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

Mark B Layman, MD

Individual provider Internal Medicine Physician · NPI 1790789303

Mark B Layman, MD is an Internal Medicine Physician in Seminole, Texas. Practices as a sole proprietor. Licensed in Texas.

Licensed in
TX
In the registry since
2005
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

208 NW 8th St Ste 1
Seminole, TX 79360-3448
Phone: (432) 758-6363
Fax: (432) 758-6550
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence K9104 (TX)

Record details

NPI number1790789303
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJune 10, 2005
Last updated in NPPESJune 28, 2010
Mailing addressPo Box 836, Loop, TX 79342-0836