Clifford Hsieh, M.D.
NPI 1164876801 · Dermatology Physician · Gilroy, CA
Enrolled with Medicare as Practitioner - Dermatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Clifford Hsieh, M.D. is a Dermatology Physician provider in Gilroy, CA (NPI 1164876801).
Provider details
- NPI number
- 1164876801
- Entity type
- Individual
- Primary specialty
- Dermatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 125.068785 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 18 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ketoconazole | 93 | 50 |
| Fluorouracil | 82 | 71 |
| Clobetasol Propionate | 66 | 27 |
| Fluocinonide | 62 | 40 |
| Tacrolimus | 60 | 30 |
| Triamcinolone Acetonide | 55 | 48 |
| Clindamycin Phosphate | 32 | 12 |
| Betamethasone/Propylene Glycbrand: Betamethasone Diprop Augmented | 22 |
Practice location
Mailing address
Additional practice locations (1)
- 5841 S Maryland Ave # Mc5067Chicago, IL 60637-1443Phone: (773) 702-1611
Registry dates
- Enumerated
- 2016-04-19
- Last updated
- 2021-12-20
- Certified
- 2020-10-01
Frequently asked questions
- What is Clifford Hsieh's NPI number?
- Clifford Hsieh's National Provider Identifier (NPI) is 1164876801, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Clifford Hsieh's specialty?
- Clifford Hsieh is listed in the NPPES registry with a primary specialty of Dermatology Physician (Allopathic & Osteopathic Physicians).
- Where is Clifford Hsieh located?
- Clifford Hsieh's practice location on file with NPPES is 7520 Arroyo Cir, Gilroy, CA 95020-7303.
- What is Clifford Hsieh's phone number?
- The practice phone number listed in the NPPES registry for Clifford Hsieh is (408) 848-7040.
- Does Clifford Hsieh accept Medicare?
- Clifford Hsieh is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Clifford Hsieh's NPI active?
- Yes — Clifford Hsieh's NPI (1164876801) is active in the NPPES registry as of the last update on 2021-12-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.