Mark Tiano
NPI 1841623535 · Clinical Social Worker · Stockton, CA
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Tiano is a Clinical Social Worker provider in Stockton, CA (NPI 1841623535).
Provider details
- NPI number
- 1841623535
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- Yes
- License
- LCSW88442 (CA)
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
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
Mailing address
Registry dates
- Enumerated
- 2013-08-16
- Last updated
- 2026-02-04
- Certified
- 2026-02-04
Frequently asked questions
- What is Mark Tiano's NPI number?
- Mark Tiano's National Provider Identifier (NPI) is 1841623535, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Tiano's specialty?
- Mark Tiano is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Mark Tiano located?
- Mark Tiano's practice location on file with NPPES is Po Box 691437, Stockton, CA 95269-1437.
- What is Mark Tiano's phone number?
- The practice phone number listed in the NPPES registry for Mark Tiano is (209) 693-7037.
- Does Mark Tiano accept Medicare?
- Mark Tiano is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Tiano's NPI active?
- Yes — Mark Tiano's NPI (1841623535) is active in the NPPES registry as of the last update on 2026-02-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.