Quick answers
- Does Stephen M. Gilles accept Medicare assignment?
- Yes. Medicare's clinician data says Stephen M. Gilles 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 Stephen M. Gilles see?
- In 2024, CMS data shows 334 Original Medicare patients and 1,172 services for Stephen M. Gilles. This counts Original Medicare only and measures volume, not quality.
- What is Stephen M. Gilles's NPI number?
- 1427160829. 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 Stephen M. Gilles, 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 | 334 |
|---|---|
| Services billed to Medicare | 1,172 |
| Different services or procedures | 24 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)467 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)183 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)174 services
- Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)137 services
- Acupuncture, initial 15 minutes (97810)49 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 pressure73%
- High cholesterol70%
- Arthritis39%
- Diabetes25%
- Ischemic heart disease22%
- Anxiety22%
Hospitals where Stephen M. Gilles works
Medicare's Facility Affiliation Data lists Stephen M. Gilles 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.
- Abbott Northwestern HospitalMinneapolis, MN · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 240057
- Mayo Clinic Health System - MankatoMankato, MN · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 240093
- New Ulm Medical CenterNew Ulm, MN · Critical Access Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 241378
Practice locations
Addresses where Stephen M. Gilles is enrolled with Medicare (CMS data updated October 2, 2026).
- 1324 5th St NNew Ulm, MN 56073 (507) 217‑5000
Group practices
Medicare enrollment lists Stephen M. Gilles as a member of this group (CMS data updated October 2, 2026).
- Allina Health System3,842 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in New Ulm
Clinicians with the same Medicare primary specialty in New Ulm, MN — not a recommendation.
Other clinicians in Allina Health System
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2001 (25 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1427160829 |
| 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