Kalman Leong, O.D.
NPI 1447309471 · Optometrist · Vacaville, CA
Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kalman Leong, O.D. is a Optometrist provider in Vacaville, CA (NPI 1447309471).
Provider details
- NPI number
- 1447309471
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- O.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 9034 TPA (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
- 2007-01-09
- Last updated
- 2022-02-11
Frequently asked questions
- What is Kalman Leong's NPI number?
- Kalman Leong's National Provider Identifier (NPI) is 1447309471, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kalman Leong's specialty?
- Kalman Leong is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Kalman Leong located?
- Kalman Leong's practice location on file with NPPES is 3000 Alamo Dr, Vacaville, CA 95687-6350.
- What is Kalman Leong's phone number?
- The practice phone number listed in the NPPES registry for Kalman Leong is (707) 447-9899.
- Does Kalman Leong accept Medicare?
- Kalman Leong is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kalman Leong's NPI active?
- Yes — Kalman Leong's NPI (1447309471) is active in the NPPES registry as of the last update on 2022-02-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.