1. Home
  2. Directory
  3. Texas
  4. Irving
  5. Pathology
  6. NPI Profile

DR. JI YOON YOON M.D.
NPI 1326277286
Pathology - Anatomic Pathology & Clinical Pathology in Irving, TX

Active since July 13, 2009PECOS EnrolledAccepts Medicare Assignment
6655 N MACARTHUR BLVD, IRVING, TX 75039(214) 277-8700(214) 596-7484 Get Directions Write a Review

NPPES record last updated: June 5, 2019. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jun 5, 2019, Mar 21, 2018 (2 updates tracked since 2018).

About Dr. Ji Yoon Yoon M.d. NPPES

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

DR. JI YOON YOON M.D. (NPI 1326277286) is an individual anatomic pathology & clinical pathology provider in Irving, Texas, licensed in Texas (Q0598) and active in the NPI registry since July 2009. She is enrolled in Medicare PECOS and is a graduate of Other (2002).

NPPES Registry Identity

NPI1326277286
Entity TypeIndividualFemale
Primary Taxonomy207ZP0102X
Provider Legal NameDR. JI YOON YOONCredential: M.D.
Location Address6655 N MACARTHUR BLVDIrving, TX 75039-2443
Mailing AddressPo Box 841363Dallas, TX 75284-3163 · (888) 344-1160 · Fax (972) 331-3148
Phone(214) 277-8700
Fax(214) 596-7484
Sole ProprietorNo
Medical School CMSOtherGraduated 2002
Enumeration DateJuly 13, 2009
Last NPPES UpdateJune 5, 20192 updates tracked since enumeration
✔ NPI 1326277286 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPathology · Anatomic Pathology & Clinical PathologyAllopathic & Osteopathic Physicians
Taxonomy Code207ZP0102X
Licenses✔ Licensed in TX · Q0598✔ Licensed in MI · 4301094973
Definition
A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.
Also ListedPathology · Anatomic PathologyTaxonomy 207ZP0101X · License 4301094973 (MI)
6655 N MACARTHUR BLVD, Irving, TX 75039
Open in Google Maps ↗

Other Names 1

Other Name (5)Dr. Ji Yoon Yoon

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Ji Yoon Yoon M.d. 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 ID6608010194
PECOS Enrollment IDI20140915000926
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.

Medicare Billing Reassignment

Medicare enrollment records show Ji Yoon Yoon reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Metroplex Pathology Associates
4.2 mi
Anatomic Pathology & Clinical Pathology
1111 S FREEPORT PKWY
Coppell, TX 75019
  • Reassigned Medicare billing, Texas enrollment
  • 29 clinicians in this Medicare group
NPI 1942223029 (800) 979-8292

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 75039 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
$131.01 typical visit price
range $57.18 – $172.86
Typical copayment $32.75 (range $14.29 – $43.21)
Most-billed visit code 99204
Established Patient
$100.80 typical visit price
range $18.48 – $141.20
Typical copayment $25.20 (range $4.62 – $35.30)
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.

DR. DANIEL THOMAS NEVIN MD
Pathology (Anatomic Pathology & Clinical Pathology)
6655 N MACARTHUR BLVD
IRVING, TX 75039
Dallas County (214) 277-8700
CARIS MPI, INC.
Clinical Medical Laboratory
6655 N MACARTHUR BLVD, 3RD FLOOR
IRVING, TX 75039
Dallas County (214) 716-4020
ROBERT MAXIMILIAN GENTA MD
Pathology (Anatomic Pathology)
6655 N MACARTHUR BLVD
IRVING, TX 75039
Dallas County (214) 277-8700
ANURADHA VIJAY SINGHAL MD
Pathology (Anatomic Pathology & Clinical Pathology)
6655 N MACARTHUR BLVD
IRVING, TX 75039
Dallas County (214) 277-8700
DR. RICHARD H. LASH MD
Pathology (Anatomic Pathology & Clinical Pathology)
6655 N MACARTHUR BLVD
IRVING, TX 75039
Dallas County (214) 277-8700
DR. REENU MALHOTRA MD
Pathology (Anatomic Pathology & Clinical Pathology)
6655 N MACARTHUR BLVD
IRVING, TX 75039
Dallas County (214) 277-8700
MR. KEVIN JAMES MCQUAID MD
Pathology (Anatomic Pathology & Clinical Pathology)
6655 N MACARTHUR BLVD
IRVING, TX 75039
Dallas County (214) 277-8700
ERICK MARCEL NAAR M.D.
Pathology (Anatomic Pathology & Clinical Pathology)
6655 N MACARTHUR BLVD
IRVING, TX 75039
Dallas County (214) 277-8700

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 Ji Yoon Yoon's NPI number?

The NPI number for Ji Yoon Yoon is 1326277286. It was assigned to this individual provider in the NPPES registry on July 13, 2009. The provider is also known as Dr. Ji Yoon Yoon.

Where is Ji Yoon Yoon located?

Ji Yoon Yoon practices at 6655 N Macarthur Blvd, Irving, TX 75039. The listed phone number is (214) 277-8700.

What is Ji Yoon Yoon's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.

Is Ji Yoon Yoon enrolled in Medicare?

Yes. Ji Yoon Yoon 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.

Which organization bills Medicare for Ji Yoon Yoon's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ji Yoon Yoon reassigns Medicare benefits to Metroplex Pathology Associates (Coppell, TX). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Ji Yoon Yoon's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Ji Yoon Yoon accept?

Health plans from Blue Cross and Blue Shield of Texas list Ji Yoon Yoon 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.

When was this NPI record last updated?

The NPPES record for Ji Yoon Yoon was last updated on June 5, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.