Wootaek Chang
Nephrology Physician · Brooklyn, NY
Wootaek Chang is a nephrology physician with a practice address in Brooklyn, New York, and NPI 1437167590, issued on Aug 4, 2006. Check the license (New York 171373, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Wootaek Chang
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- 171373 NY
Self-reported in NPPES; status is on the state search - Practice location
- 121 Dekalb Ave, Brooklyn, NY 11201
- Phone
- (718) 250-8022
- Enumerated
- Aug 4, 2006
- Record last updated
- Aug 9, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (718) 250-6179
- Medicaid ID
- 01153222 NY
- Medicare enrollment
- Enrolled (PECOS I20051207000548); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 121 Dekalb Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Hany Abdelsayed, DOInternal Medicine Physician1194469452
- Lorena Abou Asaff Yehya, MDStudent in an Organized Health Care Education/Training Program1699463760
- Adebanke Adebayo, M.DEmergency Medicine Physician1306291406
- Hrede Afsana, M.D.Student in an Organized Health Care Education/Training Program1952764672
- Sarah Afzal, DPMStudent in an Organized Health Care Education/Training Program1710730049
- Shardil AhmadStudent in an Organized Health Care Education/Training Program1780479972
Verify Wootaek 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 171373Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
41% fewer Medicare Part D claims than the average nephrology physician in 2024
858 Medicare Part D claims for 58 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D.
Most prescribed
- Sevelamer Carbonate79 claims
- Calcium Acetate64 claims
- Nifedipine Er62 claims
- Minoxidil49 claims
- Metoprolol Succinate42 claims
- Amlodipine Besylate32 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: $49.27
2 payments; by number, the most common kind was food and beverage; the largest payer was Akebia Therapeutics Inc. The 8,230 providers of this specialty with any payment received $3,091.37 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.
Nephrology Physician providers in New York
There are 1,049 nephrology physician records in New York.
Other nephrology physician records in New York
- Mersema Abate, MDEast Setauket, NY1497950133
- Rula Abdulrahman, M.D.Stony Brook, NY1790180776
- Matthew Abramowitz, M.D.Bronx, NY1619115524
- Matthew Abramson, M.D.New York, NY1790104560
- Niraj Acharya, MDBrooklyn, NY1609950617
- Hugh Adams, MDRochester, NY1356637482
- Sujatha Addagatla, M.D.Niagara Falls, NY1720168198
- Daniel Addanki, M.D.,Bronx, NY1023281342
- Stephen Adler, MDHawthorne, NY1164421020
- Christopher Adubor, MDMount Vernon, NY1962464594
Common questions
What is Wootaek Chang's NPI number?
Wootaek Chang's National Provider Identifier (NPI) is 1437167590, issued on Aug 4, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Wootaek Chang located?
The NPPES record lists a practice address at 121 Dekalb Ave, Brooklyn, NY, 11201. Phone: (718) 250-8022. Providers update this record themselves, so call before visiting.
How can I verify Wootaek Chang's license?
NPPES lists New York license number 171373, 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 Wootaek Chang prescribe under Medicare Part D?
In 2024, Wootaek Chang had 858 Medicare Part D claims for 58 beneficiaries; the average among nephrology physician prescribers was 1,465. 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.