
333 N SANTA ROSA
SAN ANTONIO, TX 78207
Obstetrics & Gynecology (Maternal & Fetal Medicine)
333 N SANTA ROSA
SAN ANTONIO, TX 78207
Clinical Neuropsychologist
333 N SANTA ROSA
SAN ANTONIO, TX 78207

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 Elizabeth Greer's NPI number?

The NPI number for Elizabeth Greer is 1730686684. It was assigned to this individual provider in the NPPES registry on April 8, 2018.

Where is Elizabeth Greer located?

Elizabeth Greer practices at 333 N Santa Rosa, San Antonio, TX 78207. The listed phone number is (210) 704-3030.

What is Elizabeth Greer's specialty?

The primary specialty registered for this NPI is Emergency Medicine, specializing in Pediatric Emergency Medicine, with taxonomy code 207PP0204X.

Is Elizabeth Greer enrolled in Medicare?

Yes. Elizabeth Greer is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Elizabeth Greer's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Elizabeth Greer reassigns Medicare benefits to 2 organizations: Baylor College Of Medicine (San Antonio, TX) and University Medical Associates (Charleston, SC). 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 Elizabeth Greer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Elizabeth Greer accept?

Health plans from Blue Cross and Blue Shield of Texas and Oscar Insurance Company list Elizabeth Greer 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 Elizabeth Greer was last updated on May 7, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.