Dr. John W. Cromwell
- Gender: Male
- Experience: 27 years
- Graduated from: University Of Minnesota, Duluth School Of Medicine
- Graduation year: 1994
- Sole propriator: No
- NPI: 1174535504
Dr. John W. Cromwell MD
Colorectal Surgeon
He is located at 200 Hawkins Drive in Iowa City, IA 52242. Can help patients with the following: Achalasia, Anal Fissure, Enlarged Spleen, Gallstones, Heart Disease, Sebaceous Cyst. His National Provider Identifier (NPI) number is 1174535504. Appointment can be made via the phone number (319) 384-5196. He is affiliated with 1 hospitals.
Conditions treated
Dr. John Cromwell, being an colorectal surgeon, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Dr. John W. Cromwell.
- Achalasia
- Anal Fissure
- Appendicitis
- Boils
- Cancer
- Colon Cancer
- Crohn's Disease
- Cyst
- Diverticulosis
- Enlarged Spleen
- Esophageal Cancer
- Gallstones
- Gangrene
- Heart Disease
- Hemorrhoids
- Hernia
- Inflammatory Bowel Disease (IBD)
- Lymphedema
- Pancreatitis
- Peptic Ulcer
- Pilonidal Cyst
- Sebaceous Cyst
- Ulcerative Colitis
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. John W. Cromwell as in-network for the following 2026 plans.
Health plans
Ambetter Health
Network data as of Sep 15, 2026, as reported by the insurer.
Show all 16 plans from Ambetter Health
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Complete Gold | HMO · Gold | Preferred | Accepting new patients |
| Complete Gold + Vision + Adult Dental | HMO · Gold | Preferred | Accepting new patients |
| Elite Bronze | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Elite Bronze + Vision + Adult Dental | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Everyday Bronze | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Everyday Bronze + Vision + Adult Dental | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Everyday Gold | HMO · Gold | Preferred | Accepting new patients |
| Everyday Gold + Vision + Adult Dental | HMO · Gold | Preferred | Accepting new patients |
| Focused Silver | HMO · Silver | Preferred | Accepting new patients |
| Focused Silver + Vision + Adult Dental | HMO · Silver | Preferred | Accepting new patients |
| Standard Expanded Bronze | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Standard Expanded Bronze + Vision + Adult Dental | HMO · Expanded Bronze | Preferred | Accepting new patients |
| Standard Gold | HMO · Gold | Preferred | Accepting new patients |
| Standard Gold + Vision + Adult Dental | HMO · Gold | Preferred | Accepting new patients |
| Standard Silver | HMO · Silver | Preferred | Accepting new patients |
| Standard Silver + Vision + Adult Dental | HMO · Silver | Preferred | Accepting new patients |
Medica
Network data as of Mar 2, 2026, as reported by the insurer.
Show all 18 plans from Medica
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Medica Insure Bronze $0 Copay PCP Visits | EPO · Expanded Bronze | Preferredtier | Accepting new patients |
| Medica Insure Bronze $0 Copay PCP Visits | EPO · Expanded Bronze | Standardtier | Accepting new patients |
| Medica Insure Bronze Share | EPO · Expanded Bronze | Preferredtier | Accepting new patients |
| Medica Insure Bronze Share | EPO · Expanded Bronze | Standardtier | Accepting new patients |
| Medica Insure Expanded Bronze Standard | EPO · Expanded Bronze | Preferredtier | Accepting new patients |
| Medica Insure Expanded Bronze Standard | EPO · Expanded Bronze | Standardtier | Accepting new patients |
| Medica Insure Gold $0 Copay PCP Visits | EPO · Gold | Preferredtier | Accepting new patients |
| Medica Insure Gold $0 Copay PCP Visits | EPO · Gold | Standardtier | Accepting new patients |
| Medica Insure Gold Share | EPO · Gold | Preferredtier | Accepting new patients |
| Medica Insure Gold Share | EPO · Gold | Standardtier | Accepting new patients |
| Medica Insure Gold Standard | EPO · Gold | Preferredtier | Accepting new patients |
| Medica Insure Gold Standard | EPO · Gold | Standardtier | Accepting new patients |
| Medica Insure Silver $0 Copay PCP Visits | EPO · Silver | Preferredtier | Accepting new patients |
| Medica Insure Silver $0 Copay PCP Visits | EPO · Silver | Standardtier | Accepting new patients |
| Medica Insure Silver Share | EPO · Silver | Preferredtier | Accepting new patients |
| Medica Insure Silver Share | EPO · Silver | Standardtier | Accepting new patients |
| Medica Insure Silver Standard | EPO · Silver | Preferredtier | Accepting new patients |
| Medica Insure Silver Standard | EPO · Silver | Standardtier | Accepting new patients |
Oscar Insurance Company
Network data as of Sep 15, 2026, as reported by the insurer.
