Dr. Rui F. Chang, MD
- Medicare services, 2020
- 144
- Part D claims, 2021
- 42
- Hospital affiliations
- 1
- Industry payments
- $983
- Medical group
- 1
- Practice address
- 800 Poly Place, Brooklyn, NY 11209
- Practice phone
- Call (718) 836-6600
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Chang'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. Rui F. Chang is a neurologist in Brooklyn, New York
Dr. Chang practices at Brooklyn VA Medical Center in Brooklyn, New York, part of Veterans Health Administration.
Dr. Chang's NPI, 1750701322, was assigned on April 23, 2014. Dr. Chang holds New York license 281875.
- NPI
- 1750701322NPI Registry (opens in a new tab)
- NPI enumeration date
- April 23, 2014
- NPI status
- Active
- Practice phone
- (718) 836-6600
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Rui F. Chang practices at Brooklyn VA Medical Center in Brooklyn, New York
Dr. Chang's primary practice is Brooklyn VA Medical Center, at 800 Poly Place, Brooklyn, NY 11209 in Kings County. The practice phone is (718) 836-6600.
- Brooklyn VA Medical Center800 Poly Place, Brooklyn, NY 11209 · Kings CountyPhone(718) 836-6600
Source: Dmand AI Affiliation Data
Dr. Rui F. Chang is affiliated with 1 site of care and 1 medical group
Dr. Chang's primary practice is Brooklyn VA Medical Center in Brooklyn, New York, part of Veterans Health Administration. The medical group on file is Mount Sinai Institute for Liver Medicine. Dr. Chang's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Rui F. Chang's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chang practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Brooklyn VA Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Veterans Health Administration and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Rui F. Chang is one of 1,489 neurologists in New York
Neurology is Dr. Chang's primary specialty in the NPI Registry, under taxonomy code 2084N0400X. Dr. Chang is licensed in New York.
Specialties and state licenses
- Neurology, New YorkPrimary
Neurologists near Dr. Chang
Counts of neurologists 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. Rui F. Chang billed Medicare for 144 services in 2020
CMS data shows 144 Medicare services from Dr. Chang across 5 procedure codes in 2020. Medicare paid $12,184 for them. Every service was in an office.
Dr. Chang's Medicare services by type, 2019 to 2020
- 2019
- 2020
- Office and hospital visits
- 2019: 502020: 112124%
- Tests and treatments
- 2019: 02020: 32
Dr. Chang compared with the New York median for neurologists, 2020
- Dr. Chang
- New York median
- Medicare services
- 144vs 37662% below
- Part D claims
- 42vs 37589% below
Medians across 1,462 neurologists in New York with Dmand AI profiles that report each measure.
Dr. Chang's most billed Medicare procedure codes, 2020
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. Chang and other neurologists in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Rui F. Chang's patients have a median age of 61
Across all payers, Dmand AI patient panel data puts Dr. Chang's median patient age at 61, with 35% women.
Dr. Chang'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
- Women35%
- Men65%
Source: Dmand AI Patient Panel Data
Dr. Rui F. Chang wrote 42 Medicare Part D claims in 2021
In 2021, Dr. Chang wrote 42 Medicare Part D claims. Every claim was for a generic drug. They cover 2 drugs, with $644 in total drug cost. In 2020, CMS named 423 claims across 16 drugs.
Dr. Chang's most prescribed drugs by claims, 2021
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, 2020 to 2021
- 2020
- 2021
- Claims for drugs CMS names
- 2020: 4232021: 4290%
Drugs named by CMS: 2 in 2021, 16 in 2020.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Rui F. Chang received $983 in industry payments from 2019 to 2024
CMS Open Payments shows 8 general payments to Dr. Chang from 6 drug and device companies from 2019 to 2024. Food and beverage make up the largest share, 67% of the total. LivaNova USA, Inc. paid the most, $524.
General payments to Dr. Chang by program year, 2019 to 2024
General payments to Dr. Chang by kind, 2019 to 2024
- Food and beverage$65667%
- Travel and lodging$26627%
- Education$616%
Companies that paid Dr. Chang the most, 2019 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Rui F. Chang'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 DataDmand AI Org Hierarchy 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Rui F. Chang
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. Rui F. Chang's NPI number?
Dr. Rui F. Chang's NPI number is 1750701322. It was assigned on April 23, 2014, and it is active in the NPI Registry.
What kind of doctor is Dr. Rui F. Chang?
Dr. Rui F. Chang is a neurologist in Brooklyn, New York. The primary specialty in the NPI Registry is Neurology Physician (taxonomy code 2084N0400X).
Where does Dr. Rui F. Chang practice?
Dr. Chang practices at 800 Poly Place, Brooklyn, NY 11209. Dr. Chang's primary practice is Brooklyn VA Medical Center in Brooklyn, New York, part of Veterans Health Administration.
What is Dr. Rui F. Chang's office phone number?
The practice phone on file for Dr. Chang is (718) 836-6600.
What is Dr. Rui F. Chang's medical license number?
Dr. Chang holds New York license 281875.
Which hospitals is Dr. Rui F. Chang affiliated with?
Dr. Chang practices at Brooklyn VA Medical Center in Brooklyn, New York.
What medical group is Dr. Rui F. Chang part of?
Dr. Chang is linked to Mount Sinai Institute for Liver Medicine.
Does Dr. Rui F. Chang accept Medicare?
Yes. CMS data shows Dr. Chang billed Medicare for 144 services in 2020.
What services does Dr. Rui F. Chang bill to Medicare?
In 2020, Dr. Chang's most billed Medicare services were office visit, established patient (99215), office visit, established patient (99214) and office visit, new patient (99204).
What drugs does Dr. Rui F. Chang prescribe most?
In 2021 Medicare Part D data, Dr. Chang's most prescribed drugs by claims were Gabapentin and Baclofen.
Has Dr. Rui F. Chang received payments from drug or device companies?
CMS Open Payments shows $983 in general payments to Dr. Chang from 6 companies from 2019 to 2024. The largest total came from LivaNova USA, Inc.
How long has Dr. Rui F. Chang been practicing?
Dr. Chang's NPI was assigned in 2014.
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