GRANT MATTHEW HENNING MD
NPI 1851885818
Urology in Iowa City, IA
About Grant Matthew Henning Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GRANT MATTHEW HENNING MD (NPI 1851885818) is an individual urology provider in Iowa City, Iowa, licensed in Iowa (MD-55103) and active in the NPI registry since June 2018. He is enrolled in Medicare PECOS, is affiliated with University Of Iowa Health Care Medical Center Down, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Grant Matthew Henning Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
4Medicare enrollment records show Grant Henning reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Iowa City, IA 52242
- Reassigned Medicare billing, Iowa enrollment
- 2,190 clinicians in this Medicare group
Waterloo, IA 50703
- Reassigned Medicare billing, Iowa enrollment
- 273 clinicians in this Medicare group
Rochester, MN 55905
- Reassigned Medicare billing, Minnesota enrollment
- 6,534 clinicians in this Medicare group
Waseca, MN 56093
- Reassigned Medicare billing, Minnesota enrollment
- 1,572 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
University Of Iowa Health Care Medical Center Down
Acute Care Hospitals · Iowa City, IAUniversity Of Iowa Hospital & Clinics
Acute Care Hospitals · Iowa City, IAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 52242 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
IOWA CITY, IA 52242
IOWA CITY, IA 52242
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Grant Henning's NPI number?
The NPI number for Grant Henning is 1851885818. It was assigned to this individual provider in the NPPES registry on June 21, 2018.
Where is Grant Henning located?
Grant Henning practices at 200 Hawkins Dr, Iowa City, IA 52242. The listed phone number is (319) 356-2421.
What is Grant Henning's specialty?
The primary specialty registered for this NPI is Urology with taxonomy code 208800000X.
Is Grant Henning enrolled in Medicare?
Yes. Grant Henning is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Grant Henning's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Grant Henning reassigns Medicare benefits to 4 organizations: State University Of Iowa (Iowa City, IA), Allen Memorial Hospital Corporation (Waterloo, IA), Mayo Clinic (Rochester, MN) and Mayo Clinic Health System-Southwest Minnesota Region (Waseca, MN). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Grant Henning's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Grant Henning accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from NH Healthy Families, Ambetter from Sunflower Health Plan and Oscar Insurance Company and 2 other insurers list Grant Henning as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Grant Henning affiliated with any hospitals?
According to CMS data, Grant Henning is affiliated with University Of Iowa Health Care Medical Center Down and University Of Iowa Hospital & Clinics.
When was this NPI record last updated?
The NPPES record for Grant Henning was last updated on September 20, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Grant Matthew Henning, MD · NPI 1851885818
Urology physician in Iowa City, Iowa. Individual provider, active in the CMS NPPES registry since June 21, 2018.
## Identity
- **NPI:** 1851885818 (Entity type: Individual)
- **Enumerated:** June 21, 2018
- **Primary specialty:** Urology · taxonomy 208800000X
- **State license:** MD-55103 (Iowa)
- **Sole proprietor:** No
## Practice location
- **Address:** 200 HAWKINS DR, Iowa City, IA 52242-1009
- **Phone:** (319) 356-2421 · **Fax:** (319) 356-3949
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): State University Of Iowa (NPI 1114905387, Iowa City, IA); Allen Memorial Hospital Corporation (NPI 1346292521, Waterloo, IA); Mayo Clinic (NPI 1114343860, Rochester, MN); Mayo Clinic Health System-Southwest Minnesota Region (NPI 1518494251, Waseca, MN) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Iowa, Rj & L Carver College Of Medicine, class of 2018
## Record status
- **NPPES last updated:** September 20, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1851885818) · Data from the CMS NPPES public registry.