Lloyd Cassidy, MD
NPI 1457795569 · Family Medicine Physician · Green Bay, WI
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Provider details
- NPI number
- 1457795569
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 036144493 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
13 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
4 documented practice locations
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 102 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 437 | 133 |
| Lisinopril | 273 | 90 |
| Amlodipine Besylate | 224 | 80 |
| Omeprazole | 209 | 74 |
| Tamsulosin Hcl | 199 | 56 |
| Metoprolol Succinate | 195 | 69 |
| Furosemide | 179 |
Practice location
Mailing address
Additional practice locations (3)
- 2875 W. 19th StreetChicago, IL 60623Phone: (773) 484-1000
- 1500 S Main StFamily Medicine Residency ProgramFort Worth, TX 76104-4917Phone: (817) 702-1204
- 100 County RoadShawano, WI 54166-7072Phone: (715) 526-2111Fax: (715) 526-7308
Registry dates
- Enumerated
- 2013-04-18
- Last updated
- 2021-01-27
- Certified
- 2021-01-27
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.