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

ANDREW TSENG DO
NPI 1154070423
Anesthesiology in Orange, CA

Active since March 22, 2022
101 THE CITY DR S, ORANGE, CA 92868(714) 456-7890 Get Directions Write a Review

NPPES record last updated: August 13, 2026. Verified against the NPPES registry weekly; last sync: August 30, 2026.

Record update history: Aug 13, 2026, Mar 30, 2026, Jun 9, 2022 (3 updates tracked since 2022).

About Andrew Tseng Do NPPES

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

ANDREW TSENG DO (NPI 1154070423) is an individual anesthesiology provider in Orange, California, licensed in California (20A24871) and active in the NPI registry since March 2022. He maintains a secondary practice location in Philadelphia.

NPPES Registry Identity

NPI1154070423
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameANDREW TSENGCredential: DO
Location Address101 THE CITY DR SOrange, CA 92868-3201
Mailing Address111 S 11th St Ste 8290Philadelphia, PA 19107-4824
Sole ProprietorNo
Enumeration DateMarch 22, 2022
Last NPPES UpdateAugust 13, 20263 updates tracked since enumeration
NPPES CertifiedAugust 13, 2026
NPI 1154070423 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License Licensed in CA · 20A24871
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
101 THE CITY DR S, Orange, CA 92868

Secondary Practice Location 1

Location 1111 S 11th St Ste 8290Philadelphia, PA 19107-4824 · Phone (215) 955-2370 · Fax (215) 955-0677

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.

Radiology (Diagnostic Radiology)
101 THE CITY DR S
ORANGE, CA 92868
Obstetrics & Gynecology
101 THE CITY DR S, BUILDING 56, DEPARTMENT OF OB/GYN
ORANGE, CA 92868
Internal Medicine (Rheumatology)
101 THE CITY DR S
ORANGE, CA 92868
Plastic Surgery
101 THE CITY DR S
ORANGE, CA 92868
Emergency Medicine
101 THE CITY DR S, BUILDING 1A, ROOM 1009
ORANGE, CA 92868
Psychiatry & Neurology (Neurology)
101 THE CITY DR S, CITY TOWER, SUITE 400
ORANGE, CA 92868
Surgery (Trauma Surgery)
101 THE CITY DR S
ORANGE, CA 92868
Emergency Medicine
101 THE CITY DR S
ORANGE, CA 92868

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Andrew Tseng's NPI number?

The NPI number for Andrew Tseng is 1154070423. It was assigned to this individual provider in the NPPES registry on March 22, 2022.

Where is Andrew Tseng located?

Andrew Tseng practices at 101 The City Dr S, Orange, CA 92868. The listed phone number is (714) 456-7890.

What is Andrew Tseng's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

When was this NPI record last updated?

The NPPES record for Andrew Tseng was last updated on August 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 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.