Dr. Robert Chiang, MD
- Medicare services, 2023
- 1,979
- Part D claims, 2024
- 497
- Industry payments
- $2,128
- Affiliated sites
- 2
- State license
- 1
- Practice address
- 1225 Whitehorse Mercerville Road, Hamilton, NJ 08619
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
New Jersey Surgery Center, LLC - HOPD
Acute Care Hospital outpatient department · Hamilton, New Jersey
Find Dr. Chiang's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Robert Chiang is an ophthalmologist in Trenton, New Jersey
Dr. Chiang practices at New Jersey Surgery Center, LLC - HOPD in Hamilton, New Jersey.
Dr. Chiang's NPI, 1861462772, was assigned on January 24, 2006. Dr. Chiang graduated from Rush Medical College of Rush University in 1990. Dr. Chiang holds Texas license K3128.
- NPI
- 1861462772NPI Registry (opens in a new tab)
- NPI enumeration date
- January 24, 2006
- NPI status
- Active
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 62
- Medical school graduation
- 1990
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Robert Chiang practices at New Jersey Surgery Center, LLC - HOPD in Hamilton, New Jersey
Dr. Chiang's primary practice is New Jersey Surgery Center, LLC - HOPD, at 1225 Whitehorse Mercerville Road, Hamilton, NJ 08619.
- New Jersey Surgery Center, LLC - HOPD1225 Whitehorse Mercerville Road, Hamilton, NJ 08619
Source: Dmand AI Affiliation Data
Dr. Robert Chiang is affiliated with 2 sites of care
Dr. Chiang's primary practice is New Jersey Surgery Center, LLC - HOPD in Hamilton, New Jersey. Dmand AI also links Dr. Chiang to 1 ambulatory surgery center, named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Robert Chiang's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chiang practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| New Jersey Surgery Center, LLC - HOPD | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Robert Chiang is one of 654 ophthalmologists in New Jersey
Ophthalmology is Dr. Chiang's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Chiang is licensed in Texas.
Specialties and state licenses
- Ophthalmology, TexasPrimary
Ophthalmologists near Dr. Chiang
Counts of ophthalmologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Robert Chiang billed Medicare for 1,979 services in 2023
CMS data shows 1,979 Medicare services from Dr. Chiang across 15 procedure codes in 2023. Medicare paid $152,643 for them.
Dr. Chiang's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Tests and treatments
- 2022: 1,2592023: 1,2114%
- Office and hospital visits
- 2022: 6302023: 6261%
- Surgery
- 2022: 722023: 11661%
- Imaging
- 2022: 402023: 2635%
Where Dr. Chiang's Medicare services took place, 2023
- In an office1,88795%
- In a facility925%
Dr. Chiang compared with the New Jersey median for ophthalmologists, 2023
- Dr. Chiang
- New Jersey median
- Medicare services
- 1,979vs 1,8467% above
- Part D claims
- 411vs 69641% below
Medians across 677 ophthalmologists in New Jersey with Dmand AI profiles that report each measure.
Dr. Chiang's most billed Medicare procedure codes, 2023
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Chiang and other ophthalmologists in New Jersey.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Robert Chiang's patients have a median age of 74
Across all payers, Dmand AI patient panel data puts Dr. Chiang's median patient age at 74, with 60% women.
Dr. Chiang's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women60%
- Men37%
Source: Dmand AI Patient Panel Data
Dr. Robert Chiang wrote 497 Medicare Part D claims in 2024
In 2024, Dr. Chiang wrote 497 Medicare Part D claims for 177 patients. 70% of them were for generic drugs. CMS names the drug for 411 of them, across 6 drugs with 11 or more claims each, at $14,591 in total drug cost. In 2023, CMS named 1,702 claims across 20 drugs.
Dr. Chiang's Part D claims by kind of drug, 2024
- Generic346 claims70%
- Brand-name151 claims30%
Dr. Chiang's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1,7022024: 41176%
Drugs named by CMS: 6 in 2024, 20 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Dr. Robert Chiang received $2,128 in industry payments from 2016 to 2024
CMS Open Payments shows 63 general payments to Dr. Chiang from 15 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 88% of the total. Alcon Laboratories Inc paid the most, $600.
General payments to Dr. Chiang by program year, 2016 to 2024
General payments to Dr. Chiang by kind, 2016 to 2024
- Food and beverage$1,87788%
- Speaker and faculty fees$1507%
- Gifts$1015%
Companies that paid Dr. Chiang the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Robert Chiang graduated from Rush Medical College of Rush University
Dr. Chiang graduated from Rush Medical College of Rush University in 1990.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Robert Chiang's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Robert Chiang
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What is Dr. Robert Chiang's NPI number?
Dr. Robert Chiang's NPI number is 1861462772. It was assigned on January 24, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Robert Chiang?
Dr. Robert Chiang is an ophthalmologist in Trenton, New Jersey. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. Robert Chiang practice?
Dr. Chiang practices at 1225 Whitehorse Mercerville Road, Hamilton, NJ 08619. Dr. Chiang's primary practice is New Jersey Surgery Center, LLC - HOPD in Hamilton, New Jersey. Dmand AI also links Dr. Chiang to 1 ambulatory surgery center.
What is Dr. Robert Chiang's medical license number?
Dr. Chiang holds Texas license K3128.
Does Dr. Robert Chiang accept Medicare?
Yes. CMS data shows Dr. Chiang billed Medicare for 1,979 services in 2023.
What services does Dr. Robert Chiang bill to Medicare?
In 2023, Dr. Chiang's most billed Medicare services were office visit, established patient (99214), eye exam or test (92014) and eye exam or test (92083).
Where did Dr. Robert Chiang go to medical school?
Dr. Chiang graduated from Rush Medical College of Rush University in 1990.
What drugs does Dr. Robert Chiang prescribe most?
In 2024 Medicare Part D data, Dr. Chiang's most prescribed drugs by claims were Latanoprost, Dorzolamide-Timolol and Brimonidine Tartrate.
Has Dr. Robert Chiang received payments from drug or device companies?
CMS Open Payments shows $2,128 in general payments to Dr. Chiang from 15 companies from 2016 to 2024. The largest total came from Alcon Laboratories Inc.
How long has Dr. Robert Chiang been practicing?
Dr. Chiang graduated from medical school in 1990, 36 years ago.
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