IndividualActive
Thomas Marsh, LISW
NPI 1578990602 · Clinical Social Worker · Portsmouth, OH
Thomas Marsh, LISW is a Clinical Social Worker provider in Portsmouth, OH (NPI 1578990602).
Provider details
- NPI number
- 1578990602
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LISW
- Sex
- Male
- Sole proprietor
- Yes
- License
- I.1303128 (OH)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(77/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
12 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
411 Court St
Portsmouth, OH 45662-3932
Phone: (740) 354-3829
Fax: (740) 353-2845
Street-level locationGet directions
Mailing address
411 Court St
Portsmouth, OH 45662-3932
Registry dates
- Enumerated
- 2013-10-03
- Last updated
- 2013-10-03
Frequently asked questions
- What is Thomas Marsh's NPI number?
- Thomas Marsh's National Provider Identifier (NPI) is 1578990602, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Marsh's specialty?
- Thomas Marsh is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Thomas Marsh located?
- Thomas Marsh's practice location on file with NPPES is 411 Court St, Portsmouth, OH 45662-3932.
- What is Thomas Marsh's phone number?
- The practice phone number listed in the NPPES registry for Thomas Marsh is (740) 354-3829.
- Is Thomas Marsh's NPI active?
- Yes — Thomas Marsh's NPI (1578990602) is active in the NPPES registry as of the last update on 2013-10-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.