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

Dr. John B Marshall, MD

Individual provider Emergency Medicine Physician · NPI 1437135563

Dr. John B Marshall, MD practises Emergency Medicine in Dallas, Texas. Graduated from Texas Tech University Health Science Center School of Medicine in 2002, 24 years ago. Practices with Paragon Emergency Services LLC, a 406-clinician group and accepts Medicare assignment. Licensed in Texas.

Years since qualifying
24
Trained at
Texas Tech University Health Science Center School of Medicine
Licensed in
TX
In the registry since
2005
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

7777 Forest Ln
Dallas, TX 75230-2505 Not confirmed with CMS for 12 years — call before visiting
Phone: (972) 758-3598
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence M0164 (TX)

Record details

NPI number1437135563
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedDecember 20, 2005
Last updated in NPPESJuly 9, 2014

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolTEXAS TECH UNIVERSITY HEALTH SCIENCE CENTER SCHOOL OF MEDICINE
Graduated 2002 (24 years in practice)
Group practice Paragon Emergency Services Llc — 406 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

  • Hca Florida Memorial Hospital Hospital · Jacksonville, FL

Colleagues at Paragon Emergency Services LLC

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 406 clinicians in the practice; 12 are shown here.

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