Marleen Brennan, OTR/L
NPI 1598417156 · Occupational Therapist · Dunbar, WV
Enrolled with Medicare as Practitioner - Occupational Therapist in Private Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marleen Brennan, OTR/L is a Occupational Therapist provider in Dunbar, WV (NPI 1598417156).
Provider details
- NPI number
- 1598417156
- Entity type
- Individual
- Primary specialty
- Occupational TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- OTR/L
- Sex
- Female
- Sole proprietor
- Yes
- License
- 1507 (WV)
Specialties & taxonomies
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 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
- 2022-01-24
- Last updated
- 2022-01-24
- Certified
- 2021-04-21
Frequently asked questions
- What is Marleen Brennan's NPI number?
- Marleen Brennan's National Provider Identifier (NPI) is 1598417156, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marleen Brennan's specialty?
- Marleen Brennan is listed in the NPPES registry with a primary specialty of Occupational Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Marleen Brennan located?
- Marleen Brennan's practice location on file with NPPES is 2912 Gillespie Dr, Dunbar, WV 25064-2224.
- What is Marleen Brennan's phone number?
- The practice phone number listed in the NPPES registry for Marleen Brennan is (304) 687-2741.
- Does Marleen Brennan accept Medicare?
- Marleen Brennan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marleen Brennan's NPI active?
- Yes — Marleen Brennan's NPI (1598417156) is active in the NPPES registry as of the last update on 2022-01-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.