DR. MICHAEL JAY YOO MD
NPI 1396249744
Emergency Medicine in San Antonio, TX

Active since March 21, 2018PECOS EnrolledAccepts Medicare Assignment
4502 MEDICAL DR, SAN ANTONIO, TX 78229(210) 743-0024 Get Directions Write a Review

NPPES record last updated: July 11, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 11, 2025, Apr 6, 2023, Sep 15, 2021 and 5 more (8 updates tracked since 2018).

About Dr. Michael Jay Yoo Md NPPES

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

DR. MICHAEL JAY YOO MD (NPI 1396249744) is an individual emergency medicine provider in San Antonio, Texas, licensed in Texas (S8507) and active in the NPI registry since March 2018. He is enrolled in Medicare PECOS, is affiliated with University Health System, and is a graduate of University Of Texas Medical School At Houston (2018).

NPPES Registry Identity

NPI1396249744
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. MICHAEL JAY YOOCredential: MD
Location Address4502 MEDICAL DRSan Antonio, TX 78229-4402
Mailing Address7703 Floyd Curl DrSan Antonio, TX 78229-3901
Sole ProprietorNo
Medical School CMSUniversity Of Texas Medical School At HoustonGraduated 2018
Enumeration DateMarch 21, 2018
Last NPPES UpdateJuly 11, 20258 updates tracked since enumeration
NPPES CertifiedJuly 11, 2025
NPI 1396249744 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
Licenses Licensed in TX · S8507 Licensed in VA · 0101268663
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.
4502 MEDICAL DR, San Antonio, TX 78229

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 and accepts Medicare assignment

Dr. Michael Jay Yoo 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 ID9830590041
PECOS Enrollment IDI20210625000569
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 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.
31 services30 patients
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.
30 services30 patients

Hospital Affiliations CMS Care Compare

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

University Health System

Acute Care Hospitals · San Antonio, TX
3/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number450213
Location4502 Medical DrSan Antonio, TX 78229 · Bexar County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78229 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
$84.92 typical visit price
range $54.84 – $166.88
Typical copayment $21.23 (range $13.71 – $41.72)
Most-billed visit code 99203
Established Patient
$97.05 typical visit price
range $17.52 – $136.11
Typical copayment $24.26 (range $4.38 – $34.02)
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.

Internal Medicine (Cardiovascular Disease)
4502 MEDICAL DR
SAN ANTONIO, TX 78229
Student in an Organized Health Care Education/Training Program
4502 MEDICAL DR
SAN ANTONIO, TX 78229
Student in an Organized Health Care Education/Training Program
4502 MEDICAL DR
SAN ANTONIO, TX 78229
Physical Therapy Assistant
4502 MEDICAL DR
SAN ANTONIO, TX 78229
Nurse Anesthetist, Certified Registered
4502 MEDICAL DR
SAN ANTONIO, TX 78229
Nurse Anesthetist, Certified Registered
4502 MEDICAL DR
SAN ANTONIO, TX 78229
Pharmacist
4502 MEDICAL DR
SAN ANTONIO, TX 78229
Hospitalist
4502 MEDICAL DR
SAN ANTONIO, TX 78229

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 Michael Yoo's NPI number?

The NPI number for Michael Yoo is 1396249744. It was assigned to this individual provider in the NPPES registry on March 21, 2018.

Where is Michael Yoo located?

Michael Yoo practices at 4502 Medical Dr, San Antonio, TX 78229. The listed phone number is (210) 743-0024.

What is Michael Yoo's specialty?

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

Is Michael Yoo enrolled in Medicare?

Yes. Michael Yoo 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 Michael Yoo accept?

Health plans from Blue Cross and Blue Shield of Texas, Imperial Insurance Companies, Inc., Molina Healthcare, Sendero Health Plans, Local Nonprofit and UnitedHealthcare list Michael Yoo 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 Michael Yoo affiliated with any hospitals?

According to CMS data, Michael Yoo is affiliated with University Health System.

When was this NPI record last updated?

The NPPES record for Michael Yoo was last updated on July 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.