CRAIG J. LEONG M.D. – NPI #1639103344
Ophthalmology
An ophthalmologist who specializes in the diagnosis and treatment of vitreoretinal diseases.
CRAIG LEONG is an ophthalmologist located in WALNUT CREEK, CA. NPPES has assigned the NPI number 1639103344 to CRAIG LEONG on July 10, 2006. It is a Type-1 NPI, indicating this NPI number is associated with an individual. According to the NPI Registry, there are 2 additional location(s) assigned to this provider which are listed below. With multiple taxonomy codes selected, the primary taxonomy selected by this provider is 207WX0107X from the Health Care Provider Taxonomy code set, which is classified as Ophthalmology, specializing in Retina Specialist
The NPI profile was previously updated about 5 years ago on Apr 29, 2021. Use the NPI data found here to bill health insurance companies, identify providers enrolled in Medicare and Medicaid services or other HIPAA compliant transactions. See the complete NPI profile for CRAIG LEONG below.
NPI Profile for
CRAIG J. LEONG
(about 20 years ago)
WALNUT CREEK, CA 94598-5915 Phone: (925) 943-6800 Fax: (925) 943-6880
2 Other location(s):
Castro Valley, CA 94546-5340
Phone: (510) 733-1888
Fax: (510) 881-5332
Pleasanton, CA 94588-2723
Phone: (925) 463-8200
Fax: (925) 463-8201
Note: NPPES allows providers to attest to the accuracy of their NPI data. When a provider request any change to the NPI record, they will be able to attest to their changed NPI data, resulting in an updated certification date.
Identifiers for CRAIG LEONG
Identifiers are used to associate other provider identifiers such as Medicaid or other insurers (ie:, Blue Cross, Blue Shield, Aetna, Kaiser-Permanente, etc.), with their NPI number. These identifiers can be used in matching an NPI number to an insurer's records. However, not all providers have such numbers and not all providers choose to include them in their NPI information.
| Description | Issuer | State | Identifier |
|---|---|---|---|
| MEDICAID | CA | 00G280410 |
A taxonomy code is a code that describes the health care service provider's type, classification, and the area of specialization. The primary specialty for this provider is indicated as (Primary) below.
| Taxonomy Classification / Specialization | State | License |
|---|---|---|
| 207WX0107X - Ophthalmology / Retina Specialist (Primary) |
CA | G28041 |
| 207W00000X - Ophthalmology |
CA | G28041 |
The taxonomy codes are selected by the provider at the time of NPI registration. Selection of a taxonomy code does not replace any credentialing or validation process that the provider requesting the code should complete.