Show all 10 plans from Oscar Insurance Company
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Bronze Classic 4700 | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Bronze Classic Standard | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Bronze Elite + PCP Saver Plus | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Gold Classic Standard | EPO · Gold | Preferred | Accepting new patients |
| Gold Elite | EPO · Gold | Preferred | Accepting new patients |
| Secure | EPO · Catastrophic | Preferred | Accepting new patients |
| Silver Classic | EPO · Silver | Preferred | Accepting new patients |
| Silver Classic Standard | EPO · Silver | Preferred | Accepting new patients |
| Silver Simple Diabetes | EPO · Silver | Preferred | Accepting new patients |
| Silver Simple PCP Saver | EPO · Silver | Preferred | Accepting new patients |
Wellmark Health Plan of Iowa, Inc.
Network data as of Sep 8, 2026, as reported by the insurer.
Show all 10 plans from Wellmark Health Plan of Iowa, Inc.
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Wellmark Bronze HDHP HMO HSA Qualified | HMO · Expanded Bronze | Wellmark Blue HMO Network | Accepting new patients |
| Wellmark Bronze Standard | UnityPoint Health | HMO · Expanded Bronze | Wellmark Blue HMO Unitypoint Health Network | Accepting new patients |
| Wellmark Bronze Traditional HMO | HMO · Expanded Bronze | Wellmark Blue HMO Network | Accepting new patients |
| Wellmark Gold Primary Care | UnityPoint Health | HMO · Gold | Wellmark Blue HMO Unitypoint Health Network | Accepting new patients |
| Wellmark Gold Traditional HMO | HMO · Gold | Wellmark Blue HMO Network | Accepting new patients |
| Wellmark Silver Primary Care | UnityPoint Health | HMO · Silver | Wellmark Blue HMO Unitypoint Health Network | Accepting new patients |
| Wellmark Silver Traditional HMO | HMO · Silver | Wellmark Blue HMO Network | Accepting new patients |
| Wellmark Standard Bronze HMO | HMO · Expanded Bronze | Wellmark Blue HMO Network | Accepting new patients |
| Wellmark Standard Gold HMO | HMO · Gold | Wellmark Blue HMO Network | Accepting new patients |
| Wellmark Standard Silver HMO | HMO · Silver | Wellmark Blue HMO Network | Accepting new patients |
This covers ACA Marketplace plans only, as reported by each insurer. It does not include employer, Medicare Advantage, or state-run exchange plans, and a plan missing from this list does not mean Dr. John W. Cromwell is out of network. Insurer directories can be out of date, so always confirm with the insurer and the office before your visit.
Medicare Enrollment
Dr. John W. Cromwell is enrolled to bill Medicare as a Practitioner - Colorectal Surgery (proctology) (also registered under: Practitioner - General Surgery) .
Bills through: State University Of Iowa
Based on Medicare's public enrollment records as of Sep 29, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.
Payments received
Drug payment
| Applied Medical | $12040 |
| Medtronic | $921 |
| Surgiquest | $41 |
Other
| Consulting | $5760 |
| Travel and Lodging | $5634 |
| Other | $1000 |
| Food and Beverage | $643 |
Studies
UNIVERSITY OF MINNESOTA, DULUTH SCHOOL OF MEDICINE
Graduated in 1994Additional Specialities
- Surgeon
Looking for more Colorectal Surgeons?
Here are colorectal surgeons in Iowa you may want to explore.
- Gender: Male
- Address: Suite 135 5950 University Avenue West Des Moines, 50266, IA
- Gender: Male
- Address: Suite 2100 411 Laurel Street Des Moines, 50314, IA
- Gender: Female
- Address: Suite 211 1212 Pleasant Street Des Moines, 50309, IA
- Gender: Male
- Address: Suite 211 1212 Pleasant Street Des Moines, 50309, IA
- Gender: Female
- Address: 200 Hawkins Drive Iowa City, 52242, IA
- Gender: Female
- Address: 200 Hawkins Drive Iowa City, 52242, IA
- Gender: Female
- Address: Suite 211 1212 Pleasant Street Des Moines, 50309, IA
- Gender: Female
- Address: 200 Hawkins Drive Iowa City, 52242, IA
- Gender: Male
- Address: Suite 2100 411 Laurel Street Des Moines, 50314, IA
Questions & Answers
What conditions does Dr. John Cromwell treat?
Dr. John Cromwell provides treatment for Achalasia, Anal Fissure, Enlarged Spleen, Gallstones, Heart Disease, Sebaceous Cyst. For the full list see this list.
Has Dr. John Cromwell affiliation with hospitals?
Dr. John Cromwell is affiliated with UNIVERSITY OF IOWA HOSPITAL & CLINICS.
Where can you meet with Dr. John Cromwell?
Dr. John Cromwell's office is located at 200 Hawkins Drive in Iowa City, IA 52242.
Does Dr. John Cromwell accept patients with Medica?
Yes, Dr. John Cromwell is listed in-network for Medica through the ACA Marketplace (Obamacare/HealthCare.gov). See the Marketplace plans section for details.