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

JULIE KOO PA-C
NPI 1265172332
Physician Assistant in San Antonio, TX

Q: What is Julie Koo's NPI number?

The NPI number for Julie Koo is 1265172332. It was assigned to this individual provider in the NPPES registry on March 29, 2022.

Q: What is Julie Koo's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Q: When was this NPI record last updated?

The NPPES record for Julie Koo was last updated on July 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 30 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.

Active since March 29, 2022PECOS EnrolledAccepts Medicare Assignment

4502 MEDICAL DR, SAN ANTONIO, TX 78229(210) 358-4000(210) 358-4775 Get Directions Write a Review

NPPES record last updated: July 22, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jul 22, 2026, Jan 14, 2026, Nov 15, 2024 and 2 more (5 updates tracked since 2022).

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About Julie Koo Pa-c NPPES

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

JULIE KOO PA-C (NPI 1265172332) is an individual physician assistant in San Antonio, Texas, licensed in Texas (PA15576) and active in the NPI registry since March 2022. She is enrolled in Medicare PECOS, is affiliated with University Health System, and is a graduate of Other (2021).

NPPES Registry Identity

NPI1265172332

Entity TypeIndividualFemale

Primary Taxonomy363A00000X

Provider Legal NameJULIE KOOCredential: PA-C

Location Address4502 MEDICAL DRSan Antonio, TX 78229-4402

Mailing Address4502 Medical DrSan Antonio, TX 78229-4402 · (210) 358-4000 · Fax (210) 358-4775

Phone(210) 358-4000

Fax(210) 358-4775

Sole ProprietorNo

Medical School CMSOtherGraduated 2021

Enumeration DateMarch 29, 2022

Last NPPES UpdateJuly 22, 20265 updates tracked since enumeration

NPPES CertifiedJuly 22, 2026

✔ NPI 1265172332 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363A00000X

License✔ Licensed in TX · PA15576

Definition

A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

Also ListedPhysician Assistant · MedicalTaxonomy 363AM0700X · License PA15576 (TX)

4502 MEDICAL DR, San Antonio, TX 78229

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas, Imperial Insurance Companies, Inc., Molina Healthcare and more.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

Julie Koo Pa-c 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 ID4284019233

PECOS Enrollment IDI20220913000029

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.

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

$68.55 typical visit price

range $17.52 – $136.11

Typical copayment $17.13 (range $4.38 – $34.02)

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.

EDUARDO N. POLLONO MD

Internal Medicine (Cardiovascular Disease)