Cassie Sullivan
NPI 1396110821 · Family Nurse Practitioner · Tomah, WI
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Cassie Sullivan is a Family Nurse Practitioner provider in Tomah, WI (NPI 1396110821).
Provider details
- NPI number
- 1396110821
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 6726-33 (WI)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
10 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2015-12-09
- Last updated
- 2021-01-14
- Certified
- 2021-01-14
Frequently asked questions
- What is Cassie Sullivan's NPI number?
- Cassie Sullivan's National Provider Identifier (NPI) is 1396110821, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Cassie Sullivan's specialty?
- Cassie Sullivan is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Cassie Sullivan located?
- Cassie Sullivan's practice location on file with NPPES is 501 Gopher Dr, Tomah, WI 54660-4513.
- What is Cassie Sullivan's phone number?
- The practice phone number listed in the NPPES registry for Cassie Sullivan is (608) 372-2181.
- Does Cassie Sullivan accept Medicare?
- Cassie Sullivan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Cassie Sullivan's NPI active?
- Yes — Cassie Sullivan's NPI (1396110821) is active in the NPPES registry as of the last update on 2021-01-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.