Irene Hsu-Dresden
NPI 1427137934 · Ophthalmology Physician · Los Gatos, CA
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Irene Hsu-Dresden is a Ophthalmology Physician provider in Los Gatos, CA (NPI 1427137934).
Provider details
- NPI number
- 1427137934
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Female
- Sole proprietor
- No
- License
- MD27406 (OR)
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
19 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
- 2006-11-03
- Last updated
- 2009-02-10
Frequently asked questions
- What is Irene Hsu-Dresden's NPI number?
- Irene Hsu-Dresden's National Provider Identifier (NPI) is 1427137934, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Irene Hsu-Dresden's specialty?
- Irene Hsu-Dresden is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Irene Hsu-Dresden located?
- Irene Hsu-Dresden's practice location on file with NPPES is 250 Almendra Ave, Los Gatos, CA 95030-7211.
- What is Irene Hsu-Dresden's phone number?
- The practice phone number listed in the NPPES registry for Irene Hsu-Dresden is (408) 399-9009.
- Does Irene Hsu-Dresden accept Medicare?
- Irene Hsu-Dresden is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Irene Hsu-Dresden's NPI active?
- Yes — Irene Hsu-Dresden's NPI (1427137934) is active in the NPPES registry as of the last update on 2009-02-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.