Kathleen Grassy, APNP
NPI 1386617231 · Adult Health Nurse Practitioner · Madison, WI
Kathleen Grassy, APNP is a Adult Health Nurse Practitioner provider in Madison, WI (NPI 1386617231).
Provider details
- NPI number
- 1386617231
- Entity type
- Individual
- Primary specialty
- Adult Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APNP
- Sex
- Female
- Sole proprietor
- No
- License
- 2129-033 (WI)
Specialties & taxonomies
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
20 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
- 2006-02-10
- Last updated
- 2013-02-08
Frequently asked questions
- What is Kathleen Grassy's NPI number?
- Kathleen Grassy's National Provider Identifier (NPI) is 1386617231, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kathleen Grassy's specialty?
- Kathleen Grassy is listed in the NPPES registry with a primary specialty of Adult Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Kathleen Grassy located?
- Kathleen Grassy's practice location on file with NPPES is 2601 W. Beltline Hwy, Madison, WI 53713.
- What is Kathleen Grassy's phone number?
- The practice phone number listed in the NPPES registry for Kathleen Grassy is (608) 417-2100.
- Is Kathleen Grassy's NPI active?
- Yes — Kathleen Grassy's NPI (1386617231) is active in the NPPES registry as of the last update on 2013-02-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.