Quick answers
- Does Joseph O. Gilg accept Medicare assignment?
- Medicare's clinician data says Joseph O. Gilg may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
- How many Medicare patients does Joseph O. Gilg see?
- In 2024, CMS data shows 611 Original Medicare patients and 67,274 services for Joseph O. Gilg. This counts Original Medicare only and measures volume, not quality.
- What is Joseph O. Gilg's NPI number?
- 1205941416. 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 Joseph O. Gilg, 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 | 611 |
|---|---|
| Services billed to Medicare | 67,274 |
| Different services or procedures | 81 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Injection, certolizumab pegol, 1 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered) (J0717)17,600 services
- Injection, golimumab, 1 mg, for intravenous use (J1602)9,700 services
- Injection, denosumab, 1 mg (J0897)5,460 services
- Injection, romosozumab-aqqg, 1 mg (J3111)5,460 services
- Injection, infliximab, excludes biosimilar, 10 mg (J1745)4,580 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).
- Arthritis75%
- High cholesterol69%
- High blood pressure66%
- Osteoporosis41%
- Depression27%
- Chronic kidney disease24%
Hospitals where Joseph O. Gilg works
Medicare's Facility Affiliation Data lists Joseph O. Gilg 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.
- MercyOne Des Moines Medical CenterDes Moines, IA · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 160083
Practice locations
Addresses where Joseph O. Gilg is enrolled with Medicare (CMS data updated October 2, 2026).
- 8421 Plum DrDes Moines, IA 50322
- 8421 Plum DrUrbandale, IA 50322
Specialties
- Rheumatologyprimary
Other rheumatologists in Iowa
Clinicians with the same Medicare primary specialty in Iowa — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Nebraska College Of Medicine |
| Graduation year | 1987 (39 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1205941416 |
| 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