DR. MARY RUI YU MD
NPI 1861807026
Emergency Medicine in Saint Louis, MO

Q: What is Mary Yu's NPI number?

The NPI number for Mary Yu is 1861807026. It was assigned to this individual provider in the NPPES registry on June 26, 2014. The provider is also known as Dr. Mary R Yu MD.

Q: What is Mary Yu's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Q: When was this NPI record last updated?

The NPPES record for Mary Yu was last updated on August 10, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years 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.

Active since June 26, 2014PECOS EnrolledAccepts Medicare Assignment

1 BARNES-JEWISH HOSPITAL PLAZA, BARNES-JEWISH HOSPITAL, SAINT LOUIS, MO 63110(314) 362-5000 Get Directions Write a Review

NPPES record last updated: August 10, 2021. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Dr. Mary Rui Yu Md NPPES

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

DR. MARY RUI YU MD (NPI 1861807026) is an individual emergency medicine provider in Saint Louis, Missouri, licensed in Missouri (2016011166) and active in the NPI registry since June 2014. She is enrolled in Medicare PECOS, is affiliated with Memorial Hospital, and is a graduate of Other (2014).

NPPES Registry Identity

NPI1861807026

Entity TypeIndividualFemale

Primary Taxonomy207P00000X

Provider Legal NameDR. MARY RUI YUCredential: MD

Location Address1 BARNES-JEWISH HOSPITAL PLAZA, BARNES-JEWISH HOSPITALSaint Louis, MO 63110-1010

Mailing Address660 S Euclid Ave, Washington UniversitySaint Louis, MO 63110-1010 · (314) 362-5000

Phone(314) 362-5000

Sole ProprietorNo

Medical School CMSOtherGraduated 2014

Enumeration DateJune 26, 2014

Last NPPES UpdateAugust 10, 2021

NPPES CertifiedAugust 10, 2021

✔ NPI 1861807026 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207P00000X

License✔ Licensed in MO · 2016011166

Definition

An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.

1 BARNES-JEWISH HOSPITAL PLAZA, Saint Louis, MO 63110

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Other Names 1

Professional Name (2)Dr. Mary R Yu Md

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Medica.Insurance ›

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

Dr. Mary Rui Yu 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 ID9335369743

PECOS Enrollment IDI20241030002247

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.

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Emergency department visit with high level of medical decision making 99285

An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.

86 services85 patients

Emergency department visit with moderate level of medical decision making 99284

An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.

41 services41 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Memorial Hospital

Acute Care Hospitals · Belleville, IL

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140185

Location4500 Memorial DriveBelleville, IL 62226 · St. Clair County

Emergency services Birthing friendly

Parkland Health Center

Acute Care Hospitals · Farmington, MO

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number260163

Location1101 W LibertyFarmington, MO 63640 · St. Francois County

Emergency services Birthing friendly

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

$86.32 typical visit price

range $55.65 – $169.38

Typical copayment $21.58 (range $13.91 – $42.34)

Most-billed visit code 99203

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 7

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. WILLIAM KELLS BOLAND MD

Emergency Medicine (Emergency Medical Services)

1 BARNES-JEWISH HOSPITAL PLAZA
ST. LOUIS, MO 63110

St. Louis City (314) 362-5000

TYLER KENNEDY PHARMD

Pharmacist (Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist)

1 BARNES-JEWISH HOSPITAL PLAZA, MAILSTOP 90-52-411
SAINT LOUIS, MO 63110

St. Louis City (314) 362-5339

VANESSA EULO M.D.

Internal Medicine

1 BARNES-JEWISH HOSPITAL PLAZA
ST. LOUIS, MO 63110

St. Louis City (314) 362-5000

IRVIANNY ROSARIO MADERA MD

Student in an Organized Health Care Education/Training Program

1 BARNES-JEWISH HOSPITAL PLAZA, IM DIVISION OF NEPHROLOGY
ST LOUIS, MO 63110

St. Louis City (314) 362-9096

SOPAN LAHEWALA M.D.

Internal Medicine (Cardiovascular Disease)

1 BARNES-JEWISH HOSPITAL PLAZA, DIV IM CARDIOLOGY
SAINT LOUIS, MO 63110

St. Louis City (314) 362-1291

DR. FRED WILLIAM POHLMAN II MD, MPH

Student in an Organized Health Care Education/Training Program

1 BARNES-JEWISH HOSPITAL PLAZA, DIV IM CARDIOLOGY
SAINT LOUIS, MO 63110

St. Louis City (314) 362-1291

DR. ALLISON SLIJEPCEVIC M.D.

Otolaryngology

1 BARNES-JEWISH HOSPITAL PLAZA, BARNES-JEWISH HOSPITAL
ST LOUIS, MO 63110

St. Louis City (314) 362-5000

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 Mary Yu's NPI number?

The NPI number for Mary Yu is 1861807026. It was assigned to this individual provider in the NPPES registry on June 26, 2014. The provider is also known as Dr. Mary R Yu MD.

Where is Mary Yu located?

Mary Yu practices at 1 Barnes-Jewish Hospital Plaza Barnes-Jewish Hospital, Saint Louis, MO 63110. The listed phone number is (314) 362-5000.

What is Mary Yu's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Mary Yu enrolled in Medicare?

Yes. Mary Yu 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.

What insurance does Mary Yu accept?

Health plans from Medica list Mary Yu 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.

Is Mary Yu affiliated with any hospitals?

According to CMS data, Mary Yu is affiliated with Memorial Hospital and Parkland Health Center.

When was this NPI record last updated?

The NPPES record for Mary Yu was last updated on August 10, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years 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.