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HYUN DON YUN MD
NPI 1508090473
Internal Medicine - Hematology & Oncology in Irvine, CA

Active since May 07, 2009PECOS EnrolledAccepts Medicare Assignment
4950 BARRANCA PKWY STE 210, IRVINE, CA 92604(410) 599-2882(410) 599-2882 Get Directions Write a Review

NPPES record last updated: June 15, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: May 15, 2026, Jan 6, 2025, Aug 12, 2021 and 4 more (7 updates tracked since 2019).

About Hyun Don Yun Md NPPES

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

HYUN DON YUN MD (NPI 1508090473) is an individual hematology & oncology provider in Irvine, California, licensed in California (A172166) and active in the NPI registry since May 2009. He is enrolled in Medicare PECOS, is affiliated with Trinity Rock Island, and is a graduate of Other (2005).

NPPES Registry Identity

NPI1508090473
Entity TypeIndividualMale
Primary Taxonomy207RH0003X
Provider Legal NameHYUN DON YUNCredential: MD
Location Address4950 BARRANCA PKWY STE 210Irvine, CA 92604-8648
Mailing Address14 Apple VlyIrvine, CA 92602-1014 · (410) 599-2882
Phone(410) 599-2882
Fax(410) 599-2882
Sole ProprietorNo
Medical School CMSOtherGraduated 2005
Enumeration DateMay 7, 2009
Last NPPES UpdateJune 15, 20267 updates tracked since enumeration
NPPES CertifiedJune 15, 2026
✔ NPI 1508090473 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
License✔ Licensed in CA · A172166
Definition
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
Also ListedInternal MedicineTaxonomy 207R00000X · License A172166 (CA)
Also ListedInternal Medicine · HematologyTaxonomy 207RH0000X · License A172166 (CA)
Also ListedInternal Medicine · Medical OncologyTaxonomy 207RX0202X · License A172166 (CA)
4950 BARRANCA PKWY STE 210, Irvine, CA 92604
Open in Google Maps ↗

Other Identifiers 3

OtherCA477608CA · Medicare
OtherCA477679CA · Medicare
OtherCB376043CA · Medicare

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Kansas, Inc., Providence Health Plan.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

Hyun Don Yun 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 ID8921254996
PECOS Enrollment IDI20190701000078
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.

Trinity Rock Island

Acute Care Hospitals · Rock Island, IL
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140280
Location2701 17th StRock Island, IL 61201 · Rock Island County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92604 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
$187.60 typical visit price
range $62.96 – $187.60
Typical copayment $46.90 (range $15.74 – $46.90)
Most-billed visit code 99205
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
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

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

HYUN DON YUN M.D. PC
Internal Medicine
4950 BARRANCA PKWY STE 210
IRVINE, CA 92604
Orange County (410) 599-2882

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 Hyun Don Yun's NPI number?

The NPI number for Hyun Don Yun is 1508090473. It was assigned to this individual provider in the NPPES registry on May 7, 2009.

Where is Hyun Don Yun located?

Hyun Don Yun practices at 4950 Barranca Pkwy Ste 210, Irvine, CA 92604. The listed phone number is (410) 599-2882.

What is Hyun Don Yun's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Is Hyun Don Yun enrolled in Medicare?

Yes. Hyun Don Yun 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 Hyun Don Yun accept?

Health plans from Blue Cross and Blue Shield of Kansas, Inc. and Providence Health Plan list Hyun Don Yun 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 Hyun Don Yun affiliated with any hospitals?

According to CMS data, Hyun Don Yun is affiliated with Trinity Rock Island.

When was this NPI record last updated?

The NPPES record for Hyun Don Yun was last updated on June 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 51 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.