Ann Trettin, MSW, LISW
NPI 1285822783 · Clinical Social Worker · Toledo, OH
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ann Trettin, MSW, LISW is a Clinical Social Worker provider in Toledo, OH (NPI 1285822783).
Provider details
- NPI number
- 1285822783
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- MSW, LISW
- Sex
- Female
- Sole proprietor
- Yes
- License
- I 7740 (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
18 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
- 2007-10-09
- Last updated
- 2016-11-01
Frequently asked questions
- What is Ann Trettin's NPI number?
- Ann Trettin's National Provider Identifier (NPI) is 1285822783, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ann Trettin's specialty?
- Ann Trettin is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Ann Trettin located?
- Ann Trettin's practice location on file with NPPES is 2770 Centennial Rd, Toledo, OH 43617-1829.
- What is Ann Trettin's phone number?
- The practice phone number listed in the NPPES registry for Ann Trettin is (419) 794-0567.
- Does Ann Trettin accept Medicare?
- Ann Trettin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ann Trettin's NPI active?
- Yes — Ann Trettin's NPI (1285822783) is active in the NPPES registry as of the last update on 2016-11-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.