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

Andrew Lee Walsh III, MD

Individual provider Critical Care Medicine (Internal Medicine) Physician · NPI 1730123548

Andrew Lee Walsh III, MD is a Pulmonary Disease in San Marcos, Texas. Graduated from University of Texas Medical School at San Antonio in 1987, 39 years ago. Practices with Mercy Clinic Joplin LLC, a 295-clinician group, works from 5 locations and accepts Medicare assignment. Licensed in Missouri and Texas.

Years since qualifying
39
Trained at
University of Texas Medical School at San Antonio
Licensed in
MO, TX
In the registry since
2006
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1301 Wonder World Dr
San Marcos, TX 78666-7533
Phone: (210) 600-2862
Show map & directions

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

Additional practice locations (4)

  • 525 Branson Landing Blvd Ste 306, Branson, MO 65616-2140 — (417) 335-7559
  • 1445 Hanz Dr, New Braunfels, TX 78130-2567 — (830) 627-7600
  • 600 N Union Ave, New Braunfels, TX 78130-4194 — (210) 602-2862
  • 8715 Village Dr Ste 612, San Antonio, TX 78217-5407 — (210) 600-2862

Specialties & licences

Pulmonary Disease Physician (primary) Taxonomy 207RP1001X · Licence H4777 (TX)
Critical Care Medicine (Internal Medicine) Physician Taxonomy 207RC0200X · Licence H4777 (TX)
Pulmonary Disease Physician Taxonomy 207RP1001X · Licence R3L22 (MO)

Record details

NPI number1730123548
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJune 15, 2006
Last updated in NPPESOctober 11, 2024
Certification dateOctober 11, 2024

Medicare enrollment

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

Medicare specialtyPULMONARY DISEASE
Medical schoolUNIVERSITY OF TEXAS MEDICAL SCHOOL AT SAN ANTONIO
Graduated 1987 (39 years in practice)
Group practice Mercy Clinic Joplin Llc — 295 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations10 on file with Medicare

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