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

Alexander Greiner, MD, PHD

Individual provider Internal Medicine Physician · NPI 1437840626

Alexander Greiner, MD, PHD is an Internal Medicine Physician in Iowa City, Iowa. Licensed in Iowa. Registered with an NPI since 2023.

Licensed in
IA
In the registry since
2023
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Practice location Address checks out

200 Hawkins Dr
Iowa City, IA 52242-1009
Phone: (319) 356-2034
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence R-12722 (IA)

Record details

NPI number1437840626
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , PHD
Sole proprietorNo
NPI enumeratedMay 17, 2023
Last updated in NPPESMay 17, 2023
Certification dateMay 17, 2023

Other providers in Iowa City