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Catherine Fellenstein, QMHS
NPI 1689521106 · Case Manager/Care Coordinator · Castalia, OH
Catherine Fellenstein, QMHS is a Case Manager/Care Coordinator provider in Castalia, OH (NPI 1689521106).
Provider details
- NPI number
- 1689521106
- Entity type
- Individual
- Primary specialty
- Case Manager/Care CoordinatorOther Service Providers
- Credential
- QMHS
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Other Service Providers
Profile Score
Basic profile(47/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in registry
- Profile completeness38% of score
83% 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
4317 St Rt 269 S
Castalia, OH 44824-9354
Phone: (567) 290-2658
Street-level locationGet directions
Mailing address
Po Box 337
Sandusky, OH 44871-0337
Registry dates
- Enumerated
- 2026-03-13
- Last updated
- 2026-03-13
- Certified
- 2026-03-13
Frequently asked questions
- What is Catherine Fellenstein's NPI number?
- Catherine Fellenstein's National Provider Identifier (NPI) is 1689521106, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Catherine Fellenstein's specialty?
- Catherine Fellenstein is listed in the NPPES registry with a primary specialty of Case Manager/Care Coordinator (Other Service Providers).
- Where is Catherine Fellenstein located?
- Catherine Fellenstein's practice location on file with NPPES is 4317 St Rt 269 S, Castalia, OH 44824-9354.
- What is Catherine Fellenstein's phone number?
- The practice phone number listed in the NPPES registry for Catherine Fellenstein is (567) 290-2658.
- Is Catherine Fellenstein's NPI active?
- Yes — Catherine Fellenstein's NPI (1689521106) is active in the NPPES registry as of the last update on 2026-03-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.