IndividualActive
Lael Duncan, MD
NPI 1447255740 · Infectious Disease Physician · Kentfield, CA
Lael Duncan, MD is a Infectious Disease Physician provider in Kentfield, CA (NPI 1447255740).
Provider details
- NPI number
- 1447255740
- Entity type
- Individual
- Primary specialty
- Infectious Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- G87317 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
21 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
1125 Sir Francis Drake Blvd
Kentfield, CA 94904-1418
Phone: (415) 456-9680
Fax: (415) 485-3507
Approximate (ZIP-level) locationGet directions
Mailing address
1100 Larkspur Landing Cir
Larkspur, CA 94939-1836
Registry dates
- Enumerated
- 2005-06-15
- Last updated
- 2021-01-12
- Certified
- 2021-01-12
Frequently asked questions
- What is Lael Duncan's NPI number?
- Lael Duncan's National Provider Identifier (NPI) is 1447255740, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lael Duncan's specialty?
- Lael Duncan is listed in the NPPES registry with a primary specialty of Infectious Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Lael Duncan located?
- Lael Duncan's practice location on file with NPPES is 1125 Sir Francis Drake Blvd, Kentfield, CA 94904-1418.
- What is Lael Duncan's phone number?
- The practice phone number listed in the NPPES registry for Lael Duncan is (415) 456-9680.
- Is Lael Duncan's NPI active?
- Yes — Lael Duncan's NPI (1447255740) is active in the NPPES registry as of the last update on 2021-01-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.