Marissa Warwar, NP
NPI 1437523149 · Pediatric Nurse Practitioner · Knoxville, TN
Marissa Warwar, NP is a Pediatric Nurse Practitioner provider in Knoxville, TN (NPI 1437523149).
Provider details
- NPI number
- 1437523149
- Entity type
- Individual
- Primary specialty
- Pediatric Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- 24373 (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
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
- 2015-11-18
- Last updated
- 2022-04-08
- Certified
- 2022-04-08
Frequently asked questions
- What is Marissa Warwar's NPI number?
- Marissa Warwar's National Provider Identifier (NPI) is 1437523149, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marissa Warwar's specialty?
- Marissa Warwar is listed in the NPPES registry with a primary specialty of Pediatric Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Marissa Warwar located?
- Marissa Warwar's practice location on file with NPPES is 2018 Clinch Avenue, Knoxville, TN 37916-2301.
- What is Marissa Warwar's phone number?
- The practice phone number listed in the NPPES registry for Marissa Warwar is (865) 971-7400.
- Is Marissa Warwar's NPI active?
- Yes — Marissa Warwar's NPI (1437523149) is active in the NPPES registry as of the last update on 2022-04-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.