Colleen Cassidy, MD
Family Medicine Physician · Beaver Dam, WI
Colleen Cassidy, MD is a family medicine physician with a practice address in Beaver Dam, Wisconsin, and NPI 1275899841, issued on Apr 7, 2012. Check the license (Wisconsin 61855-20, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Colleen Cassidy
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 61855-20 WI
Self-reported in NPPES; status is on the state search - Practice location
- 130 Corporate Dr, Beaver Dam, WI 53916
- Phone
- (920) 887-3102
- Enumerated
- Apr 7, 2012
- Entity
- Type 1 · individual
Also registered at 130 Corporate Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Bradley Allen, MDFamily Medicine Physician1447201918
- Heidi BaileyFamily Nurse Practitioner1114643756
- Lyndsey Christenson, APNPFamily Nurse Practitioner1205365962
- Rolf Hansen, DPMPodiatrist1821199449
- Erin Lambert, DOFamily Medicine Physician1386888535
- Allison Lynch, APNPNurse Practitioner1689310419
Verify Colleen Cassidy in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 61855-20Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
97% more Medicare Part D claims than the average family medicine physician in 2024
6,942 Medicare Part D claims for 485 beneficiaries, against an average of 3,519 among the 111,126 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 210 claims were for opioids.
Most prescribed
- Atorvastatin Calcium439 claims
- Lisinopril274 claims
- Levothyroxine Sodium232 claims
- Gabapentin182 claims
- Amlodipine Besylate172 claims
- Omeprazole171 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
One hospital or facility affiliation
- Lakeshore Medical Clinic LLCSaint Francis, WI
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
18 family medicine physician records list a Beaver Dam practice address
They are 18 of the 412 NPPES records with a Beaver Dam practice address, and 3,629 family medicine physician records in Wisconsin.
All 18 in Beaver Dam → All 3,629 in Wisconsin → Every provider in Beaver Dam →
Other family medicine physician records in Wisconsin
- Ghudran Abdulal, MDNew Berlin, WI1083622666
- Vanessa Abejuela-Matt, D.O.Mount Pleasant, WI1558687749
- Benjamin Abeyta, M.D.Wauwatosa, WI1447511597
- Emily Abeyta, MDWaukesha, WI1386905107
- Islam Abo Al Nadie, MDMilwaukee, WI1326618786
- Jeanette Abraham, MDWeston, WI1205895810
- Sarada Abraham, M.D.Oconomowoc, WI1962851972
- Kirsten Abramson, MDMadison, WI1417909979
- Alexandra Adams, MD PHDMadison, WI1184689291
- David AdamsMadison, WI1992986897
Common questions
What is Colleen Cassidy, MD's NPI number?
Colleen Cassidy, MD's National Provider Identifier (NPI) is 1275899841, issued on Apr 7, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Colleen Cassidy, MD located?
The NPPES record lists a practice address at 130 Corporate Dr, Beaver Dam, WI, 53916. Phone: (920) 887-3102. Providers update this record themselves, so call before visiting.
How can I verify Colleen Cassidy, MD's license?
NPPES lists Wisconsin license number 61855-20, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Colleen Cassidy, MD prescribe under Medicare Part D?
In 2024, Colleen Cassidy, MD had 6,942 Medicare Part D claims for 485 beneficiaries; the average among family medicine physician prescribers was 3,519. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.