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

Dr. Mark Douglas Horness, MD

Individual provider Surgery Physician · NPI 1033108998

Dr. Mark Douglas Horness, MD is a Surgery Physician in Midland, Michigan. Licensed in Michigan. Registered with an NPI since 2005.

Licensed in
MI
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

4011 Orchard Dr Ste 2000
Midland, MI 48640-6190
Phone: (989) 631-1221
Fax: (989) 631-6686
Show map & directions

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

Specialties & licences

Surgery Physician (primary) Taxonomy 208600000X · Licence MH047857 (MI)

Record details

NPI number1033108998
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 13, 2005
Last updated in NPPESJuly 13, 2026

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