IndividualActive
Gwenn Holler, CNS
NPI 1548234958 · Clinical Nurse Specialist · Cleveland, OH
Provider details
- NPI number
- 1548234958
- Entity type
- Individual
- Primary specialty
- Clinical Nurse SpecialistPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CNS
- Sex
- Female
- License
- NS-04321 (OH)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
Detailed profile(91/100 index)
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
18101 Lorain Avenue
Cleveland, OH 44111
Phone: (216) 476-7000
Street-level locationGet directions
Mailing address
Po Box 74953
Cleveland, OH 44194-1036
Registry dates
- Enumerated
- 2006-02-14
- Last updated
- 2007-07-08
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.