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

Dr. John Parks Trowbridge, MD

Individual provider Medical Toxicology (Preventive Medicine) Physician · NPI 1538291109

Dr. John Parks Trowbridge, MD is a Medical Toxicology (Preventive Medicine) Physician in Humble, Texas. Practices as a sole proprietor. Licensed in Texas.

Licensed in
TX
In the registry since
2007
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

9816 Memorial Blvd Ste 205
Humble, TX 77338-4255
Phone: (281) 540-2329
Fax: (281) 540-4329
Show map & directions

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

Specialties & licences

Medical Toxicology (Preventive Medicine) Physician (primary) Taxonomy 2083T0002X · Licence F0052 (TX)

Record details

NPI number1538291109
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMarch 9, 2007
Last updated in NPPESApril 11, 2013