Keith C. Chang, MD
Ophthalmology Physician · New York, NY
Keith C. Chang, MD is an ophthalmology physician with a practice address in New York, New York, and NPI 1588703995, issued on Feb 5, 2007. Check the license (New York 193442, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Keith C. Chang
- Credential
- MD
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- 193442 NY
Self-reported in NPPES; status is on the state search - Practice location
- 217 Grand St # 302, New York, NY 10013
- Phone
- (212) 965-8883
- Enumerated
- Feb 5, 2007
- Record last updated
- Nov 19, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (212) 965-8878
- Medicaid ID
- 01629038 NY
- Medicare enrollment
- Enrolled (PECOS I20070606000426); accepts Medicare assignment
- Medical or professional school
- Warren Alpert Medical School Of Brown University, 1991
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 1,822 in New York → Look up another NPI →
Verify Keith C. 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 193442Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
9.4 times the Medicare Part D claims of the average ophthalmology physician in 2024
14,275 Medicare Part D claims for 2,487 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 54% of claims.
Most prescribed
- Restasis2,605 claims
- Azelastine Hcl1,857 claims
- Bepotastine Besilate1,596 claims
- Latanoprost1,196 claims
- Prednisolone Acetate1,169 claims
- Neomycin-Polymyxin-Dexameth1,108 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: $1,476.60
55 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 13,221 providers of this specialty with any payment received $4,535.02 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.
Keith C. Chang among 1,822 ophthalmology physician records in New York
Keith C. Chang, MD is one of 1,822 ophthalmology 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 2007, is newer than 66% of them.
- NPI issued2007 · 66% of these records are older, 26% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated1991 · median 1995 among the 1,215 with a school on file
- Record last updated2007 · 71% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in New York
There are 1,822 ophthalmology physician records in New York.
All 1,822 in New York → Every provider in New York → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Ian Chan, MDNew York, NY 100131942406756
- Peter Chen, M.D.New York, NY 100131114999349
- Raymond Fong, M.D.New York, NY 100131730181868
- Melissa Leung, M.D.New York, NY 100131982608444
- Andrew Naing, M.D.New York, NY 100131609968833
- Bingjing Roberts, M.D.New York, NY 100131184629503
- David ShuNew York, NY 100131053329342
- Chi Shu, MDNew York, NY 100131053534057
Common questions
What is Keith C. Chang, MD's NPI number?
Keith C. Chang, MD's National Provider Identifier (NPI) is 1588703995, issued on Feb 5, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Keith C. Chang, MD located?
The NPPES record lists a practice address at 217 Grand St # 302, New York, NY, 10013. Phone: (212) 965-8883. Providers update this record themselves, so call before visiting.
How can I verify Keith C. Chang, MD's license?
NPPES lists New York license number 193442, 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 Keith C. Chang, MD prescribe under Medicare Part D?
In 2024, Keith C. Chang, MD had 14,275 Medicare Part D claims for 2,487 beneficiaries; the average among ophthalmology physician prescribers was 1,518. 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.