What is Joanne Quan's NPI number?

Joanne Quan's National Provider Identifier (NPI) is 1205785623, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Joanne Quan's specialty?

Joanne Quan is listed in the NPPES registry with a primary specialty of Pulmonary Disease Physician (Allopathic & Osteopathic Physicians).

Where is Joanne Quan located?

Joanne Quan's practice location on file with NPPES is 407 Costa Rica Ave, San Mateo, CA 94402-1105.

What is Joanne Quan's phone number?

The practice phone number listed in the NPPES registry for Joanne Quan is (650) 667-9222.

Is Joanne Quan's NPI active?

Yes — Joanne Quan's NPI (1205785623) is active in the NPPES registry as of the last update on 2026-01-27.

IndividualActive

Joanne Quan

NPI 1205785623 · Pulmonary Disease Physician · San Mateo, CA

Joanne Quan is a Pulmonary Disease Physician provider in San Mateo, CA (NPI 1205785623).

Provider details

NPI number: 1205785623
Entity type: Individual
Primary specialty: Pulmonary Disease PhysicianAllopathic & Osteopathic Physicians
Sex: Female
Sole proprietor: Yes
License: G86077 (CA)

Specialties & taxonomies

Pulmonary Disease PhysicianPrimary207RP1001XLicense G86077 (CA)
Allopathic & Osteopathic Physicians

Profile Score

Established profile(53/100 index)

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

Registry tenure38% of score
Under 1 yr in 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

407 Costa Rica Ave

San Mateo, CA 94402-1105

Phone: (650) 667-9222

Street-level locationGet directions

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Mailing address