Tik Tjoa, MD
NPI 1811943186 · Endocrinology, Diabetes & Metabolism Physician · Ponoma, CA
Tik Tjoa, MD is a Endocrinology, Diabetes & Metabolism Physician provider in Ponoma, CA (NPI 1811943186).
Provider details
- NPI number
- 1811943186
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- License
- A29682 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
- 2006-05-26
- Last updated
- 2025-09-11
Frequently asked questions
- What is Tik Tjoa's NPI number?
- Tik Tjoa's National Provider Identifier (NPI) is 1811943186, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tik Tjoa's specialty?
- Tik Tjoa is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Tik Tjoa located?
- Tik Tjoa's practice location on file with NPPES is 3530 West Pomona Blvd, Ponoma, CA 91769-0100.
- What is Tik Tjoa's phone number?
- The practice phone number listed in the NPPES registry for Tik Tjoa is (909) 595-1221.
- Is Tik Tjoa's NPI active?
- Yes — Tik Tjoa's NPI (1811943186) is active in the NPPES registry as of the last update on 2025-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.