Quick answers
- Which hospitals does Gregory P. Larsen work at?
- Medicare's official clinician data lists Gregory P. Larsen at 5 hospitals: Broadlawns Medical Center, Lucas County Health Center, MercyOne Des Moines Medical Center, Pella Regional Health Center and UnityPoint Health - Des Moines Iowa Methodist Medi…. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Gregory P. Larsen see patients?
- Medicare's clinician data lists 8 practice locations, including Chariton, IA, Clive, IA and Grinnell, IA. Call before your visit to confirm the address.
- What is Gregory P. Larsen's specialty?
- Medicare lists Urology as the primary specialty.
- Does Gregory P. Larsen accept Medicare assignment?
- Yes. Medicare's clinician data says Gregory P. Larsen accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Gregory P. Larsen?
- (641) 774-3000, as listed in official Medicare / NPI Registry data.
- What is Gregory P. Larsen's NPI number?
- 1548497860. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Gregory P. Larsen works
Medicare's Facility Affiliation Data lists Gregory P. Larsen at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Broadlawns Medical CenterDes Moines, IA · Acute Care Hospital · CCN 160101
- Lucas County Health CenterChariton, IA · Critical Access Hospital · CCN 161341
- MercyOne Des Moines Medical CenterDes Moines, IA · Acute Care Hospital · CCN 160083
- Pella Regional Health CenterPella, IA · Critical Access Hospital · CCN 161367
- UnityPoint Health - Des Moines Iowa Methodist Medi…Des Moines, IA · Acute Care Hospital · CCN 160082
Practice locations
Addresses where Gregory P. Larsen is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 8; the Medicare profile lists all.
- 1200 N 7th StChariton, IA 50049 (641) 774‑3000
- 12129 University AveClive, IA 50325 (515) 400‑3550
- 122 4th AveGrinnell, IA 50112 (641) 236‑4323
- 13375 University Ave, Suite 100Clive, IA 50325 (515) 400‑3550
- 1660 60th StWest Des Moines, IA 50266 (515) 343‑1000
Group practices
Medicare enrollment lists Gregory P. Larsen as a member of these groups (CMS data updated 2026-10-02).
- Broadlawns Medical Center306 clinicians in the group
- Grinnell Regional Medical Center105 clinicians in the group
- Lucas County Health Center34 clinicians in the group
- Urology Center of Iowa PLLC31 clinicians in the group
Specialties
- Urologyprimary
Other urologists in Iowa
Clinicians with the same Medicare primary specialty in Iowa — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of North Carolina At Chapel Hill School Of Medicine |
| Graduation year | 2009 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1548497860 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians