Kathy Chen
NPI 1871255927 · Physician Assistant · San Francisco, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kathy Chen is a Physician Assistant provider in San Francisco, CA (NPI 1871255927).
Provider details
- NPI number
- 1871255927
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
4 yrs in NPPES registry
- Profile completeness33% of score
83% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,109 across 28 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2021-10-06
- Last updated
- 2025-04-27
- Certified
- 2025-04-27
Frequently asked questions
- What is Kathy Chen's NPI number?
- Kathy Chen's National Provider Identifier (NPI) is 1871255927, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kathy Chen's specialty?
- Kathy Chen is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Kathy Chen located?
- Kathy Chen's practice location on file with NPPES is 459 Geary St Ste 400, San Francisco, CA 94102-1275.
- What is Kathy Chen's phone number?
- The practice phone number listed in the NPPES registry for Kathy Chen is (415) 329-5100.
- Does Kathy Chen accept Medicare?
- Kathy Chen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kathy Chen's NPI active?
- Yes — Kathy Chen's NPI (1871255927) is active in the NPPES registry as of the last update on 2025-04-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.