MRS. YUN J KIM MD
NPI 1255431300
Ophthalmology in Buena Park, CA

Q: What is Yun Kim's NPI number?

The NPI number for Yun Kim is 1255431300. It was assigned to this individual provider in the NPPES registry on September 25, 2006.

Q: What is Yun Kim's specialty?

The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.

Q: When was this NPI record last updated?

The NPPES record for Yun Kim was last updated on May 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.

Active since September 25, 2006PECOS EnrolledAccepts Medicare Assignment

94.66/100

CMS Quality Rating

5832 BEACH BLVD UNIT 109A, BUENA PARK, CA 90621(714) 228-1888(714) 676-8308 Get Directions Write a Review

NPPES record last updated: May 29, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: May 29, 2026, May 5, 2021, Apr 21, 2021 (3 updates tracked since 2021).

On this page

About Mrs. Yun J Kim Md NPPES

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

MRS. YUN J KIM MD (NPI 1255431300) is an individual ophthalmology provider in Buena Park, California, licensed in California (A62158) and active in the NPI registry since September 2006. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Loma Linda University School Of Medicine (1995).

NPPES Registry Identity

NPI1255431300

Entity TypeIndividualFemale

Primary Taxonomy207W00000X

Provider Legal NameMRS. YUN J KIMCredential: MD

Location Address5832 BEACH BLVD UNIT 109ABuena Park, CA 90621-5500

Mailing AddressPo Box 190Buena Park, CA 90621-0190 · (714) 228-1888 · Fax (714) 676-8308

Phone(714) 228-1888

Fax(714) 676-8308

Sole ProprietorNo

Medical School CMSLoma Linda University School Of MedicineGraduated 1995

Enumeration DateSeptember 25, 2006

Last NPPES UpdateMay 29, 20263 updates tracked since enumeration

NPPES CertifiedMay 29, 2026

✔ NPI 1255431300 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians

Taxonomy Code207W00000X

License✔ Licensed in CA · A62158

Definition

An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.

5832 BEACH BLVD UNIT 109A, Buena Park, CA 90621

Open in Google Maps ↗

Secondary Practice Locations 2

Location 1266 S Harvard Blvd Ste 500Los Angeles, CA 90004-4390 · Phone (213) 739-6900 · Fax (213) 201-5399

Location 219038 Norwalk BlvdArtesia, CA 90701-7032 · Phone (562) 653-9500

Other Identifiers 1

Medicaid00A621580CA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma and more.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

Mrs. Yun J Kim 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 ID4880587385

PECOS Enrollment IDI20040413001208

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 Reassignments

Medicare enrollment records show Yun Kim reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Eyecare Medical Corporation

Same address

Ophthalmology

5832 BEACH BLVD UNIT 109
Buena Park, CA 90621

Reassigned Medicare billing, California enrollment
11 clinicians in this Medicare group

NPI 1427016120 (714) 228-1888

Kcs, Inc.

0.7 mi

Federally Qualified Health Center (FQHC)

8352 COMMONWEALTH AVE
Buena Park, CA 90621

Reassigned Medicare billing, California enrollment
32 clinicians in this Medicare group

NPI 1831600634 (714) 503-6550

Bethel Eye Center Medical Corporation

22 mi

Ophthalmology

266 S HARVARD BLVD, SUITE 500
Los Angeles, CA 90004

Reassigned Medicare billing, California enrollment
11 clinicians in this Medicare group

NPI 1972980191 (213) 739-6900

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

Areas of Expertise CMS Part B claims 19

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.

Established patient complete exam of visual system 92014

An established patient complete exam of the visual system involves a thorough check of your eyes and vision. It assesses eye health, checks for diseases, and measures your ability to see clearly at different distances. It's a routine, non-invasive procedure.

1,346 services684 patients

Closure of tear duct opening using plug 68761

Closure of the tear duct opening using a plug is a procedure to address excessive tear production. A small device is inserted into the tear duct to block it, reducing tear flow and relieving symptoms. This is a safe, reversible process, often performed in-office.

1,171 services585 patients

Photography of the retina 92250

Photography of the retina, also known as retinal imaging, is a non-invasive procedure that captures images of the back of your eye. This helps doctors identify and monitor conditions like glaucoma, macular degeneration, or diabetic retinopathy. It's painless and quick, often part of a routine eye exam.

627 services615 patients

Exam of visual field with extended testing 92083

An extended visual field exam is a detailed test to evaluate your peripheral (side) vision. It helps to detect any potential blind spots which may not be noticeable in daily life. These could be caused by eye diseases like glaucoma, or neurological conditions.

532 services515 patients

Exam of the internal drainage system of eye 92020

This is a procedure where your doctor examines the eye's internal drainage system, essential for maintaining eye pressure. They use specialized tools to check for blockages or damage that might lead to conditions like glaucoma. It's non-invasive and painless.

