Quick answers
- Does Sean M. Gunther Maher accept Medicare assignment?
- Yes. Medicare's clinician data says Sean M. Gunther Maher 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 Sean M. Gunther Maher see?
- In 2024, CMS data shows 228 Original Medicare patients and 539 services for Sean M. Gunther Maher. This counts Original Medicare only and measures volume, not quality.
- What is Sean M. Gunther Maher's NPI number?
- 1851788665. 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 Sean M. Gunther Maher, 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 | 228 |
|---|---|
| Services billed to Medicare | 539 |
| Different services or procedures | 34 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Critical care, first 30-74 minutes (99291)186 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)137 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)36 services
- Critical care, each additional 30 minutes (99292)33 services
- Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)28 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%
- COPD53%
- Arthritis50%
- Heart failure49%
- Diabetes43%
Hospitals where Sean M. Gunther Maher works
Medicare's Facility Affiliation Data lists Sean M. Gunther Maher 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.
- Mercy San Juan Medical CenterCarmichael, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050516
- Sutter Auburn Faith HospitalAuburn, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050498
- Sutter Davis HospitalDavis, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050537
- Sutter Medical Center, SacramentoSacramento, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050108
- Sutter Roseville Medical CenterRoseville, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050309
Practice locations
Addresses where Sean M. Gunther Maher is enrolled with Medicare (CMS data updated October 2, 2026).
- 5 Medical Plaza Dr, Suite 190Roseville, CA 95661 (916) 679‑3590
Group practices
Medicare enrollment lists Sean M. Gunther Maher as a member of this group (CMS data updated October 2, 2026).
- Pulmonary Medicine Associates Medical Group Inc.93 clinicians in the group
Specialties
- Critical Care (Intensivists)primary
Find other Critical Care (Intensivists) doctors in California →
Other critical care doctors in Roseville
Clinicians with the same Medicare primary specialty in Roseville, CA — not a recommendation.
Other clinicians in Pulmonary Medicine Associates Medical Group Inc.
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2014 (12 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1851788665 |
| 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