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

Mark Andrew Nelson, MD

Individual provider Internal Medicine Physician · NPI 1396972279

Mark Andrew Nelson, MD is an Internal Medicine Physician in Ann Arbor, Michigan. Works from 2 locations. Licensed in Colorado and Michigan.

Licensed in
CO, MI
In the registry since
2009
Specialties on file
3
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

1500 E Medical Center Dr
Ann Arbor, MI 48109-5000
Phone: (734) 936-4000
Show map & directions

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

Additional practice locations (1)

  • 1960 N Ogden St Ste 120, Denver, CO 80218 — (303) 318-3840

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 4301516444 (MI)
Internal Medicine Physician Taxonomy 207R00000X · Licence 51124 (CO)
Hospitalist Physician Taxonomy 208M00000X · Licence 51124 (CO)

Record details

NPI number1396972279
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 17, 2009
Last updated in NPPESJune 1, 2026
Certification dateJune 1, 2026

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