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

Mark K Santillan, MD

Individual provider Maternal & Fetal Medicine Physician · NPI 1114137668

Mark K Santillan, MD is an Obstetrics/Gynecology in Iowa City, Iowa. Graduated from Loyola University of Chicago, Stritch School of Medicine in 2002, 24 years ago. Practices with State University of Iowa, a 1,885-clinician group, works from 5 locations and accepts Medicare assignment. Licensed in Iowa.

Years since qualifying
24
Trained at
Loyola University of Chicago, Stritch School of Medicine
Licensed in
IA
In the registry since
2007
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) 356-1616
Fax: (319) 384-6004
Show map & directions

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

Additional practice locations (4)

  • 105 E 9th St, Coralville, IA 52241-2209 — (319) 467-2000
  • 3385 Dexter Ct Ste 110, Davenport, IA 52807-3475 — (563) 355-2244
  • 1360 N Dodge St, Iowa City, IA 52245-6114 — (319) 356-2294
  • 500 E Market St, Iowa City, IA 52245-2633 — (319) 339-3551

Specialties & licences

Maternal & Fetal Medicine Physician (primary) Taxonomy 207VM0101X · Licence MD-36593 (IA)
Obstetrics & Gynecology Physician Taxonomy 207V00000X · Licence MD-36593 (IA)

Record details

NPI number1114137668
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 23, 2007
Last updated in NPPESDecember 16, 2025
Certification dateDecember 16, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyOBSTETRICS/GYNECOLOGY
Medical schoolLOYOLA UNIVERSITY OF CHICAGO, STRITCH SCHOOL OF MEDICINE
Graduated 2002 (24 years in practice)
Group practice State University Of Iowa — 1885 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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