Tony Hsu, M.D.
NPI 1659320927 · Dermatology Physician · Huntington Beach, CA
Enrolled with Medicare as Practitioner - Dermatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tony Hsu, M.D. is a Dermatology Physician provider in Huntington Beach, CA (NPI 1659320927).
Provider details
- NPI number
- 1659320927
- Entity type
- Individual
- Primary specialty
- Dermatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- A85174 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
2,730 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. 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 .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Destruction of Precancer Skin Growth, 2-14 Growths17003 | 1,392 | $8 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 322 | $98 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 311 | $62 |
| Destruction of Precancer Skin Growth, 1 Growth17000 | 288 | $67 |
| Destruction of Skin Growth, 1-14 Growths17110 | 157 | $129 |
| Destruction of Precancer Skin Growth, 15 Or More Growths17004 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Triamcinolone Acetonide | 67 | 53 |
| Dupilumabbrand: Dupixent Pen | 38 | — |
| Fluocinonide | 37 | 21 |
| Clobetasol Propionate | 30 | 19 |
| Doxycycline Hyclate | 24 | — |
| Ketoconazole | 24 | 17 |
| Terbinafine Hcl | 15 | 11 |
| Desonide | 14 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$360 across 14 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
Registry dates
- Enumerated
- 2006-05-06
- Last updated
- 2025-05-26
- Certified
- 2025-05-26
Frequently asked questions
- What is Tony Hsu's NPI number?
- Tony Hsu's National Provider Identifier (NPI) is 1659320927, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tony Hsu's specialty?
- Tony Hsu is listed in the NPPES registry with a primary specialty of Dermatology Physician (Allopathic & Osteopathic Physicians).
- Where is Tony Hsu located?
- Tony Hsu's practice location on file with NPPES is 18821 Delaware St Ste 102, Huntington Beach, CA 92648-1935.
- What is Tony Hsu's phone number?
- The practice phone number listed in the NPPES registry for Tony Hsu is (714) 848-4067.
- Does Tony Hsu accept Medicare?
- Tony Hsu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tony Hsu's NPI active?
- Yes — Tony Hsu's NPI (1659320927) is active in the NPPES registry as of the last update on 2025-05-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.