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

William G Haynes III, MD

Individual provider Internal Medicine Physician · NPI 1083602601

William G Haynes III, MD is an Internal Medicine Physician in Iowa City, Iowa. Licensed in Iowa. Registered with an NPI since 2005.

Licensed in
IA
In the registry since
2005
Specialties on file
2
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

200 Hawkins Dr
Iowa City, IA 52242-1009
Phone: (319) 356-8469
Fax: (319) 353-7340
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 SP 87 (IA)
Clinical Pharmacology Physician Taxonomy 208U00000X · Licence SP 87 (IA)

Record details

NPI number1083602601
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 7, 2005
Last updated in NPPESDecember 4, 2007

Other providers in Iowa City