Active NPI
John Cromwell, MD
- Colon & Rectal Surgery Physician
- Iowa City, IA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Colon & Rectal Surgery Physician
- License
- 38721
- Practice address
- 200 Hawkins Dr
Iowa City, IA 52242-1007 - Phone
- (319) 384-5196
- Fax
- (319) 356-8378
- NPI assigned
- Aug 13, 2006
- Sex
- Male
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 3
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Surgery Physician | 208600000X | 38721 | IA | |
| Colon & Rectal Surgery Physician | 208C00000X | ME88057 | FL | |
| Colon & Rectal Surgery Physician | 208C00000X | 38721 | IA | Primary |
Addresses
Primary practice location
200 Hawkins Dr
Iowa City, IA 52242-1007
Mailing address
200 Hawkins Dr
Iowa City, IA 52242-1009
Phone (319) 384-7359
Other practice location 1
500 E Market St
Iowa City, IA 52245-2633
Phone (319) 339-3551
Other identifiers 2
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 267613300 | Medicaid | FL | |
| 71809 | Other | FL | BLUE CROSS BLUE SHIELD |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in IA
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Colorectal Surgery (Proctology)
- Education
- University of Minnesota, Duluth School of Medicine, 1994
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
200 Hawkins Dr
Iowa City, IA 52242-1009
Phone (319) 356-1616
500 E Market St
University of Iowa Health Care Medical Cent
Iowa City, IA 52245-2633
Phone (319) 339-0300
Hospital & facility affiliations
- University of Iowa Hospital & Clinics
Merit-based Incentive Payment System (MIPS)
- Final score
- 80.02 of 100
- Quality
- 75.68
- Promoting interoperability
- 78
- Improvement activities
- 40
Procedures performed for Medicare patients
| Procedure | Number of procedures |
|---|---|
| Removal of skin lesions | 1-10 |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| ME88057 | FL | MD | Colon & Rectal Surgery Physician |
| 38721 | IA | MD | Colon & Rectal Surgery Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| State University of Iowa | Surgery | Current | Accepting new patients |
| University Medical Service Association Inc | Past | Accepting new patients | |
| State University of Iowa | Past | Accepting new patients |
Locations
500 E Market St
Iowa City, IA 52245
Phone (319) 339-0300
200 Hawkins Dr
#H
Iowa City, IA 52242
Phone (319) 356-1616
200 Hawkins Dr
Iowa City, IA 52242
Phone (319) 356-1616
502 N 9th Ave
Vinton, IA 52349
Phone (319) 472-6200
Interoperability endpoints
- jcromwell52291@uihcdirect.org
Organizations & group practices 3
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.
-
- Student Health Clinic/Center
- Iowa City, IA
- NPI 1285635664
-
- Durable Medical Equipment & Medical Supplies
- Tampa, FL
- NPI 1194276576
Hospital & facility affiliations 1
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Iowa City, IA
- NPI 1376544320
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1155427200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1786665600000",
"number": "1174535504",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "200 HAWKINS DR",
"city": "IOWA CITY",
"state": "IA",
"postal_code": "522421009",
"telephone_number": "319-384-7359",
"fax_number": "319-356-8378"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "200 HAWKINS DR",
"city": "IOWA CITY",
"state": "IA",
"postal_code": "522421007",
"telephone_number": "319-384-5196",
"fax_number": "319-356-8378"
}
],
"practiceLocations": [
{
"address_1": "500 E Market St",
"address_purpose": "LOCATION",
"city": "Iowa City",
"state": "IA",
"postal_code": "522452633",
"country_code": "US",
"telephone_number": "319-339-3551",
"fax_number": "319-248-7945",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "CROMWELL",
"first_name": "JOHN",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-08-13",
"last_updated": "2026-08-14",
"certification_date": "2026-08-14",
"status": "A"
},
"taxonomies": [
{
"code": "208600000X",
"taxonomy_group": "",
"desc": "Surgery",
"state": "IA",
"license": "38721",
"primary": false
},
{
"code": "208C00000X",
"taxonomy_group": "",
"desc": "Colon & Rectal Surgery",
"state": "FL",
"license": "ME88057",
"primary": false
},
{
"code": "208C00000X",
"taxonomy_group": "",
"desc": "Colon & Rectal Surgery",
"state": "IA",
"license": "38721",
"primary": true
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "267613300",
"state": "FL"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "BLUE CROSS BLUE SHIELD",
"identifier": "71809",
"state": "FL"
}
],
"endpoints": [],
"other_names": []
}
Other providers in Iowa City, IA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 14, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.