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LEE M ARMSTRONG MD
NPI 1174596670
Pediatrics - Pediatric Emergency Medicine in San Antonio, TX

Active since February 07, 2006PECOS Enrolled
333 N SANTA ROSA, SAN ANTONIO, TX 78207(210) 704-3030 Get Directions Write a Review

NPPES record last updated: February 6, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Lee M Armstrong Md NPPES

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

LEE M ARMSTRONG MD (NPI 1174596670) is an individual pediatric emergency medicine provider in San Antonio, Texas, licensed in Texas (H0140) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS and maintains a secondary practice location in San Antonio.

NPPES Registry Identity

NPI1174596670
Entity TypeIndividualMale
Primary Taxonomy2080P0204X
Provider Legal NameLEE M ARMSTRONGCredential: MD
Location Address333 N SANTA ROSASan Antonio, TX 78207-3108
Mailing Address4204 Gardendale Street, Suite 312San Antonio, TX 78229-3141 · (210) 293-6006 · Fax (210) 614-1722
Phone(210) 704-3030
Sole ProprietorNo
Enumeration DateFebruary 7, 2006
Last NPPES UpdateFebruary 6, 2024
NPPES CertifiedFebruary 6, 2024
✔ NPI 1174596670 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ Primary SpecialtyPediatrics · Pediatric Emergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2080P0204X
License✔ Licensed in TX · H0140
Definition
A pediatrician who has special qualifications to manage emergencies in infants and children.
Also ListedEmergency MedicineTaxonomy 207P00000X · License H0140 (TX)
Also ListedPediatricsTaxonomy 208000000X · License H0140 (TX)
Also ListedHospitalistTaxonomy 208M00000X · License H0140 (TX)
333 N SANTA ROSA, San Antonio, TX 78207
Open in Google Maps ↗

Secondary Practice Location 1

Location 14204 Gardendale Street, Suite 312San Antonio, TX 78229-3141 · Phone (210) 293-6006 · Fax (210) 614-1722

Other Identifiers 1

Medicaid126898909TX

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas, CHRISTUS Health Plan, UnitedHealthcare.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Lee M Armstrong 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 Reassignments

3

Medicare enrollment records show Lee Armstrong reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Baylor College Of Medicine
Same address
Pediatrics
333 N SANTA ROSA
San Antonio, TX 78207
  • Reassigned Medicare billing, Texas enrollment
  • 453 clinicians in this Medicare group
NPI 1285079764 (210) 704-3030
Emergency Medicine Services Of Tx, PLLC
7.1 mi
Emergency Medicine
7700 FLOYD CURL DR
San Antonio, TX 78229
  • Reassigned Medicare billing, Texas enrollment
  • 1,452 clinicians in this Medicare group
NPI 1245938729 (210) 575-4000
Bexar Emergency Physicians, PLLC
7.9 mi
Emergency Medicine
2827 BABCOCK RD
San Antonio, TX 78229
  • Reassigned Medicare billing, Texas enrollment
  • 149 clinicians in this Medicare group
NPI 1548034994 (210) 705-6300

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.

LATHA PRASANNAN MD
Pediatrics (Pediatric Hematology-Oncology)
333 N SANTA ROSA
SAN ANTONIO, TX 78207
Bexar County (210) 704-3030
SOFIA SILVER COOK MD
Pediatrics (Pediatric Emergency Medicine)
333 N SANTA ROSA
SAN ANTONIO, TX 78207
Bexar County (210) 704-3030
NATALIE DIANE ETHRIDGE CPNP-AC
Nurse Practitioner (Pediatrics, Critical Care)
333 N SANTA ROSA
SAN ANTONIO, TX 78207
Bexar County (210) 704-3030
BONNIE MCILYAR DURLEY DO
Pediatrics
333 N SANTA ROSA
SAN ANTONIO, TX 78207
Bexar County (210) 704-3910
RAQUEL S PAZ
Student in an Organized Health Care Education/Training Program
333 N SANTA ROSA
SAN ANTONIO, TX 78207
Bexar County (760) 912-1125
DR. OLGA M CAJAS MD
Pediatrics
333 N SANTA ROSA
SAN ANTONIO, TX 78207
Bexar County (210) 704-4966
LEA PORCHE M.D.
Obstetrics & Gynecology (Maternal & Fetal Medicine)
333 N SANTA ROSA
SAN ANTONIO, TX 78207
Bexar County (713) 798-1750
SETH T SORENSEN PHD
Clinical Neuropsychologist
333 N SANTA ROSA
SAN ANTONIO, TX 78207
Bexar County (210) 704-3030

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 Lee Armstrong's NPI number?

The NPI number for Lee Armstrong is 1174596670. It was assigned to this individual provider in the NPPES registry on February 7, 2006.

Where is Lee Armstrong located?

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

What is Lee Armstrong's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Emergency Medicine, with taxonomy code 2080P0204X.

Is Lee Armstrong enrolled in Medicare?

Yes. Lee Armstrong is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Lee Armstrong's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Lee Armstrong reassigns Medicare benefits to 3 organizations: Baylor College Of Medicine (San Antonio, TX), Emergency Medicine Services Of Tx, PLLC (San Antonio, TX) and Bexar Emergency Physicians, PLLC (San Antonio, TX). 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 Lee Armstrong's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Lee Armstrong accept?

Health plans from Blue Cross and Blue Shield of Texas, CHRISTUS Health Plan and UnitedHealthcare list Lee Armstrong 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 Lee Armstrong was last updated on February 6, 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.