Benjamin Kambiz Ghiam, MD
Neuro-ophthalmology Physician · Encino, CA
Benjamin Kambiz Ghiam, MD is a neuro-ophthalmology physician with a practice address in Encino, California, and NPI 1669933966, issued on Mar 28, 2019. Check the license (California A185965, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Benjamin Kambiz Ghiam
- Credential
- MD
- Primary taxonomy
- Neuro-ophthalmology Physician 207WX0109X
- License number
- A185965 CA
Self-reported in NPPES; status is on the state search - Practice location
- 16542 Ventura Blvd Ste 515, Encino, CA 91436
- Phone
- (818) 387-6565
- Enumerated
- Mar 28, 2019
- Record last updated
- Aug 21, 2024
- Fax
- (818) 387-6288
- Medicare enrollment
- Enrolled (PECOS I20230525002294); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest neuro-ophthalmology physician records → All 26 in California → Look up another NPI →
Verify Benjamin Kambiz Ghiam in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A185965Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
81% fewer Medicare Part D claims than the average neuro-ophthalmology physician in 2024
62 Medicare Part D claims for 38 beneficiaries, against an average of 335 among the 140 providers of this specialty who prescribed in Part D. Brand-name drugs were 34% of claims.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $726.80
19 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. The 92 providers of this specialty with any payment received $6,114.59 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Benjamin Kambiz Ghiam among 26 neuro-ophthalmology physician records in California
Benjamin Kambiz Ghiam, MD is one of 26 neuro-ophthalmology physician records with a practice address in California. 92% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 81% of them.
- NPI issued2019 · 81% of these records are older, 15% newer
- In a Medicare fileYes · 92% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated2019 · median 2005 among the 20 with a school on file
- Record last updated2024 · 23% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207WX0109X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neuro-ophthalmology Physician providers in California
There are 26 neuro-ophthalmology physician records in California.
All 26 in California → Every provider in Encino → Neuro-ophthalmology Physician nationwide →
The 8 neuro-ophthalmology physician records with the nearest ZIP codes
- Nafiseh Hashemi, MDEncino, CA 913161619264645
- Jane Chan, MDPasadena, CA 911051528046216
- Samuel SpiegelPasadena, CA 911051043742695
- Kim Firn, MD, MSPasadena, CA 911031396314175
- Seema Sundaram, M.D.Chula Vista, CA 919131639341399
- Kimberly Cockerham, MDSan Diego, CA 921081366493629
- Thomas Ableman, M.D.San Diego, CA 921341558415067
- Tim Kim, M.D.San Diego, CA 921341932306925
Common questions
What is Benjamin Kambiz Ghiam, MD's NPI number?
Benjamin Kambiz Ghiam, MD's National Provider Identifier (NPI) is 1669933966, issued on Mar 28, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Benjamin Kambiz Ghiam, MD located?
The NPPES record lists a practice address at 16542 Ventura Blvd Ste 515, Encino, CA, 91436. Phone: (818) 387-6565. Providers update this record themselves, so call before visiting.
How can I verify Benjamin Kambiz Ghiam, MD's license?
NPPES lists California license number A185965, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Benjamin Kambiz Ghiam, MD prescribe under Medicare Part D?
In 2024, Benjamin Kambiz Ghiam, MD had 62 Medicare Part D claims for 38 beneficiaries; the average among neuro-ophthalmology physician prescribers was 335. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.