Gin Den William Chang, DO
Internal Medicine Physician · Roslyn, NY
Gin Den William Chang, DO is an internal medicine physician with a practice address in Roslyn, New York, and NPI 1689179582, issued on Mar 24, 2018. Check the license (New York 310324, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Gin Den William Chang
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 310324 NY
Self-reported in NPPES; status is on the state search - Practice location
- 100 Port Washington Blvd, Roslyn, NY 11576
- Phone
- (516) 562-6000
- Enumerated
- Mar 24, 2018
- Record last updated
- Jul 7, 2021 (not updated in 5 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 12,067 in New York → Look up another NPI →
Also registered at 100 Port Washington Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Nicole Afonso, PAPhysician Assistant1568894160
- Alina Agnello, PA-CMedical Physician Assistant1487025581
- Tahir Ahmad, M.D.Critical Care Medicine (Internal Medicine) Physician1578950218
- Zaid Ahmad, M.D.Anesthesiology Physician1871507947
Verify Gin Den William Chang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 310324Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average internal medicine physician in 2024
211 Medicare Part D claims for 58 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.
Most prescribed
- Carvedilol29 claims
- Furosemide17 claims
- Amlodipine Besylate14 claims
- Jardiance11 claims
- Losartan-Hydrochlorothiazide11 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.
The MIPS final score for 2023 (Medicare payment program): 91.3 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,075.30
11 payments; by number, the most common kind was food and beverage; the largest payer was Zoll Services LLC (a/k/a Zoll LifeCor Corp). The 50,334 providers of this specialty with any payment received $1,303.06 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.
Gin Den William Chang among 12,067 internal medicine physician records in New York
Gin Den William Chang, DO is one of 12,067 internal medicine physician records with a practice address in New York. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 82% of them.
- NPI issued2018 · 82% of these records are older, 15% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 60% of these records are
- Record last updated2021 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
23 internal medicine physician records list a practice address in Roslyn
They are 23 of the 744 NPPES records with a practice address in Roslyn, and 12,067 internal medicine physician records in New York.
All 12,067 in New York → Every provider in Roslyn → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Joseph Ametrano, MDRoslyn, NY 115761942456454
- Viren Amin, M.D.Roslyn, NY 115761861661043
- Akram Boutros, M.D.Roslyn, NY 115761679773329
- Sundararaja Chandrasekaran, M.D.Roslyn, NY 115761598982209
- Maria Fedoseeva, MDRoslyn, NY 115761043599947
- Hc Glick, MDRoslyn, NY 115761215013990
- Kavita Goel, M.D.Roslyn, NY 115761356564348
- Nilsa Gutierrez, M.D.Roslyn, NY 115761922265446
Common questions
What is Gin Den William Chang, DO's NPI number?
Gin Den William Chang, DO's National Provider Identifier (NPI) is 1689179582, issued on Mar 24, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Gin Den William Chang, DO located?
The NPPES record lists a practice address at 100 Port Washington Blvd, Roslyn, NY, 11576. Phone: (516) 562-6000. Providers update this record themselves, so call before visiting.
How can I verify Gin Den William Chang, DO's license?
NPPES lists New York license number 310324, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Gin Den William Chang, DO prescribe under Medicare Part D?
In 2024, Gin Den William Chang, DO had 211 Medicare Part D claims for 58 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Gin Den William Chang, DO's MIPS final score?
The 2023 MIPS final score is 91.3 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.