What is Lian Duffy's NPI number?

Lian Duffy's National Provider Identifier (NPI) is 1730756735, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Lian Duffy's specialty?

Lian Duffy is listed in the NPPES registry with a primary specialty of Community Health Worker (Other Service Providers).

Where is Lian Duffy located?

Lian Duffy's practice location on file with NPPES is 1282 Market St, San Francisco, CA 94102-4801.

What is Lian Duffy's phone number?

The practice phone number listed in the NPPES registry for Lian Duffy is (415) 579-3021.

Is Lian Duffy's NPI active?

Yes — Lian Duffy's NPI (1730756735) is active in the NPPES registry as of the last update on 2021-06-08.

IndividualActive

Lian Duffy

NPI 1730756735 · Community Health Worker · San Francisco, CA

Lian Duffy is a Community Health Worker provider in San Francisco, CA (NPI 1730756735).

Provider details

NPI number: 1730756735
Entity type: Individual
Primary specialty: Community Health WorkerOther Service Providers
Sex: Female
Sole proprietor: Yes

Specialties & taxonomies

Community Health WorkerPrimary172V00000X
Other Service Providers

Profile Score

Established profile(56/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
5 yrs in NPPES registry
Profile completeness38% of score
83% 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

1282 Market St

San Francisco, CA 94102-4801

Phone: (415) 579-3021

Street-level locationGet directions

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Mailing address