DR. JESSICA CHRISTINE WILLIAMS MD
NPI 1548830201
Psychiatry & Neurology - Psychiatry in Saint Louis, MO

Active since June 25, 2021PECOS Enrolled
1 BARNES JEWISH HOSPITAL PLZ, DEPT PSYCHIATRY, SAINT LOUIS, MO 63110(314) 286-1700(314) 970-9094 Get Directions Write a Review

NPPES record last updated: July 16, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Jessica Christine Williams Md NPPES

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

DR. JESSICA CHRISTINE WILLIAMS MD (NPI 1548830201) is an individual psychiatry provider in Saint Louis, Missouri, licensed in Missouri (2023001158) and active in the NPI registry since June 2021. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1548830201
Entity TypeIndividualFemale
Primary Taxonomy2084P0800X
Provider Legal NameDR. JESSICA CHRISTINE WILLIAMSCredential: MD
Location Address1 BARNES JEWISH HOSPITAL PLZ, DEPT PSYCHIATRYSaint Louis, MO 63110-1003
Mailing AddressPo Box 7412011Chicago, IL 60674-2011 · (314) 286-1700 · Fax (314) 970-9094
Fax(314) 970-9094
Sole ProprietorNo
Enumeration DateJune 25, 2021
Last NPPES UpdateJuly 16, 2025
NPPES CertifiedSeptember 20, 2023
NPI 1548830201 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License Licensed in MO · 2023001158
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
1 BARNES JEWISH HOSPITAL PLZ, Saint Louis, MO 63110

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Dr. Jessica Christine Williams Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 63110 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
$169.38 typical visit price
range $55.65 – $169.38
Typical copayment $42.34 (range $13.91 – $42.34)
Most-billed visit code 99205
Established Patient
$69.50 typical visit price
range $17.76 – $137.92
Typical copayment $17.37 (range $4.44 – $34.48)
Most-billed visit code 99213
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.

Hospitalist
1 BARNES JEWISH HOSPITAL PLZ, DIV IM HOSPITALIST
SAINT LOUIS, MO 63110
Obstetrics & Gynecology
1 BARNES JEWISH HOSPITAL PLZ
SAINT LOUIS, MO 63110
Nurse Practitioner (Acute Care)
1 BARNES JEWISH HOSPITAL PLZ, DEPT ANESTHESIOLOGY
SAINT LOUIS, MO 63110
Hospitalist
1 BARNES JEWISH HOSPITAL PLZ, DIV IM HOSPITALIST
SAINT LOUIS, MO 63110
Hospitalist
1 BARNES JEWISH HOSPITAL PLZ, DIV IM HOSPITALIST
SAINT LOUIS, MO 63110
Hospitalist
1 BARNES JEWISH HOSPITAL PLZ, DIV IM HOSPITALIST
SAINT LOUIS, MO 63110
Surgery
1 BARNES JEWISH HOSPITAL PLZ, DIV SURG VASCULAR
SAINT LOUIS, MO 63110
Nurse Anesthetist, Certified Registered
1 BARNES JEWISH HOSPITAL PLZ, DEPT ANESTHESIOLOGY
SAINT LOUIS, MO 63110

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 Williams's NPI number?

The NPI number for Jessica Williams is 1548830201. It was assigned to this individual provider in the NPPES registry on June 25, 2021.

Where is Jessica Williams located?

Jessica Williams practices at 1 Barnes Jewish Hospital Plz Dept Psychiatry, Saint Louis, MO 63110. The listed phone number is (314) 286-1700.

What is Jessica Williams's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Jessica Williams enrolled in Medicare?

Yes. Jessica Williams is registered in the Medicare PECOS enrollment system.

What insurance does Jessica Williams accept?

Health plans from Medica and Oscar Insurance Company list Jessica Williams as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Jessica Williams was last updated on July 16, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.