Quick answers
- Does Shawn P. Hennigan accept Medicare assignment?
- Yes. Medicare's clinician data says Shawn P. Hennigan 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 Shawn P. Hennigan see?
- In 2024, CMS data shows 252 Original Medicare patients and 1,228 services for Shawn P. Hennigan. This counts Original Medicare only and measures volume, not quality.
- What is Shawn P. Hennigan's NPI number?
- 1821026790. 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 Shawn P. Hennigan, 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 | 252 |
|---|---|
| Services billed to Medicare | 1,228 |
| Different services or procedures | 35 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- X-ray of shoulder, minimum of 2 views (73030)376 services
- Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg (J0702)333 services
- Aspiration and/or injection of fluid from large joint (20610)82 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)74 services
- Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more (99212)70 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 cholesterol75%
- Arthritis75%
- High blood pressure69%
- Ischemic heart disease27%
- Diabetes21%
- Anxiety21%
Hospitals where Shawn P. Hennigan works
Medicare's Facility Affiliation Data lists Shawn P. Hennigan 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.
- Ascension NE Wisconsin - St Elizabeth CampusAppleton, WI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 520009
- Aurora Medical Center OshkoshOshkosh, WI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 520198
- Door County Medical CenterSturgeon Bay, WI · Critical Access Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 521358
- Thedacare Medical Center - Berlin IncBerlin, WI · Critical Access Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 521355
- Thedacare Regional Medical Center - Appleton IncAppleton, WI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 520160
Practice locations
Addresses where Shawn P. Hennigan is enrolled with Medicare (CMS data updated October 2, 2026).
- 1551 Park PlGreen Bay, WI 54304 (920) 730‑8833
- 2323 N Casaloma DrAppleton, WI 54913 (920) 730‑8833
Group practices
Medicare enrollment lists Shawn P. Hennigan as a member of this group (CMS data updated October 2, 2026).
- Hand to Shoulder Center of Wisconsin, Ltd.34 clinicians in the group
Specialties
- Orthopedic Surgeryprimary
Other orthopedic surgeons in Green Bay
Clinicians with the same Medicare primary specialty in Green Bay, WI — not a recommendation.
Other clinicians in Hand to Shoulder Center of Wisconsin, Ltd.
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Temple University School Of Medicine |
| Graduation year | 1994 (32 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1821026790 |
| 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