Ryan Tieu, ACSW
NPI 1104216597 · Clinical Social Worker · Sacramento, CA
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ryan Tieu, ACSW is a Clinical Social Worker provider in Sacramento, CA (NPI 1104216597).
Provider details
- NPI number
- 1104216597
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- ACSW
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
- Mental Health Counselor101YM0800X
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
11 yrs in NPPES registry
- Profile completeness38% of score
83% 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
- 2015-01-23
- Last updated
- 2020-08-02
- Certified
- 2020-08-02
Frequently asked questions
- What is Ryan Tieu's NPI number?
- Ryan Tieu's National Provider Identifier (NPI) is 1104216597, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ryan Tieu's specialty?
- Ryan Tieu is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Ryan Tieu located?
- Ryan Tieu's practice location on file with NPPES is 2020 29th St Ste 201, Sacramento, CA 95817-1119.
- What is Ryan Tieu's phone number?
- The practice phone number listed in the NPPES registry for Ryan Tieu is (916) 455-2391.
- Does Ryan Tieu accept Medicare?
- Ryan Tieu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ryan Tieu's NPI active?
- Yes — Ryan Tieu's NPI (1104216597) is active in the NPPES registry as of the last update on 2020-08-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.