Alexander Da Chau Wang, MD
Emergency Medicine Physician · Brooklyn, NY
Alexander Da Chau Wang, MD is an emergency medicine physician with a practice address in Brooklyn, New York, and NPI 1861837650, issued on May 7, 2013. Check the license (New York 284869, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Alexander Da Chau Wang
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- 284869 NY
036143112 IL
01081815A IN
2019019449 MO
Self-reported in NPPES; status is on the state search - Practice location
- 506 6TH St, Brooklyn, NY 11215
- Phone
- (718) 780-5040
- Enumerated
- May 7, 2013
- Record last updated
- Nov 15, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20211007001969); accepts Medicare assignment
- Medical or professional school
- University Of South Florida College Of Medicine, 2013
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 5,025 in New York → Look up another NPI →
Also registered at 506 6TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Danielle Abadi, MDPediatrics Physician1003298993
- Haley Abbott, DDSStudent in an Organized Health Care Education/Training Program1568313161
- Jacob Abraham, MDStudent in an Organized Health Care Education/Training Program1043009665
- Maria Abraham, M.D.Pediatrics Physician1184039463
- Alexander Abramov, PA-CPhysician Assistant1487339511
- Eric Abrams, M.D.Emergency Medicine Physician1851737340
Verify Alexander Da Chau Wang 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 284869Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% more Medicare Part D claims than the average emergency medicine physician in 2024
422 Medicare Part D claims for 294 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 45 claims were for opioids.
Most prescribed
- Cephalexin36 claims
- Ciprofloxacin Hcl36 claims
- Amoxicillin-Clavulanate Potass31 claims
- Hydrocodone-Acetaminophen30 claims
- Ondansetron Hcl30 claims
- Dicyclomine Hcl22 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.
Bills Medicare through one group practice
- Comprehensive Care IncPlacentia, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Alexander Da Chau Wang among 5,025 emergency medicine physician records in New York
Alexander Da Chau Wang, MD is one of 5,025 emergency medicine physician records with a practice address in New York. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 56% of them.
- NPI issued2013 · 56% of these records are older, 41% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2013 · median 2013 among the 3,232 with a school on file
- Record last updated2019 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
719 emergency medicine physician records list a practice address in Brooklyn
They are 719 of the 64,057 NPPES records with a practice address in Brooklyn, and 5,025 emergency medicine physician records in New York.
All 5,025 in New York → Every provider in Brooklyn → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Robert Birkhahn, MDBrooklyn, NY 112151366497455
- Joseph Bove, MDBrooklyn, NY 112151679528624
- Michael Cabezon, MDBrooklyn, NY 112151306893367
- Mahmoud Eid, MDBrooklyn, NY 112151508968561
- Theodore Gaeta, DOBrooklyn, NY 112151932142213
- Amy Lazarides, MDBrooklyn, NY 112151538116546
- Paul Leo, MDBrooklyn, NY 112151740226422
- Olivia Lopez, MDBrooklyn, NY 112151780624866
Common questions
What is Alexander Da Chau Wang, MD's NPI number?
Alexander Da Chau Wang, MD's National Provider Identifier (NPI) is 1861837650, issued on May 7, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Alexander Da Chau Wang, MD located?
The NPPES record lists a practice address at 506 6TH St, Brooklyn, NY, 11215. Phone: (718) 780-5040. Providers update this record themselves, so call before visiting.
How can I verify Alexander Da Chau Wang, MD's license?
NPPES lists New York license number 284869, 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 Alexander Da Chau Wang, MD prescribe under Medicare Part D?
In 2024, Alexander Da Chau Wang, MD had 422 Medicare Part D claims for 294 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.