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

Individual provider Pediatric Cardiology Physician · NPI 1437107331

Dr. Gregory Leigh Johnson, MD is a Pediatric Medicine in Austin, Texas. Graduated from Creighton University School of Medicine in 1989, 37 years ago. Practices with Dell Childrens Medical Group, a 115-clinician group and accepts Medicare assignment. Licensed in Texas.

Years since qualifying
37
Trained at
Creighton University School of Medicine
Licensed in
TX
In the registry since
2006
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

4314 Medical Pkwy Ste 200
Austin, TX 78756-3334
Phone: (512) 454-1110
Fax: (512) 374-1354
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pediatric Cardiology Physician (primary) Taxonomy 2080P0202X · Licence K0846 (TX)

Record details

NPI number1437107331
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 4, 2006
Last updated in NPPESJuly 8, 2007
Mailing address4314 Medical Pkwy, Suite 200, Austin, TX 78756-3334

Medicare enrollment

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

Medicare specialtyPEDIATRIC MEDICINE
Medical schoolCREIGHTON UNIVERSITY SCHOOL OF MEDICINE
Graduated 1989 (37 years in practice)
Group practice Dell Childrens Medical Group — 115 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations5 on file with Medicare

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