Neurosurgeons in Iowa
Data updated monthly · Last refresh October 2026
71 Neurological Surgery providers practice in Iowa, including 3 (4%) offering telehealth. The largest concentration is in Iowa City. Profiles include federal Open Payments records of money received from drug and device companies in 2025. Listings are drawn from federal public records and are not endorsements.
71providers
3telehealth
Iowa Citytop city
Neurological Surgery by city in Iowa
Choose a city to see providers there.
Where Neurosurgeons in Iowa practice
From CMS Medicare enrollment records covering 26 of the 71 providers listed here (37%). Providers who do not bill Medicare are not included in these figures.
Largest practice groups
| Group (as registered with Medicare) | Neurosurgeons | All clinicians in group | Main city |
| State University of Iowa | 13 | 1,886 | Iowa City |
| Progressive Rehabilitation Associates LLC | 6 | 275 | Iowa City |
| The Iowa Clinic PC | 5 | 307 | Des Moines |
| Mercy Clinics Inc. | 3 | 441 | Des Moines |
| North Iowa Mercy Clinics | 2 | 304 | Mason City |
Hospitals where they hold privileges
| Hospital | City | Ownership | CMS star rating | Neurosurgeons affiliated |
| University of Iowa Hospital & Clinics | Iowa City | Government | 2 of 5 | 12 |
| University of Iowa Health Care Medical Center Down | Iowa City | Nonprofit | 4 of 5 | 11 |
| St Lukes Hospital | Cedar Rapids | Nonprofit | 4 of 5 | 7 |
| Unitypoint Health - Des Moines Iowa Methodist Medi | Des Moines | Nonprofit | 3 of 5 | 6 |
| Genesis Medical Center-Davenport | Davenport | Nonprofit | 2 of 5 | 4 |
Sources: CMS Doctors and Clinicians (August 2026) and Facility Affiliation files (August 2026); hospital ownership type and overall star rating from CMS Hospital General Information (July 2026). A clinician in several groups is counted once, in the largest group they bill through. Ownership type is what the hospital reports to CMS; it does not show private equity or other investor ownership. How we build this directory.
Neurological Surgery providers in Iowa
Listed by city, largest first. Payment figures come from the federal Open Payments program, which requires drug and device companies to report what they pay physicians for consulting, speaking, meals, travel and royalties. A disclosed payment is a financial relationship, not evidence of wrongdoing, and many totals reflect a single meal. Figures cover calendar year 2025.
Dr. Gregory Brandenberg, MD, PH.D. Dr. Chad Abernathey, M.D.Cedar Rapids, IA · No drug or device payments recorded (2025) ·
(319) 363-4622 Dr. Daniela Alexandru-abrams, MDCedar Rapids, IA · No drug or device payments recorded (2025) ·
(319) 541-7684 Dr. Darin Smith, MDCedar Rapids, IA · $237 in drug and device payments (2025) ·
(319) 398-6870 Dr. David Segal, M.D.Cedar Rapids, IA · $174 in drug and device payments (2025) ·
(319) 423-7200 Dr. James Lamorgese, M.D.Cedar Rapids, IA · No drug or device payments recorded (2025) ·
(319) 369-7391 Dr. Jeannette Liu, MDCedar Rapids, IA · $681 in drug and device payments (2025) ·
(319) 369-7085 Dr. Loren Mouw, M.D.Cedar Rapids, IA · No drug or device payments recorded (2025) ·
(319) 221-8570 Dr. Mary Hlavin, M.D.Cedar Rapids, IA · No drug or device payments recorded (2025) ·
(319) 369-7085 Dr. Steven Schopick, MDCedar Rapids, IA · $1,599 in drug and device payments (2025) ·
(319) 221-8966 Dr. Eugene Collins, MDDavenport, IA · No drug or device payments recorded (2025) ·
(563) 322-6666 Dr. Todd Ridenour, MDDavenport, IA · No drug or device payments recorded (2025) ·
(563) 383-2763 Dr. David Boarini, M.D.Des Moines, IA · No drug or device payments recorded (2025) ·
(515) 875-9560 Dr. David Christianson, MDDes Moines, IA · $202 in drug and device payments (2025) ·
(515) 875-9560 Dr. Einar Bogason, M.D.Des Moines, IA · $571 in drug and device payments (2025) ·
(515) 358-0100 Dr. Esmiralda Yeremeyeva Henderson, MDDes Moines, IA · No drug or device payments recorded (2025) ·
(515) 358-0100 Dr. John Piper, M.D.Des Moines, IA · $77 in drug and device payments (2025) ·
(515) 875-9560 Dr. Joseph Sherrill, MDDes Moines, IA · $61 in drug and device payments (2025) ·
(515) 875-9560 Dr. Royce Woodroffe, M.D.Des Moines, IA · $270 in drug and device payments (2025) ·
(515) 875-9560 Dr. Scott Seaman, M.D.Des Moines, IA · $373 in drug and device payments (2025) ·
(515) 875-9560 Dr. Thomas Carlstrom, M.D.Des Moines, IA · No drug or device payments recorded (2025) ·
(515) 241-5760 Dr. Timothy Ryken, MDDes Moines, IA · No drug or device payments recorded (2025) ·
(515) 241-5760 Dr. Troy Munson, M.D.Des Moines, IA · $643 in drug and device payments (2025) ·
