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Lillian Leong, DO
NPI 1730251059 · Family Medicine Physician · Walnut Creek, CA
Lillian Leong, DO is a Family Medicine Physician provider in Walnut Creek, CA (NPI 1730251059).
Provider details
- NPI number
- 1730251059
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Female
- Sole proprietor
- No
- License
- 20A9598 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(90/100 index)
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
1450 Treat Blvd
Suite 120b
Walnut Creek, CA 94597-2168
Phone: (925) 296-9720
Fax: (925) 296-9034
Street-level locationGet directions
Mailing address
Dept 34929
San Francisco, CA 94139-0001
Registry dates
- Enumerated
- 2006-11-14
- Last updated
- 2014-04-02
Frequently asked questions
- What is Lillian Leong's NPI number?
- Lillian Leong's National Provider Identifier (NPI) is 1730251059, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lillian Leong's specialty?
- Lillian Leong is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Lillian Leong located?
- Lillian Leong's practice location on file with NPPES is 1450 Treat Blvd, Walnut Creek, CA 94597-2168.
- What is Lillian Leong's phone number?
- The practice phone number listed in the NPPES registry for Lillian Leong is (925) 296-9720.
- Is Lillian Leong's NPI active?
- Yes — Lillian Leong's NPI (1730251059) is active in the NPPES registry as of the last update on 2014-04-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.