Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Jessica Sun Tsai, M.D.

Q: What is the NPI number for Jessica Tsai?

The National Provider Identifier (NPI) for Jessica Tsai is 1174904312, a Type 1 (individual) record in the CMS NPPES registry.

Pediatrics Physician in Antioch, CA · enumerated 2015.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1174904312

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Registry record

Entity type Individual (Type 1)

Name Jessica Sun Tsai

Credential M.D.

Sex Female

Practice address 4053 Lone Tree Way, Antioch, CA, 94531

Phone (925) 756-3400

Enumeration date Jun 13, 2015

Last updated in NPPES Jul 25, 2025

Taxonomy & licenses

208000000X Pediatrics Physician Allopathic & Osteopathic Physicians · License A155582 (CA) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Jessica Tsai?

The National Provider Identifier (NPI) for Jessica Tsai is 1174904312, a Type 1 (individual) record in the CMS NPPES registry.

Where does Jessica Tsai practice?

The practice location on file with NPPES is in Antioch, CA. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Kyla Yee Obstetrics & Gynecology Physician · Antioch, CA NPI 1154347615 Wen-Yin Choi Foot Surgery Podiatrist · Antioch, CA NPI 1013044411 Fatima Syed Internal Medicine Physician · Antioch, CA NPI 1487810883 Ashul Govil Cardiovascular Disease Physician · Antioch, CA NPI 1316189053 Elyas Parsa Emergency Medicine Physician · Antioch, CA NPI 1902034168 Susan Adham Pediatrics Physician · Antioch, CA NPI 1215256599 Ambreen Rahman Emergency Medicine Physician · Antioch, CA NPI 1750693545 Hardeep Saini Family Medicine Physician · Antioch, CA NPI 1982966685

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-07-25.