Jennifer Grefe
NPI 1306679964 · Certified Registered Nurse Anesthetist · Wausau, WI
Jennifer Grefe is a Certified Registered Nurse Anesthetist provider in Wausau, WI (NPI 1306679964).
Provider details
- NPI number
- 1306679964
- Entity type
- Individual
- Primary specialty
- Certified Registered Nurse AnesthetistPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- Yes
- License
- 227075 (WI)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr 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
- 2024-08-20
- Last updated
- 2026-05-21
- Certified
- 2026-05-21
Frequently asked questions
- What is Jennifer Grefe's NPI number?
- Jennifer Grefe's National Provider Identifier (NPI) is 1306679964, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jennifer Grefe's specialty?
- Jennifer Grefe is listed in the NPPES registry with a primary specialty of Certified Registered Nurse Anesthetist (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Jennifer Grefe located?
- Jennifer Grefe's practice location on file with NPPES is 223151 Azalea Rd, Wausau, WI 54401-6667.
- What is Jennifer Grefe's phone number?
- The practice phone number listed in the NPPES registry for Jennifer Grefe is (970) 309-6123.
- Is Jennifer Grefe's NPI active?
- Yes — Jennifer Grefe's NPI (1306679964) is active in the NPPES registry as of the last update on 2026-05-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.