Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

RICKY S CHEN RN
NPI 1720505464
Registered Nurse in San Francisco, CA

Q: What is Ricky Chen's NPI number?

The NPI number for Ricky Chen is 1720505464. It was assigned to this individual provider in the NPPES registry on August 24, 2017.

Q: What is Ricky Chen's specialty?

The primary specialty registered for this NPI is Registered Nurse with taxonomy code 163W00000X.

Q: When was this NPI record last updated?

The NPPES record for Ricky Chen was last updated on September 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since August 24, 2017

4150 CLEMENT ST, SAN FRANCISCO, CA 94121(415) 361-6075 Get Directions Write a Review

NPPES record last updated: September 11, 2026. Verified against the NPPES registry weekly; last sync: September 20, 2026.

Record update history: Sep 11, 2026, Aug 24, 2017 (2 updates tracked since 2017).

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About Ricky S Chen Rn NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

RICKY S CHEN RN (NPI 1720505464) is an individual registered nurse in San Francisco, California, licensed in California (95111202) and active in the NPI registry since August 2017.

NPPES Registry Identity

NPI1720505464

Entity TypeIndividualMale

Primary Taxonomy163W00000X

Provider Legal NameRICKY S CHENCredential: RN

Location Address4150 CLEMENT STSan Francisco, CA 94121-1563

Mailing Address4150 Clement StSan Francisco, CA 94121-1563 · (415) 361-6075

Phone(415) 361-6075

Sole ProprietorNo

Enumeration DateAugust 24, 2017

Last NPPES UpdateSeptember 11, 20262 updates tracked since enumeration

NPPES CertifiedSeptember 11, 2026

✔ NPI 1720505464 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyRegistered NurseNursing Service Providers

Taxonomy Code163W00000X

License✔ Licensed in CA · 95111202

Definition

(1) A registered nurse is a person qualified by graduation from an accredited nursing school (depending upon schooling, a registered nurse may receive either a diploma from a hospital program, an associate degree in nursing (A.D.N.) or a Bachelor of Science degree in nursing (B.S.N.), who is licensed or certified by the state, and is practicing within the scope of that license or certification. R.N.'s assist patient in recovering and maintaining their physical or mental health. They assist physicians during treatments and examinations and administer medications. (2) A provider who is trained and educated in a formal nursing education program at an accredited school of nursing, passes a national certification examination, and is licensed by the state to practice nursing. The individual provides nursing services to patients or clients in areas such as health promotion, disease prevention, acute and chronic care and restoration and maintenance of health across the life span.

Also ListedRegistered Nurse · Addiction (Substance Use Disorder)Taxonomy 163WA0400X · License 95111202 (CA)

4150 CLEMENT ST, San Francisco, CA 94121

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Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

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