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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

ANNABELLE RUISI YANG MD
NPI 1871489989
Psychiatry & Neurology - Neurology in Saint Louis, MO

Active since June 16, 2025PECOS Enrolled
660 S EUCLID AVE, SAINT LOUIS, MO 63110(314) 362-9100(314) 362-9107 Get Directions Write a Review

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

Record update history: Jul 16, 2026, Jun 16, 2025 (2 updates tracked since 2025).

About Annabelle Ruisi Yang Md NPPES

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

ANNABELLE RUISI YANG MD (NPI 1871489989) is an individual neurology provider in Saint Louis, Missouri, licensed in Missouri (2025022150) and active in the NPI registry since June 2025. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1871489989
Entity TypeIndividualFemale
Primary Taxonomy2084N0400X
Provider Legal NameANNABELLE RUISI YANGCredential: MD
Location Address660 S EUCLID AVESaint Louis, MO 63110-1010
Mailing Address660 S Euclid AveSaint Louis, MO 63110-1010 · (314) 362-9100 · Fax (314) 362-9107
Phone(314) 362-9100
Fax(314) 362-9107
Sole ProprietorNo
Enumeration DateJune 16, 2025
Last NPPES UpdateJuly 16, 20262 updates tracked since enumeration
NPPES CertifiedJuly 16, 2026
✔ NPI 1871489989 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · NeurologyAllopathic & Osteopathic Physicians
Taxonomy Code2084N0400X
License✔ Licensed in MO · 2025022150
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.
660 S EUCLID AVE, Saint Louis, MO 63110
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Annabelle Ruisi Yang 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
$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.

WUSM BJC ACO PROVIDERS
Clinic/Center (Multi-Specialty)
660 S EUCLID AVE, CAMPUS BOX 8081
SAINT LOUIS, MO 63110
St. Louis City (314) 273-0770
ANDREA YUE-EN SUN MD
Student in an Organized Health Care Education/Training Program
660 S EUCLID AVE
SAINT LOUIS, MO 63110
St. Louis City (314) 362-8065
MEGAN CLAIRE KERNS MD
Student in an Organized Health Care Education/Training Program
660 S EUCLID AVE
SAINT LOUIS, MO 63110
St. Louis City (314) 362-8065
WASHINGTON UNIVERSITY
Clinic/Center (Multi-Specialty)
660 S EUCLID AVE
SAINT LOUIS, MO 63110
St. Louis City (314) 362-5184
SARAH B. ASCHKENASI MD
Pediatrics
660 S EUCLID AVE
SAINT LOUIS, MO 63110
St. Louis City (314) 286-1264
DR. BENJAMIN HARRIS TIMMINS M.D.
Plastic Surgery
660 S EUCLID AVE
SAINT LOUIS, MO 63110
St. Louis City (435) 764-4932
ANDREA NAES NP
Nurse Practitioner
660 S EUCLID AVE
SAINT LOUIS, MO 63110
St. Louis City (314) 362-3706
DR. JONATHAN M GREEN MD
Internal Medicine (Pulmonary Disease)
660 S EUCLID AVE
SAINT LOUIS, MO 63110
St. Louis City (314) 454-8917

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 Annabelle Yang's NPI number?

The NPI number for Annabelle Yang is 1871489989. It was assigned to this individual provider in the NPPES registry on June 16, 2025.

Where is Annabelle Yang located?

Annabelle Yang practices at 660 S Euclid Ave, Saint Louis, MO 63110. The listed phone number is (314) 362-9100.

What is Annabelle Yang's specialty?

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

Is Annabelle Yang enrolled in Medicare?

Yes. Annabelle Yang is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Annabelle Yang was last updated on July 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 28 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.