Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

JACQUELINE MEGAN LEONG MD
NPI 1194302562
Psychiatry & Neurology - Neurology in Saint Louis, MO

Active since March 24, 2021PECOS Enrolled
1201 S GRAND BLVD, SAINT LOUIS, MO 63104(314) 617-2000 Get Directions Write a Review

NPPES record last updated: July 24, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 24, 2026, Jun 9, 2021, Mar 24, 2021 (3 updates tracked since 2021).

About Jacqueline Megan Leong Md NPPES

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

JACQUELINE MEGAN LEONG MD (NPI 1194302562) is an individual neurology provider in Saint Louis, Missouri, licensed in Missouri (2026022821) and active in the NPI registry since March 2021. She is enrolled in Medicare PECOS and maintains a secondary practice location in Chicago.

NPPES Registry Identity

NPI1194302562
Entity TypeIndividualFemale
Primary Taxonomy2084N0400X
Provider Legal NameJACQUELINE MEGAN LEONGCredential: MD
Location Address1201 S GRAND BLVDSaint Louis, MO 63104-1016
Mailing Address251 E Huron StChicago, IL 60611-3055 · (312) 926-2000
Sole ProprietorNo
Enumeration DateMarch 24, 2021
Last NPPES UpdateJuly 24, 20263 updates tracked since enumeration
NPPES CertifiedJuly 24, 2026
NPI 1194302562 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyPsychiatry & Neurology · NeurologyAllopathic & Osteopathic Physicians
Taxonomy Code2084N0400X
Licenses Licensed in MO · 2026022821 Licensed in IL · 125.078129
Definition
A Neurologist specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.
1201 S GRAND BLVD, Saint Louis, MO 63104

Secondary Practice Location 1

Location 1251 E Huron StChicago, IL 60611-3055 · Phone (312) 926-2000

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Jacqueline Megan Leong 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 63104 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
$128.28 typical visit price
range $55.65 – $169.38
Typical copayment $32.07 (range $13.91 – $42.34)
Most-billed visit code 99204
Established Patient
$98.37 typical visit price
range $17.76 – $137.92
Typical copayment $24.59 (range $4.44 – $34.48)
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.

Nurse Practitioner (Acute Care)
1201 S GRAND BLVD
SAINT LOUIS, MO 63104
Student in an Organized Health Care Education/Training Program
1201 S GRAND BLVD
SAINT LOUIS, MO 63104
Hospitalist
1201 S GRAND BLVD
SAINT LOUIS, MO 63104
Student in an Organized Health Care Education/Training Program
1201 S GRAND BLVD
SAINT LOUIS, MO 63104
Physician Assistant
1201 S GRAND BLVD
SAINT LOUIS, MO 63104
Student in an Organized Health Care Education/Training Program
1201 S GRAND BLVD
SAINT LOUIS, MO 63104
Pediatrics
1201 S GRAND BLVD
SAINT LOUIS, MO 63104
Hospitalist
1201 S GRAND BLVD
SAINT LOUIS, MO 63104

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 Jacqueline Leong's NPI number?

The NPI number for Jacqueline Leong is 1194302562. It was assigned to this individual provider in the NPPES registry on March 24, 2021.

Where is Jacqueline Leong located?

Jacqueline Leong practices at 1201 S Grand Blvd, Saint Louis, MO 63104. The listed phone number is (314) 617-2000.

What is Jacqueline Leong's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.

Is Jacqueline Leong enrolled in Medicare?

Yes. Jacqueline Leong is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Jacqueline Leong was last updated on July 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.