DR. RANDALL R CHUN OD
NPI 1083669626
Optometrist in Placentia, CA

Active since May 23, 2006PECOS EnrolledAccepts Medicare Assignment
1874 N PLACENTIA AVE, PLACENTIA, CA 92870(714) 996-3937(714) 996-3938 Get Directions Write a Review

NPPES record last updated: February 7, 2012. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. Randall R Chun Od NPPES

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

DR. RANDALL R CHUN OD (NPI 1083669626) is an individual optometrist in Placentia, California, licensed in California (10681T) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS and is a graduate of Southern California College Of Optometry (1996).

NPPES Registry Identity

NPI1083669626
Entity TypeIndividualMale
Primary Taxonomy152W00000X
Provider Legal NameDR. RANDALL R CHUNCredential: OD
Location Address1874 N PLACENTIA AVEPlacentia, CA 92870
Mailing Address1874 N Placentia AvePlacentia, CA 92870 · (714) 996-3937 · Fax (714) 996-3938
Fax(714) 996-3938
Sole ProprietorNo
Medical School CMSSouthern California College Of OptometryGraduated 1996
Enumeration DateMay 23, 2006
Last NPPES UpdateFebruary 7, 2012
NPI 1083669626 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyOptometristEye and Vision Services Providers
Taxonomy Code152W00000X
License Licensed in CA · 10681T
Definition
Doctors of optometry (ODs) are the primary health care professionals for the eye. Optometrists examine, diagnose, treat, and manage diseases, injuries, and disorders of the visual system, the eye, and associated structures as well as identify related systemic conditions affecting the eye. An optometrist has completed pre-professional undergraduate education in a college or university and four years of professional education at a college of optometry, leading to the doctor of optometry (O.D.) degree. Some optometrists complete an optional residency in a specific area of practice. Optometrists are eye health care professionals state-licensed to diagnose and treat diseases and disorders of the eye and visual system.
1874 N PLACENTIA AVE, Placentia, CA 92870

Other Identifiers 4

MedicaidSD0106810CA
Medicare UPINU69617
Medicare PINBZ128ZCA
Medicare NSC5450540001CA

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. Randall R Chun Od 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 ID1951358811
PECOS Enrollment IDI20050401000894
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.

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.
28 services16 patients
Photography of content of eyes 92285
Photography of the content of eyes, also known as ocular photography, captures detailed images of different parts of the eye. It helps identify and monitor conditions like glaucoma, macular degeneration, or diabetic retinopathy. The process is non-invasive and painless.
18 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92870 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.

Other Providers at the Same Location NPPES 3

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

Optometrist
1874 N PLACENTIA AVE
PLACENTIA, CA 92870
Optometrist
1874 N PLACENTIA AVE
PLACENTIA, CA 92870
Optometrist
1874 N PLACENTIA AVE
PLACENTIA, CA 92870

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 Randall Chun's NPI number?

The NPI number for Randall Chun is 1083669626. It was assigned to this individual provider in the NPPES registry on May 23, 2006.

Where is Randall Chun located?

Randall Chun practices at 1874 N Placentia Ave, Placentia, CA 92870. The listed phone number is (714) 996-3937.

What is Randall Chun's specialty?

The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.

Is Randall Chun enrolled in Medicare?

Yes. Randall Chun 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 Randall Chun accept?

Health plans from Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma, Blue Cross and Blue Shield of Texas and Providence Health Plan list Randall Chun 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 Randall Chun was last updated on February 7, 2012. NPI Profile syncs with the weekly NPPES data releases published by CMS.