Dr. Benjamin Kambiz Ghiam, MD

  • Encino, CA
  • Neuro-ophthalmology physician
NPI1669933966PAC ID6204292766
Medicare services, 2024
502
Medicare patients, 2024
132
Part D claims, 2024
62
Publications
4
Hospital affiliations
1
Practice address
5353 N Balboa Blvd, Encino, CA 91316
Practice phone
Call (818) 922-8565
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Evolve Surgery Center

Encino, California

See all 3 affiliations

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Dr. Benjamin Kambiz Ghiam is a neuro-ophthalmology physician in Encino, California

Dr. Ghiam practices at Evolve Surgery Center in Encino, California.

Dr. Ghiam's NPI, 1669933966, was assigned on March 28, 2019. Dr. Ghiam graduated from Oakland University William Beaumont School of Medicine in 2019. Dr. Ghiam holds California license A185965.

NPI and contact details
Medicare PAC ID
6204292766
NPI enumeration date
March 28, 2019
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(818) 922-8565
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Male
Estimated age
33
Medical school graduation
2019

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Benjamin Kambiz Ghiam practices at Evolve Surgery Center in Encino, California

Dr. Ghiam's primary practice is Evolve Surgery Center, at 5353 N Balboa Blvd, Encino, CA 91316 in Los Angeles County. The practice phone is (818) 922-8565.

  • Evolve Surgery Center
    5353 N Balboa Blvd, Encino, CA 91316 · Los Angeles CountyPhone(818) 922-8565

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Benjamin Kambiz Ghiam is affiliated with 3 sites of care

Dr. Ghiam's primary practice is Evolve Surgery Center in Encino, California. Dr. Ghiam is also affiliated with Cedars-Sinai Medical Center. Dmand AI also links Dr. Ghiam to 1 more physician office, named with a free account.

See all 3 affiliations for Dr. Ghiam

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Benjamin Kambiz Ghiam's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ghiam practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Evolve Surgery CenterAvailable with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Benjamin Kambiz Ghiam is one of 23 neuro-ophthalmology physicians in California

Neuro-ophthalmology is Dr. Ghiam's primary specialty in the NPI Registry, under taxonomy code 207WX0109X. Dr. Ghiam is board certified in ophthalmology by the American Board of Ophthalmology. Dmand AI has Dr. Ghiam's licenses on file in 2 states: California and Ohio.

Specialties and state licenses

  • Neuro-ophthalmology, CaliforniaPrimaryLicense A185965 · 2023 to 2027 · taxonomy 207WX0109X
  • Ohio license2020 to 2023

Neuro-ophthalmology physicians near Dr. Ghiam

Counts of neuro-ophthalmology physicians with a Dmand AI profile, by place and practice. Each opens the list.

23neuro-ophthalmology physicians in California
2neuro-ophthalmology physicians in Encino

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Benjamin Kambiz Ghiam billed Medicare for 502 services in 2024

CMS data shows 502 Medicare services from Dr. Ghiam across 12 procedure codes in 2024, for 132 Medicare patients. Medicare paid $36,791 for them. Every service was in an office.

Medicare services, 2024502
Medicare patients132
Paid by Medicare$36,791
Procedure codes12

Dr. Ghiam's Medicare services by type, 2024

  1. Tests and treatments348
  2. Office and hospital visits154

Dr. Ghiam compared with the California median for neuro-ophthalmology physicians, 2024

  • Dr. Ghiam
  • California median
Medicare services
502vs 56311% below
Medicare patients
132vs 21037% below

Medians across 20 neuro-ophthalmology physicians in California with Dmand AI profiles that report each measure.

Dr. Ghiam's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Ghiam

Need commercial claims for Dr. Ghiam?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Ghiam and other neuro-ophthalmology physicians in California.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Benjamin Kambiz Ghiam treated 132 Medicare patients in 2024, average age 73

CMS counts 132 Medicare patients who saw Dr. Ghiam in 2024. The largest group is 65 to 74, with 67 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 48% are also on Medicaid. Their average risk score is 1.18, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Ghiam's median patient age at 61, with 65% women.

Medicare patients, 2024132
Average age73
Average risk score1.18
Also on Medicaid48%

Dr. Ghiam's Medicare patients by age, 2024

Dr. Ghiam's Medicare patients by sex, 2024

  • Women7557%
  • Men5743%

Chronic conditions among Dr. Ghiam's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis64%
  4. Diabetes44%
  5. Anxiety36%
  6. Ischemic heart disease36%
  7. Mood disorders32%
  8. Depression31%

Share of Medicare patients with each condition. A patient can have several.

Dr. Ghiam's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 61

Patient panel by sex, all payers

  • Women65%
  • Men34%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Benjamin Kambiz Ghiam wrote 62 Medicare Part D claims in 2024

In 2024, Dr. Ghiam wrote 62 Medicare Part D claims for 38 patients. 66% of them were for generic drugs.

Part D claims, 202462
Part D patients38

Dr. Ghiam's Part D claims by kind of drug, 2024

  • Generic41 claims66%
  • Brand-name21 claims34%

Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Benjamin Kambiz Ghiam offers telehealth to Medicare patients

Dr. Ghiam accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Ghiam as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Cataract surgery: 1 to 10 procedures (CMS shows small counts as a range)

Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)

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Dr. Benjamin Kambiz Ghiam has 4 publications on record

Dmand AI links 4 papers to Dr. Ghiam, published from 2018 to 2024. Dr. Ghiam's most frequent co-authors are Edward Hunt Wood, MD, Antonio Capone, MD and Jose J. Echegaray, MD.

