Hou Leong, OD
NPI 1801984588 · Optometrist · Fremont, CA
Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Hou Leong, OD is a Optometrist provider in Fremont, CA (NPI 1801984588).
Provider details
- NPI number
- 1801984588
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- OD
- Sex
- Male
- Sole proprietor
- No
- License
- OPT9944 (CA)
Specialties & taxonomies
Eye and Vision Services Providers
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
- 2006-10-10
- Last updated
- 2020-05-26
- Certified
- 2020-05-26
Frequently asked questions
- What is Hou Leong's NPI number?
- Hou Leong's National Provider Identifier (NPI) is 1801984588, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hou Leong's specialty?
- Hou Leong is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Hou Leong located?
- Hou Leong's practice location on file with NPPES is 3200 Kearney St, Fremont, CA 94538-2299.
- What is Hou Leong's phone number?
- The practice phone number listed in the NPPES registry for Hou Leong is (510) 552-6883.
- Does Hou Leong accept Medicare?
- Hou Leong is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Hou Leong's NPI active?
- Yes — Hou Leong's NPI (1801984588) is active in the NPPES registry as of the last update on 2020-05-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.