JESSICA WEN XIAO MD
NPI 1164008785
Internal Medicine in Antioch, CA

Active since March 23, 2021PECOS EnrolledAccepts Medicare Assignment
4501 SAND CREEK RD, ANTIOCH, CA 94531(925) 858-1579 Get Directions Write a Review

NPPES record last updated: September 16, 2024. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Sep 16, 2024, Sep 7, 2024, Jul 9, 2024 and 1 more (4 updates tracked since 2021).

About Jessica Wen Xiao Md NPPES

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

JESSICA WEN XIAO MD (NPI 1164008785) is an individual internal medicine provider in Antioch, California, licensed in California (185362) and active in the NPI registry since March 2021. She is enrolled in Medicare PECOS and is a graduate of University Of California, San Diego School Of Medicine (2021).

NPPES Registry Identity

NPI1164008785
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameJESSICA WEN XIAOCredential: MD
Location Address4501 SAND CREEK RDAntioch, CA 94531-8687
Mailing Address4501 Sand Creek RdAntioch, CA 94531-8687
Sole ProprietorNo
Medical School CMSUniversity Of California, San Diego School Of MedicineGraduated 2021
Enumeration DateMarch 23, 2021
Last NPPES UpdateSeptember 16, 20244 updates tracked since enumeration
NPPES CertifiedSeptember 9, 2024
NPI 1164008785 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in CA · 185362
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
4501 SAND CREEK RD, Antioch, CA 94531

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Jessica Wen Xiao Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3779024716
PECOS Enrollment IDI20240918001850
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94531 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$153.83 typical visit price
range $69.00 – $202.35
Typical copayment $38.45 (range $17.25 – $50.58)
Most-billed visit code 99204
Established Patient
$119.48 typical visit price
range $23.44 – $166.46
Typical copayment $29.87 (range $5.86 – $41.61)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

Pharmacist (Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist)
4501 SAND CREEK RD
ANTIOCH, CA 94531
Internal Medicine
4501 SAND CREEK RD
ANTIOCH, CA 94531
Physician Assistant
4501 SAND CREEK RD
ANTIOCH, CA 94531
Hospitalist
4501 SAND CREEK RD
ANTIOCH, CA 94531
Physical Therapist
4501 SAND CREEK RD
ANTIOCH, CA 94531
Pharmacist
4501 SAND CREEK RD
ANTIOCH, CA 94531
Pharmacist
4501 SAND CREEK RD
ANTIOCH, CA 94531
Respiratory Therapist, Registered
4501 SAND CREEK RD
ANTIOCH, CA 94531

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 Jessica Xiao's NPI number?

The NPI number for Jessica Xiao is 1164008785. It was assigned to this individual provider in the NPPES registry on March 23, 2021.

Where is Jessica Xiao located?

Jessica Xiao practices at 4501 Sand Creek Rd, Antioch, CA 94531. The listed phone number is (925) 858-1579.

What is Jessica Xiao's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Jessica Xiao enrolled in Medicare?

Yes. Jessica Xiao is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Jessica Xiao was last updated on September 16, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 months 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.