Thinh Chau, MD
NPI 1811448251 · Dermatology Physician · Los Alamitos, CA
Enrolled with Medicare as Practitioner - Dermatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thinh Chau, MD is a Dermatology Physician provider in Los Alamitos, CA (NPI 1811448251).
Provider details
- NPI number
- 1811448251
- Entity type
- Individual
- Primary specialty
- Dermatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 187393 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
9 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
3 documented practice locations
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Fluorouracil | 116 | 99 |
| Ketoconazole | 66 | 39 |
| Clobetasol Propionate | 56 | 28 |
| Triamcinolone Acetonide | 53 | 29 |
| Calcipotriene | 46 | 34 |
| Mupirocin | 37 | 29 |
| Fluocinonide | 17 | — |
| Clindamycin Phosphate | 16 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,294 across 21 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (2)
- 7601 Stoneridge DrPleasanton, CA 94588-4501Phone: (925) 847-5090
- 593 Eddy StProvidence, RI 02903-4923Phone: (401) 444-7959
Registry dates
- Enumerated
- 2016-10-20
- Last updated
- 2024-08-27
- Certified
- 2024-08-27
Frequently asked questions
- What is Thinh Chau's NPI number?
- Thinh Chau's National Provider Identifier (NPI) is 1811448251, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thinh Chau's specialty?
- Thinh Chau is listed in the NPPES registry with a primary specialty of Dermatology Physician (Allopathic & Osteopathic Physicians).
- Where is Thinh Chau located?
- Thinh Chau's practice location on file with NPPES is 4281 Katella Ave Ste 220, Los Alamitos, CA 90720-6506.
- What is Thinh Chau's phone number?
- The practice phone number listed in the NPPES registry for Thinh Chau is (562) 252-0173.
- Does Thinh Chau accept Medicare?
- Thinh Chau is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thinh Chau's NPI active?
- Yes — Thinh Chau's NPI (1811448251) is active in the NPPES registry as of the last update on 2024-08-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.