Papers4
Years published2018 to 2024

Dr. Ghiam's papers by year, 2018 to 2024

Dr. Ghiam's most frequent co-authors

Recent publications by Dr. Ghiam

See all 4 publications and co-authors

See who Dr. Ghiam researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Ghiam works with, so you can find a warm path to the right neuro-ophthalmology physicians.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Benjamin Kambiz Ghiam received $2,712 in industry payments from 2021 to 2025

CMS Open Payments shows 74 general payments to Dr. Ghiam from 16 drug and device companies from 2021 to 2025. Food and beverage make up the largest share, 96% of the total. Amgen Inc. paid the most, $799.

General payments to Dr. Ghiam by program year, 2021 to 2025

General payments to Dr. Ghiam by kind, 2021 to 2025

$2.7Kin total
  • Food and beverage$2,59396%
  • Education$1194%

Companies that paid Dr. Ghiam the most, 2021 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Ghiam

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Benjamin Kambiz Ghiam graduated from Oakland University William Beaumont School of Medicine

Dr. Ghiam graduated from Oakland University William Beaumont School of Medicine in 2019.

  1. Medical schoolOakland University William Beaumont School of Medicine
  2. Board certified in ophthalmologyAmerican Board of Ophthalmology

Source: Dmand AI Professional Profile Data

Dr. Benjamin Kambiz Ghiam accepts plans from 16 insurance carriers

Dr. Ghiam is in network with 16 carriers, including Blue Cross Blue Shield of Michigan, United Healthcare and Elevance. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.

Plan types Dr. Ghiam accepts, by number of carriers

  1. PPO9
  2. HMO8
  3. Medicare8
  4. EPO3
  5. POS3
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. Benjamin Kambiz Ghiam's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Benjamin Kambiz Ghiam

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Benjamin Kambiz Ghiam's NPI number?

Dr. Benjamin Kambiz Ghiam's NPI number is 1669933966. It was assigned on March 28, 2019, and it is active in the NPI Registry.

What kind of doctor is Dr. Benjamin Kambiz Ghiam?

Dr. Benjamin Kambiz Ghiam is a neuro-ophthalmology physician in Encino, California. The primary specialty in the NPI Registry is Neuro-ophthalmology Physician (taxonomy code 207WX0109X).

Where does Dr. Benjamin Kambiz Ghiam practice?

Dr. Ghiam practices at 5353 N Balboa Blvd, Encino, CA 91316. Dr. Ghiam's primary practice is Evolve Surgery Center in Encino, California. Dmand AI also links Dr. Ghiam to 1 physician office.

What is Dr. Benjamin Kambiz Ghiam's office phone number?

The practice phone on file for Dr. Ghiam is (818) 922-8565.

What is Dr. Benjamin Kambiz Ghiam's medical license number?

Dr. Ghiam holds California license A185965, one of the licenses on file in 2 states.

Which states has Dr. Benjamin Kambiz Ghiam been licensed in?

Dmand AI has state licenses on file for Dr. Ghiam in California (2023 to 2027) and Ohio (2020 to 2023).

Which hospitals is Dr. Benjamin Kambiz Ghiam affiliated with?

Dr. Ghiam is affiliated with Cedars-Sinai Medical Center.

Does Dr. Benjamin Kambiz Ghiam accept Medicare?

Yes. CMS data shows Dr. Ghiam billed Medicare for 502 services in 2024, and Dr. Ghiam accepts Medicare assignment.

Does Dr. Benjamin Kambiz Ghiam offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Ghiam as offering telehealth services.

How many Medicare patients does Dr. Benjamin Kambiz Ghiam see?

CMS counts 132 Medicare patients who saw Dr. Ghiam in 2024, with an average age of 73.

Show 8 more questionsShow fewer questions

Is Dr. Benjamin Kambiz Ghiam board certified?

Yes. Dr. Ghiam is board certified in ophthalmology by the American Board of Ophthalmology.

What services does Dr. Benjamin Kambiz Ghiam bill to Medicare?

In 2024, Dr. Ghiam's most billed Medicare services were eye exam or test (92083), office visit, new patient (99205) and eye exam or test (92060).

Where did Dr. Benjamin Kambiz Ghiam go to medical school?

Dr. Ghiam graduated from Oakland University William Beaumont School of Medicine in 2019.

Has Dr. Benjamin Kambiz Ghiam received payments from drug or device companies?

CMS Open Payments shows $2,712 in general payments to Dr. Ghiam from 16 companies from 2021 to 2025. The largest total came from Amgen Inc.

How long has Dr. Benjamin Kambiz Ghiam been practicing?

Dr. Ghiam graduated from medical school in 2019, 7 years ago.

Does Dr. Benjamin Kambiz Ghiam do research?

Dmand AI links 4 publications to Dr. Ghiam, published from 2018 to 2024.

Who does Dr. Benjamin Kambiz Ghiam publish with?

Dr. Ghiam's most frequent co-authors are Edward Hunt Wood, MD (3 shared papers), Antonio Capone, MD (1 shared paper) and Jose J. Echegaray, MD (1 shared paper).

What insurance does Dr. Benjamin Kambiz Ghiam accept?

Dr. Ghiam is in network with 16 carriers, including Blue Cross Blue Shield of Michigan, United Healthcare and Elevance. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.

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