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

R. Mark Williams MD APMC

Organization Otolaryngology Physician · NPI 1912168014

R. Mark Williams MD APMC is an Otolaryngology Physician in Lake Charles, Louisiana. Licensed in Louisiana. Registered with an NPI since 2008.

Licensed in
LA
In the registry since
2008
What do these letters mean?
APMC — A professional medical corporation
A form of business registration, not a clinical qualification.

See every abbreviation used in this directory →

Practice location Address checks out

501 Dr Michael Debakey Dr
Lake Charles, LA 70601-5724
Phone: (337) 477-6172
Fax: (337) 477-1422
Show map & directions

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

Specialties & licences

Otolaryngology Physician (primary) Taxonomy 207Y00000X · Licence 016891 (LA)

Record details

NPI number1912168014
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Roger Williams — Physician/Owner · (337) 477-6172
NPI enumeratedJune 20, 2008
Last updated in NPPESJune 21, 2018
Mailing addressPo Box 4388, Lake Charles, LA 70606-4388

Other providers in Lake Charles