Cassie Sullivan
Family Nurse Practitioner · Tomah, WI
Cassie Sullivan is a family nurse practitioner with a practice address in Tomah, Wisconsin, and NPI 1396110821, issued on Dec 9, 2015. Check the license (Wisconsin 6726-33, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Cassie Sullivan
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 6726-33 WI
Self-reported in NPPES; status is on the state search - Practice location
- 501 Gopher Dr, Tomah, WI 54660
- Phone
- (608) 372-2181
- Enumerated
- Dec 9, 2015
- Record last updated
- Jan 14, 2021 (not updated in 5 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 2,814 in Wisconsin → Look up another NPI →
Also registered at 501 Gopher Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Caitlin Caliri, DPTPhysical Therapist1144008202
- Kimberly Casper, NPFamily Nurse Practitioner1669107199
- David Demask, CRNACertified Registered Nurse Anesthetist1275678468
Verify Cassie Sullivan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 6726-33Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average family nurse practitioner in 2024
52 Medicare Part D claims for 14 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.
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.
Cassie Sullivan among 2,814 family nurse practitioner records in Wisconsin
Cassie Sullivan is one of 2,814 family nurse practitioner records with a practice address in Wisconsin. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 34% of them.
- NPI issued2015 · 34% of these records are older, 62% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2021 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
20 family nurse practitioner records list a practice address in Tomah
They are 20 of the 697 NPPES records with a practice address in Tomah, and 2,814 family nurse practitioner records in Wisconsin.
All 2,814 in Wisconsin → Every provider in Tomah → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Natalie Doerfler, FNPTomah, WI 546601770062614
- Sarah Dopson, MSN, ARNPTomah, WI 546601770944183
- Eugenia Durst, FNPTomah, WI 546601346320058
- Karen Forman, FNP-CTomah, WI 546601669843272
- America Fushianes, APNPTomah, WI 546601629487376
- Teri Gjerseth, CNM, APNP, FNP-CTomah, WI 546601538484407
- Michelle Masters, APNPTomah, WI 546601538261367
- Ashley Path, MSN, FNP-CTomah, WI 546601891135380
Common questions
What is Cassie Sullivan's NPI number?
Cassie Sullivan's National Provider Identifier (NPI) is 1396110821, issued on Dec 9, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Cassie Sullivan located?
The NPPES record lists a practice address at 501 Gopher Dr, Tomah, WI, 54660. Phone: (608) 372-2181. Providers update this record themselves, so call before visiting.
How can I verify Cassie Sullivan's license?
NPPES lists Wisconsin license number 6726-33, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.
How much does Cassie Sullivan prescribe under Medicare Part D?
In 2024, Cassie Sullivan had 52 Medicare Part D claims for 14 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 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.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.