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

Harold Mark Welch Jr., MD

Individual provider Developmental - Behavioral Pediatrics Physician · NPI 1891908901

Harold Mark Welch Jr., MD is a Developmental - Behavioral Pediatrics Physician in Arlington, 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

3019 Medlin Dr Ste 100
Arlington, TX 76015-2307
Phone: (817) 465-7359
Show map & directions

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

Specialties & licences

Developmental - Behavioral Pediatrics Physician (primary) Taxonomy 2080P0006X · Licence D3438 (TX)

Record details

NPI number1891908901
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMay 7, 2007
Last updated in NPPESJuly 16, 2007
Mailing address3019 Medlin Dr, Suite 100, Arlington, TX 76015-2307

Other providers in Arlington