Janice Grigsby, N.P.
NPI 1639353394 · Family Nurse Practitioner · Maryville, TN
Janice Grigsby, N.P. is a Family Nurse Practitioner provider in Maryville, TN (NPI 1639353394).
Provider details
- NPI number
- 1639353394
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- N.P.
- Sex
- Female
- Sole proprietor
- No
- License
- 0000006803 (TN)
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
18 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
- 2007-12-18
- Last updated
- 2011-10-11
Frequently asked questions
- What is Janice Grigsby's NPI number?
- Janice Grigsby's National Provider Identifier (NPI) is 1639353394, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Janice Grigsby's specialty?
- Janice Grigsby is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Janice Grigsby located?
- Janice Grigsby's practice location on file with NPPES is 301 Mcghee St, Maryville, TN 37801-6811.
- What is Janice Grigsby's phone number?
- The practice phone number listed in the NPPES registry for Janice Grigsby is (865) 983-4582.
- Is Janice Grigsby's NPI active?
- Yes — Janice Grigsby's NPI (1639353394) is active in the NPPES registry as of the last update on 2011-10-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.