Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Abigail A Justiss, MD

Obstetrics & Gynecology Physician in Union City, CA · enumerated 2013 · practices at Kaiser Foundation Health Plan Inc.

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

National Provider Identifier

1144664624

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Registry record

Entity type Individual (Type 1)

Name Dr. Abigail A Justiss

Credential MD

Sex Female

Practice address 3555 Whipple Rd, Union City, CA, 94587

Phone (510) 675-4010

Enumeration date Apr 26, 2013

Last updated in NPPES Sep 14, 2022

Taxonomy & licenses

207V00000X Obstetrics & Gynecology Physician Allopathic & Osteopathic Physicians · License 57.023233 (OH) Secondary

207V00000X Obstetrics & Gynecology Physician Allopathic & Osteopathic Physicians · License R8759 (TX) Secondary

207V00000X Obstetrics & Gynecology Physician Allopathic & Osteopathic Physicians · License MD60739193 (WA) Secondary

207V00000X Obstetrics & Gynecology Physician Allopathic & Osteopathic Physicians · License 180250 (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.

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Frequently asked questions

What is the NPI number for Abigail Justiss?

The National Provider Identifier (NPI) for Abigail Justiss is 1144664624, a Type 1 (individual) record in the CMS NPPES registry.

Where does Abigail Justiss practice?

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

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-09-14.