Quick answers
- Does Brian S. Zimmerman accept Medicare assignment?
- Yes. Medicare's clinician data says Brian S. Zimmerman accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Brian S. Zimmerman see?
- In 2024, CMS data shows 478 Original Medicare patients and 1,713 services for Brian S. Zimmerman. This counts Original Medicare only and measures volume, not quality.
- What is Brian S. Zimmerman's NPI number?
- 1710931480. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Brian S. Zimmerman, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 478 |
|---|---|
| Services billed to Medicare | 1,713 |
| Different services or procedures | 41 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)472 services
- Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)430 services
- Simple insertion of temporary bladder tube (51702)165 services
- Insertion of needle into vein for collection of blood sample (36415)145 services
- Manual urinalysis test with examination using microscope, automated (81001)132 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease46%
- Arthritis45%
- Diabetes35%
- Chronic kidney disease27%
Hospitals where Brian S. Zimmerman works
Medicare's Facility Affiliation Data lists Brian S. Zimmerman at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Genesis Medical Center-DavenportDavenport, IA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 160033
- MercyOne Clinton Medical CenterClinton, IA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 160080
- MercyOne Dubuque Medical CenterDubuque, IA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 160069
Practice locations
Addresses where Brian S. Zimmerman is enrolled with Medicare (CMS data updated October 2, 2026).
- 1410 N 4th StClinton, IA 52732 (563) 244‑5900
- 600 14th Ave NClinton, IA 52732
- 915 13th Ave N, Mercyone Clinton PlazaClinton, IA 52732 (563) 243‑2511
Group practices
Medicare enrollment lists Brian S. Zimmerman as a member of this group (CMS data updated October 2, 2026).
- Mercy Specialty Clinic65 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Clinton
Clinicians with the same Medicare primary specialty in Clinton, IA — not a recommendation.
Other clinicians in Mercy Specialty Clinic
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2001 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1710931480 |
| 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 October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- 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