(515) 358-0100 Dr. Zoya Voronovich, MDDes Moines, IA · $5,111 in drug and device payments (2025) ·
(515) 358-0100 Dr. Catherine Miller-simington, M.D.Dubuque, IA · $229 in drug and device payments (2025) ·
(563) 557-5971 Dr. Abhinav SrinathIowa City, IA · No drug or device payments recorded (2025) ·
(319) 356-1616 Dr. Ahmed Massoud, MDIowa City, IA · No drug or device payments recorded (2025) ·
(713) 517-6500 Dr. Anthony Marincovich, MDIowa City, IA · $54 in drug and device payments (2025) ·
(319) 335-6707 Dr. Asad Lak, MDIowa City, IA · $54 in drug and device payments (2025) ·
(319) 356-7643 Dr. Asimina Dominari, MDIowa City, IA · No drug or device payments recorded (2025) ·
(319) 356-2586 Dr. Brian Dlouhy, M.D.Iowa City, IA · No drug or device payments recorded (2025) ·
(319) 356-2542 Dr. Clayton Rosinski, MDIowa City, IA · No drug or device payments recorded (2025) ·
(319) 356-7643 Dr. Dia Al Haq Al Halalmeh, MDIowa City, IA · No drug or device payments recorded (2025) ·
(515) 281-5171 Dr. Gorbachev Jowah, MDIowa City, IA · No drug or device payments recorded (2025) ·
(319) 356-7643 Dr. Hiroto Kawasaki, MDIowa City, IA · No drug or device payments recorded (2025) ·
(319) 384-8239 Dr. Hiroyuki Oya, MDIowa City, IA · No drug or device payments recorded (2025) ·
(319) 353-8452 Dr. Inanc Cagiran, MDIowa City, IA · No drug or device payments recorded (2025) ·
(319) 356-2237 Dr. Jack McnultyIowa City, IA · $96 in drug and device payments (2025) ·
(319) 353-8507 Dr. Jacob Dillard, MD, PHDIowa City, IA · No drug or device payments recorded (2025) ·
(319) 356-7643 Dr. Jangbo Lee, MDIowa City, IA · $1,383 in drug and device payments (2025) ·
(319) 353-7116 Dr. Jeremy Greenlee, MDIowa City, IA · $54 in drug and device payments (2025) · Telehealth ·
(319) 356-2771 Dr. Jordan Krieg, MDIowa City, IA · $54 in drug and device payments (2025) ·
(319) 356-7643 Dr. Joshua Bauer, MD, MSIowa City, IA · No drug or device payments recorded (2025) ·
(319) 356-2237 Dr. Juan Vivanco Suarez, MDIowa City, IA · No drug or device payments recorded (2025) ·
(319) 356-7643 Dr. Katherine Jensen, MDIowa City, IA · No drug or device payments recorded (2025) ·
(319) 356-7643 Dr. Kathleen Dlouhy, M.D.Iowa City, IA · No drug or device payments recorded (2025) · Telehealth ·
(319) 356-1616 Dr. Lina Marenco Hillembrand, MDIowa City, IA · No drug or device payments recorded (2025) ·
(319) 356-7643 Dr. Mani Ratnesh SandhuIowa City, IA · No drug or device payments recorded (2025) ·
(319) 356-7643 Dr. Mario Zanaty, M.D.Iowa City, IA · $31,079 in drug and device payments (2025) · Telehealth ·
(319) 356-2237 Dr. Mark Dougherty, MDIowa City, IA · No drug or device payments recorded (2025) ·
(319) 356-7642 Conditions Neurological Surgery providers in Iowa commonly treat
Patients often search by condition rather than specialty. These are conditions typically managed by Neurological Surgery providers. Individual practices vary, so confirm with the provider before booking.
- Herniated disc
- Brain tumors
- Spinal stenosis
- Trigeminal neuralgia
Common questions
How many Neurological Surgery providers are in Iowa?There are 71 Neurological Surgery providers with active NPI records practicing in Iowa, according to federal NPPES data refreshed monthly.
Do Neurological Surgery providers in Iowa offer telehealth?Yes. 3 of the 71 Neurological Surgery providers in Iowa (about 4%) report offering telehealth services in CMS data.
Which cities in Iowa have the most Neurological Surgery providers?Iowa City (40), Des Moines (12), Cedar Rapids (9) have the highest concentration of Neurological Surgery providers in Iowa.
How many Neurological Surgery providers in Iowa received drug or device company payments?32 of 71 Neurological Surgery providers in Iowa (45%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.
What conditions do Neurological Surgery providers in Iowa treat?Neurological Surgery providers commonly treat herniated disc, brain tumors, spinal stenosis, trigeminal neuralgia and related conditions. Individual practices vary, so confirm with the provider before booking.
Where does this data come from?Provider counts and profiles come from the federal NPPES registry and CMS Doctors and Clinicians files. Payment figures come from the CMS Open Payments program for calendar year 2025. The directory refreshes monthly.
Which hospitals do Neurosurgeons in Iowa work at?According to CMS facility affiliation records, the Iowa hospitals where the most Neurosurgeons hold privileges are University of Iowa Hospital & Clinics in Iowa City; University of Iowa Health Care Medical Center Down in Iowa City; St Lukes Hospital in Cedar Rapids.
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