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

Dr. Mark S Harrison, MD

Individual provider Infectious Disease Physician · NPI 1346278108

Dr. Mark S Harrison, MD is an Infectious Disease Physician in Saint Joseph, Michigan. Licensed in Michigan. Registered with an NPI since 2006.

Licensed in
MI
In the registry since
2006
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

1234 Napier Ave
Saint Joseph, MI 49085-2112
Phone: (269) 471-1700
Fax: (269) 471-1975
Show map & directions

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

Specialties & licences

Infectious Disease Physician (primary) Taxonomy 207RI0200X · Licence 4301407295 (MI)

Record details

NPI number1346278108
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 29, 2006
Last updated in NPPESMarch 7, 2023
Mailing address31 N Saint Joseph Ave, Niles, MI 49120-2207

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