BENJAMIN KAMBIZ GHIAM MD
NPI 1669933966
Ophthalmology - Neuro-ophthalmology in Encino, CA

Q: What is Benjamin Ghiam's NPI number?

The NPI number for Benjamin Ghiam is 1669933966. It was assigned to this individual provider in the NPPES registry on March 28, 2019.

Q: What is Benjamin Ghiam's specialty?

The primary specialty registered for this NPI is Ophthalmology, specializing in Neuro-ophthalmology, with taxonomy code 207WX0109X.

Q: When was this NPI record last updated?

The NPPES record for Benjamin Ghiam was last updated on August 21, 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 March 28, 2019PECOS EnrolledAccepts Medicare Assignment

16542 VENTURA BLVD STE 515, ENCINO, CA 91436(818) 387-6565(818) 387-6288 Get Directions Write a Review

NPPES record last updated: August 21, 2024. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Aug 21, 2024, Jun 6, 2024, May 18, 2023 (3 updates tracked since 2023).

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About Benjamin Kambiz Ghiam Md NPPES

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

BENJAMIN KAMBIZ GHIAM MD (NPI 1669933966) is an individual neuro-ophthalmology provider in Encino, California, licensed in California (A185965) and active in the NPI registry since March 2019. He is enrolled in Medicare PECOS, maintains a secondary practice location in Encino, and is a graduate of Other (2019).

NPPES Registry Identity

NPI1669933966

Entity TypeIndividualMale

Primary Taxonomy207WX0109X

Provider Legal NameBENJAMIN KAMBIZ GHIAMCredential: MD

Location Address16542 VENTURA BLVD STE 515Encino, CA 91436-4581

Mailing Address16542 Ventura Blvd Ste 515Encino, CA 91436-4581 · (818) 387-6565 · Fax (818) 387-6288

Phone(818) 387-6565

Fax(818) 387-6288

Sole ProprietorYes

Medical School CMSOtherGraduated 2019

Enumeration DateMarch 28, 2019

Last NPPES UpdateAugust 21, 20243 updates tracked since enumeration

NPPES CertifiedAugust 21, 2024

✔ NPI 1669933966 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOphthalmology · Neuro-ophthalmologyAllopathic & Osteopathic Physicians

Taxonomy Code207WX0109X

License✔ Licensed in CA · A185965

Definition

A neuro-ophthalmologist is a subspecialist of ophthalmology. This physician evaluates, treats, and studies disorders of the eye, orbit and nervous system having to do with interactions of the visual motor and visual sensory systems with the central nervous system. Neuro-ophthalmologists manage patients with complex and severe neuro-ophthalmological disorders.

16542 VENTURA BLVD STE 515, Encino, CA 91436

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Secondary Practice Location 1

Location 15353 Balboa Blvd Ste 110Encino, CA 91316-2859 · Phone (818) 387-6565

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

Benjamin Kambiz Ghiam 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 ID6204292766

PECOS Enrollment IDI20230525002294

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 Benjamin Ghiam reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Ghiam Eye PC

Same address

Neuro-ophthalmology

16542 VENTURA BLVD STE 515
Encino, CA 91436

Reassigned Medicare billing, California enrollment

NPI 1710756424 (818) 387-6565

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 12

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.

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.

81 services69 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

73 services73 patients

Exam to measure eye deviation and range of motion 92060

This is an eye exam that checks for any misalignment in your eyes, also known as deviation. It also assesses the movement range of your eyes. The procedure is painless and helps in detecting conditions like strabismus or other vision issues.

69 services55 patients

Extended exam of the back part of the eye with optic nerve drawing 92202

This procedure involves a detailed examination of the back part of your eye, focusing on the optic nerve, a crucial component for vision. A drawing or map of the optic nerve is created to help track any changes over time. This can help detect eye diseases early.

69 services66 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).

53 services47 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.

43 services42 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.

33 services33 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.

21 services21 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.

21 services21 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.

15 services14 patients

Extended exam involving color vision testing 92283

An extended exam involving color vision testing helps identify any difficulties in distinguishing colors, often due to genetic conditions or health problems. This non-invasive test involves identifying different colored numbers or patterns.

12 services12 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

12 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91436 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

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

GHIAM EYE PC

Ophthalmology (Neuro-ophthalmology)

16542 VENTURA BLVD STE 515
ENCINO, CA 91436

Los Angeles County (818) 387-6565

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 Benjamin Ghiam's NPI number?

The NPI number for Benjamin Ghiam is 1669933966. It was assigned to this individual provider in the NPPES registry on March 28, 2019.

Where is Benjamin Ghiam located?

Benjamin Ghiam practices at 16542 Ventura Blvd Ste 515, Encino, CA 91436. The listed phone number is (818) 387-6565.

What is Benjamin Ghiam's specialty?

The primary specialty registered for this NPI is Ophthalmology, specializing in Neuro-ophthalmology, with taxonomy code 207WX0109X.

Is Benjamin Ghiam enrolled in Medicare?

Yes. Benjamin Ghiam 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 Benjamin Ghiam's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Benjamin Ghiam reassigns Medicare benefits to Ghiam Eye PC (Encino, CA). 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 Benjamin Ghiam's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Benjamin Ghiam was last updated on August 21, 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.