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

Mark a Johnson, MD, PA

Organization Surgery Physician · NPI 1558381376

Mark a Johnson, MD, PA is a Surgery Physician in Conroe, Texas. Registered with an NPI since 2006.

In the registry since
2006
What do these letters mean?
PA — Professional association
A form of business registration, not a clinical qualification.

See every abbreviation used in this directory →

Practice location Address checks out

100 Medical Center Blvd Ste 100
Conroe, TX 77304-2821
Phone: (936) 271-0665
Fax: (936) 271-0664
Show map & directions

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

Specialties & licences

Surgery Physician (primary) Taxonomy 208600000X

Record details

NPI number1558381376
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Mark Johnson — Porvider · (936) 271-0665
NPI enumeratedJuly 21, 2006
Last updated in NPPESNovember 23, 2022
Certification dateNovember 23, 2022
Mailing address15713 Lakeway Dr, Willis, TX 77318-3181

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