Quick answers
- Does Susan M. Allen accept Medicare assignment?
- Yes. Medicare's clinician data says Susan M. Allen 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 Susan M. Allen see?
- In 2024, CMS data shows 93 Original Medicare patients and 139 services for Susan M. Allen. This counts Original Medicare only and measures volume, not quality.
- What is Susan M. Allen's NPI number?
- 1841285566. 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 Susan M. Allen, 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 | 93 |
|---|---|
| Services billed to Medicare | 139 |
| Different services or procedures | 20 |
| Participating Medicare provider | Yes |
| Average age of these patients | 70 |
Most frequent services
- Anesthesia for total hip replacement (01214)26 services
- Injection of anesthetic agent and/or steroid into arm nerve bundle (brachial plexus) (64415)25 services
- Anesthesia for procedure for total knee joint replacement (01402)21 services
- Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) (64447)14 services
- Anesthesia for other procedure or exam of knee joint using an endoscope (01400)11 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 cholesterol72%
- High blood pressure57%
- Anxiety24%
- Depression23%
- Ischemic heart disease19%
Practice locations
Addresses where Susan M. Allen is enrolled with Medicare (CMS data updated October 2, 2026).
- 1205 W American DrNeenah, WI 54956 (920) 430‑8113
- 2223 Lime Kiln Rd, Suite 1Green Bay, WI 54311 (920) 965‑9517
Group practices
Medicare enrollment lists Susan M. Allen as a member of this group (CMS data updated October 2, 2026).
- Osms Anesthesia LLC21 clinicians in the group
Specialties
- Anesthesiologyprimary
Other anesthesiologists in Neenah
Clinicians with the same Medicare primary specialty in Neenah, WI — not a recommendation.
Other clinicians in Osms Anesthesia LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1995 (31 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1841285566 |
| 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
- 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