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

ANNA CHEN
NPI 1811836844
Surgery in San Francisco, CA

Q: What is Anna Chen's NPI number?

The NPI number for Anna Chen is 1811836844. It was assigned to this individual provider in the NPPES registry on March 26, 2026.

Q: What is Anna Chen's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Q: When was this NPI record last updated?

The NPPES record for Anna Chen was last updated on October 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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 March 26, 2026

513 PARNASSUS AVE # S321, SAN FRANCISCO, CA 94143(415) 476-1239 Get Directions Write a Review

NPPES record last updated: October 10, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Oct 10, 2026, Mar 26, 2026 (2 updates tracked since 2026).

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About Anna Chen NPPES

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

ANNA CHEN (NPI 1811836844) is an individual surgery provider in San Francisco, California, licensed in California (PTL22955) and active in the NPI registry since March 2026.

NPPES Registry Identity

NPI1811836844

Entity TypeIndividualFemale

Primary Taxonomy208600000X

Provider Legal NameANNA CHEN

Location Address513 PARNASSUS AVE # S321San Francisco, CA 94143-2205

Mailing Address513 Parnassus Ave # S321San Francisco, CA 94143-2205

Phone(415) 476-1239

Sole ProprietorNo

Enumeration DateMarch 26, 2026

Last NPPES UpdateOctober 10, 20262 updates tracked since enumeration

NPPES CertifiedOctober 10, 2026

✔ NPI 1811836844 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians

Taxonomy Code208600000X

License✔ Licensed in CA · PTL22955

Definition

A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.

513 PARNASSUS AVE # S321, San Francisco, CA 94143

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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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