531 services516 patients

Imaging of optic nerve 92133

Imaging of the optic nerve is a non-invasive procedure that captures detailed pictures of your optic nerve. It helps doctors assess eye health, particularly for conditions like glaucoma. It's painless, quick, and uses safe technology like MRI or OCT (Optical Coherence Tomography).

518 services503 patients

Imaging of retina 92134

Imaging of the retina is a non-invasive procedure that captures detailed images of your eye's interior. This helps detect conditions like macular degeneration or retinal detachment. It's painless and takes only a few minutes.

460 services434 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

296 services255 patients

Ultrasound scan of cornea to determine thickness 76514

An ultrasound scan of the cornea is a non-invasive procedure that uses sound waves to measure the thickness of your cornea. This helps in diagnosing certain eye conditions and planning treatments. No discomfort or pain is typically experienced.

166 services163 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

162 services162 patients

Measurement of corneal curvature and depth of eye 92136

This procedure measures the shape and depth of your eye, specifically the cornea, the clear front surface. It helps in diagnosing conditions, planning for surgeries, or fitting contact lenses. It's non-invasive and painless.

156 services144 patients

Removal of eyelashes using forceps 67820

The removal of eyelashes using forceps is a simple procedure where a medical professional gently extracts unwanted or problematic eyelashes with a specialized tool. This is often done to alleviate discomfort or to treat conditions like trichiasis, where eyelashes grow inward.

146 services132 patients

Extended exam of the back part of the eye with retinal drawing 92201

This procedure involves a detailed examination of the back part of your eye, including the retina. It helps identify any abnormalities or issues. A retinal drawing is made to record findings. It's non-invasive and crucial for maintaining eye health.

135 services128 patients

Established patient problem focused exam of visual system 92012

This is a routine check-up for existing patients focusing on the visual system. It involves examining your eyes to detect any potential issues or changes in your vision. It's a crucial part of maintaining good eye health.

124 services100 patients

Microfluid analysis of tears 83861

Microfluid analysis of tears involves collecting a small tear sample to examine its composition. This procedure can help detect health issues like dry eye disease, inflammation, or other eye conditions. It's a non-invasive, painless method for monitoring eye health.

106 services52 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

97 services90 patients

Ultrasound scan to determine eye length and lens power 76519

An ultrasound scan for the eye is a safe, non-invasive procedure. It uses sound waves to create images of your eye's structure. This helps determine the length of your eye and the power of your lens, which is crucial for diagnosing eye conditions and planning surgeries.

57 services54 patients

Removal of growth of eyelid 67840

The removal of an eyelid growth is a procedure performed to eliminate abnormal tissue from your eyelid. It's generally a quick, outpatient treatment. The doctor numbs your eyelid, carefully removes the growth, and may stitch the area if necessary. This can help maintain eye health and vision.

44 services39 patients

New patient complete exam of visual system 92004

A new patient complete exam of the visual system is a thorough evaluation of your eyes and vision. It checks for any potential issues and assesses overall eye health. It includes tests for visual acuity, eye movement, and light response.

21 services21 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90621 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

$142.39 typical visit price

range $62.96 – $187.60

Typical copayment $35.59 (range $15.74 – $46.90)

Most-billed visit code 99204

Established Patient

$77.96 typical visit price

range $20.84 – $153.61

Typical copayment $19.49 (range $5.21 – $38.40)

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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

94.66/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

84.83

Improvement Activities

Cost

74.33

Other Providers at the Same Location NPPES

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

MR. JOSEPH Y LEE MD

Ophthalmology

5832 BEACH BLVD UNIT 109A
BUENA PARK, CA 90621

Orange County (714) 228-1888

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 Yun Kim's NPI number?

The NPI number for Yun Kim is 1255431300. It was assigned to this individual provider in the NPPES registry on September 25, 2006.

Where is Yun Kim located?

Yun Kim practices at 5832 Beach Blvd Unit 109A, Buena Park, CA 90621. The listed phone number is (714) 228-1888.

What is Yun Kim's specialty?

The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.

Is Yun Kim enrolled in Medicare?

Yes. Yun Kim 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 organizations bill Medicare for Yun Kim's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Yun Kim reassigns Medicare benefits to 3 organizations: Eyecare Medical Corporation (Buena Park, CA), Kcs, Inc. (Buena Park, CA) and Bethel Eye Center Medical Corporation (Los Angeles, CA). Each 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 Yun Kim's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Yun Kim accept?

Health plans from Anthem Blue Cross and Blue Shield, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma and Blue Cross and Blue Shield of Texas list Yun Kim 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 Yun Kim was last updated on May 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.