Dr. Mark W Grier , MD
Pediatrics • Austin, TX
Professional Overview & Biography Verified Profile Summary
Dr. Mark Grier, MD is a registered healthcare professional specializing in Pediatrics in Austin, TX. Practice services are available at 1301 S, CAPITAL OF TEXAS HWY under active NPI credentials.
Practice Location & Contact Primary Location
1301 S, Capital Of Texas Hwy
Building A Ste.230
Austin, TX 78746
Specialty Benchmarks & Practice Insights
Comparative analytics for Pediatrics in Austin, TX
Practicing in Austin, TX (5841 Statewide)
In-Person Office Visits Only
Under CMS Medicare Fee Schedule vs Standard Submitted Charges
Medical Specialties & State Licenses
CMS Verified: 2026-03-24NUCC Taxonomy Code: 208000000X
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
Additional State Medicaid & Healthcare Payer Identifiers
Practice Associates & Co-Workers
Healthcare professionals and specialists practicing at this location or sharing practice phone/fax
Pediatrics
Doctor of Medicine (M.D.)
Pediatrics
Doctor of Medicine (M.D.)
Pediatrics
Doctor of Medicine (M.D.)
Pediatrics
Doctor of Medicine (M.D.)
Physician Assistant - Medical
Physician Assistant (Certified)
Career & Practice History Timeline
Chronological log of verified NPI updates, location relocations, credentials, and registry changes
Registered at 1301 S, CAPITAL OF TEXAS HWY, BUILDING A STE.230, AUSTIN, TX 78746 (Tel: 5123287666)
Registered at 1301 S, CAPITAL OF TEXAS HWY, BUILDING A STE.230, AUSTIN, TX 78746 (Tel: 5123287666)
NPI status registered as active in NPPES database
Registered at 4515 SETON CENTER PKWY #220, AUSTIN, TX 787595784 (Tel: 5123388388)
Registered at PO BOX 26726, AUSTIN, TX 787550726 (Tel: 5124078686)
Recorded as MARK GRIER, MD
Pediatrics (License #M2962 in TX)
First registered as active Individual Practitioner in NPPES Database.
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NPI Administrative Meta
Mailing Address
1301 S, Capital Of Texas Hwy, Building A Ste.230
Austin, TX 78746
Phone: 5123287666
This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.