Tiong Yee Tan, LCSW
NPI 1275999690 · Clinical Social Worker · Newport Beach, CA
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tiong Yee Tan, LCSW is a Clinical Social Worker provider in Newport Beach, CA (NPI 1275999690).
Provider details
- NPI number
- 1275999690
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Male
- Sole proprietor
- No
- License
- 88693 (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
10 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 30211 Avenida De Las Bandera Ste 200Rancho Santa Margarita, CA 92688-2159Phone: (877) 421-1711Fax: (949) 576-3913
Registry dates
- Enumerated
- 2016-01-14
- Last updated
- 2024-11-16
- Certified
- 2024-11-16
Frequently asked questions
- What is Tiong Yee Tan's NPI number?
- Tiong Yee Tan's National Provider Identifier (NPI) is 1275999690, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tiong Yee Tan's specialty?
- Tiong Yee Tan is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Tiong Yee Tan located?
- Tiong Yee Tan's practice location on file with NPPES is 5000 Birch St Ste 3000, Newport Beach, CA 92660-2140.
- What is Tiong Yee Tan's phone number?
- The practice phone number listed in the NPPES registry for Tiong Yee Tan is (949) 229-6943.
- Does Tiong Yee Tan accept Medicare?
- Tiong Yee Tan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tiong Yee Tan's NPI active?
- Yes — Tiong Yee Tan's NPI (1275999690) is active in the NPPES registry as of the last update on 2024-11-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.