Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Stephen Alexander Harding, MD

Individual provider Pediatric Medical Toxicology Physician · NPI 1205239332

Dr. Stephen Alexander Harding, MD is an Emergency Medicine in Houston, Texas. Graduated from University of Texas Medical School at Houston in 2013, 13 years ago. Practices with Baylor College of Medicine, a 798-clinician group, works from 4 locations and accepts Medicare assignment. Licensed in New York and Texas.

Years since qualifying
13
Trained at
University of Texas Medical School at Houston
Licensed in
NY, TX
In the registry since
2014
Specialties on file
5
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

6621 Fannin St
Houston, TX 77030-2358
Phone: (832) 824-1000
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (3)

  • 455 1st Ave, New York, NY 10016-9102 — (713) 818-6043
  • 7200 Cambridge St, Houston, TX 77030-4202 — (713) 798-2400
  • 6720 Bertner Ave, Houston, TX 77030-2604 — (832) 355-2666

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence R7754 (TX)
Pediatric Medical Toxicology Physician Taxonomy 2080T0002X · Licence 286783-1 (NY)
Emergency Medicine Physician Taxonomy 207P00000X · Licence 286783-1 (NY)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X
Medical Toxicology (Emergency Medicine) Physician Taxonomy 207PT0002X · Licence 286783-1 (NY)

Record details

NPI number1205239332
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 3, 2014
Last updated in NPPESOctober 10, 2025
Certification dateOctober 10, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyEMERGENCY MEDICINE
Medical schoolUNIVERSITY OF TEXAS MEDICAL SCHOOL AT HOUSTON
Graduated 2013 (13 years in practice)
Group practice Baylor College Of Medicine — 798 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare