Colleen Cassidy, MD
NPI 1275899841 · Family Medicine Physician · Beaver Dam, WI
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Colleen Cassidy, MD is a Family Medicine Physician provider in Beaver Dam, WI (NPI 1275899841).
Provider details
- NPI number
- 1275899841
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 61855-20 (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
14 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
413 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 233 | $119 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 70 | $120 |
| Administration of Influenza Virus VaccineG0008 | 29 | $29 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 26 | $82 |
| Transitional Care Management Services for Problem of at Least Moderate Complexity99495 | 20 | $195 |
| Physician Or Allowed Practitioner Certification for Medicare-Covered Home Health Services Under a Home Health Plan of Care (patient Not Present), Including Contacts With Home Health Agency and Review of Reports of Patient Status Required By Physicians and |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 129 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 439 | 132 |
| Lisinopril | 274 | 76 |
| Levothyroxine Sodium | 232 | 65 |
| Gabapentin | 182 | 47 |
| Amlodipine Besylate | 172 | 49 |
| Omeprazole | 171 | 51 |
| Pantoprazole Sodium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2012-04-07
- Last updated
- 2021-03-01
- Certified
- 2021-03-01
Frequently asked questions
- What is Colleen Cassidy's NPI number?
- Colleen Cassidy's National Provider Identifier (NPI) is 1275899841, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Colleen Cassidy's specialty?
- Colleen Cassidy is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Colleen Cassidy located?
- Colleen Cassidy's practice location on file with NPPES is 130 Corporate Dr, Beaver Dam, WI 53916-3116.
- What is Colleen Cassidy's phone number?
- The practice phone number listed in the NPPES registry for Colleen Cassidy is (920) 887-3102.
- Does Colleen Cassidy accept Medicare?
- Colleen Cassidy is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Colleen Cassidy's NPI active?
- Yes — Colleen Cassidy's NPI (1275899841) is active in the NPPES registry as of the last update on 2021-03-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.