Mary Preston, LISW
NPI 1366531790 · Clinical Social Worker · Chillicothe, OH
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Preston, LISW is a Clinical Social Worker provider in Chillicothe, OH (NPI 1366531790).
Provider details
- NPI number
- 1366531790
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LISW
- Sex
- Female
- Sole proprietor
- No
- License
- 0008588 (OH)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
- 2006-10-12
- Last updated
- 2012-04-26
Frequently asked questions
- What is Mary Preston's NPI number?
- Mary Preston's National Provider Identifier (NPI) is 1366531790, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Preston's specialty?
- Mary Preston is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Mary Preston located?
- Mary Preston's practice location on file with NPPES is 4449 State Route 159, Chillicothe, OH 45601-8620.
- What is Mary Preston's phone number?
- The practice phone number listed in the NPPES registry for Mary Preston is (740) 775-1260.
- Does Mary Preston accept Medicare?
- Mary Preston is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Preston's NPI active?
- Yes — Mary Preston's NPI (1366531790) is active in the NPPES registry as of the last update on 2012-04-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.