OLIVIA CHOON ONG MD
NPI 1124021688
Ophthalmology - Glaucoma Specialist in Monrovia, CA

Q: What is Olivia Ong's NPI number?

The NPI number for Olivia Ong is 1124021688. It was assigned to this individual provider in the NPPES registry on May 27, 2005. The provider is also known as Heong Choon Ong.

Q: What is Olivia Ong's specialty?

The primary specialty registered for this NPI is Ophthalmology, specializing in Glaucoma Specialist, with taxonomy code 207WX0009X.

Q: When was this NPI record last updated?

The NPPES record for Olivia Ong was last updated on June 19, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.

Active since May 27, 2005PECOS EnrolledAccepts Medicare Assignment

855 W FOOTHILL BLVD, MONROVIA, CA 91016(626) 358-1080(626) 358-0548 Get Directions Write a Review

NPPES record last updated: June 19, 2024. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jun 19, 2024, Jun 6, 2023 (2 updates tracked since 2023).

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About Olivia Choon Ong Md NPPES

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

OLIVIA CHOON ONG MD (NPI 1124021688) is an individual glaucoma specialist in Monrovia, California, licensed in California (A66933) and active in the NPI registry since May 2005. She is enrolled in Medicare PECOS and is a graduate of University Of California, Geffen School Of Medicine (1997).

NPPES Registry Identity

NPI1124021688

Entity TypeIndividualFemale

Primary Taxonomy207WX0009X

Provider Legal NameOLIVIA CHOON ONGCredential: MD

Location Address855 W FOOTHILL BLVDMonrovia, CA 91016-1938

Mailing Address14726 Ramona Ave Ste 203Chino, CA 91710-5730 · (626) 305-9100 · Fax (626) 305-0152

Phone(626) 358-1080

Fax(626) 358-0548

Sole ProprietorNo

Medical School CMSUniversity Of California, Geffen School Of MedicineGraduated 1997

Enumeration DateMay 27, 2005

Last NPPES UpdateJune 19, 20242 updates tracked since enumeration

NPPES CertifiedJune 19, 2024

✔ NPI 1124021688 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyOphthalmology · Glaucoma SpecialistAllopathic & Osteopathic Physicians

Taxonomy Code207WX0009X

License✔ Licensed in CA · A66933

Definition

An ophthalmologist who specializes in the treatment of glaucoma and other disorders related to increased intraocular pressure and optic nerve damage. This specialty involves the medical and surgical treatment of these conditions.

Also ListedOphthalmologyTaxonomy 207W00000X · License A66933 (CA)

855 W FOOTHILL BLVD, Monrovia, CA 91016

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Other Names 1

Former Name (1)Heong Choon Ong

Other Identifiers 2

Medicaid00A669330CA

Other00A669331CA · Blue Cross

Accepted Insurance

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

Olivia Choon Ong 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 ID6608934724

PECOS Enrollment IDI20081018000111

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 6

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.

114 services84 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.

43 services40 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).

34 services34 patients

Removal of cataract with insertion of prosthetic lens 66984

This is a procedure where a cloudy lens in your eye, known as a cataract, is removed. After removal, a clear artificial lens is inserted. This helps to restore your vision, enabling you to see clearly again.

32 services27 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.

19 services19 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.

14 services14 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91016 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.

Reported Quality Measures

Diabetes: Eye Exam

Percentage of patients 18-75 years of age with diabetes who had a retinal or dilated eye exam by an eye care professional during the measurement period or a negative retinal exam (no evidence of retinopathy) in the 12 months prior to the measurement period

100%22 patients5/55-star benchmark: 100%

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Other Providers at the Same Location NPPES 7

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

DR. BONNIE CHOW PENG OD

Optometrist