William Shannon, M.D.
NPI 1043282221 · Physical Medicine & Rehabilitation Physician · Fitchburg, WI
William Shannon, M.D. is a Physical Medicine & Rehabilitation Physician provider in Fitchburg, WI (NPI 1043282221).
Provider details
- NPI number
- 1043282221
- Entity type
- Individual
- Primary specialty
- Physical Medicine & Rehabilitation PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 27321 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
515 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 123 | $61 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 107 | $73 |
| Needle Measurement of Electrical Activity in Muscle With Injection of Chemical for Paralysis of Nerve Muscle95874 | 78 | $18 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 67 | $90 |
| Acupuncture With Electrical Stimulation, Initial 15 Minutes97813 | 44 | $31 |
| Injection of Chemical for Paralysis of Facial and Neck Nerve Muscles on Both Sides of Face64615 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 33 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Oxycodone Hcl | 265 | 34 |
| Morphine Sulfatebrand: Morphine Sulfate Er | 181 | 16 |
| Gabapentin | 151 | 23 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 121 | 16 |
| Tizanidine Hcl | 100 | 18 |
| Oxycodone Hclbrand: Oxycontin | 77 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-02-02
- Last updated
- 2025-07-09
- Certified
- 2025-07-09
Frequently asked questions
- What is William Shannon's NPI number?
- William Shannon's National Provider Identifier (NPI) is 1043282221, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Shannon's specialty?
- William Shannon is listed in the NPPES registry with a primary specialty of Physical Medicine & Rehabilitation Physician (Allopathic & Osteopathic Physicians).
- Where is William Shannon located?
- William Shannon's practice location on file with NPPES is 3026 Yarmouth Greenway Dr, Fitchburg, WI 53711-6922.
- What is William Shannon's phone number?
- The practice phone number listed in the NPPES registry for William Shannon is (608) 286-5414.
- Is William Shannon's NPI active?
- Yes — William Shannon's NPI (1043282221) is active in the NPPES registry as of the last update on 2025-07-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.