NPPES file of Aug 9, 2026

Rex H. Wu, M.D.

Internal Medicine Physician · New York, NY

Rex H. Wu, M.D. is an internal medicine physician with a practice address in New York, New York, and NPI 1861456196, issued on Apr 13, 2006. Check the license (New York 209929, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1861456196
Name
Rex H. Wu
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
209929 NY
Self-reported in NPPES; status is on the state search
Practice location
128 Mott Street, New York, NY 10013
Phone
(212) 343-9716
Enumerated
Apr 13, 2006
Record last updated
Aug 11, 2014 (not updated in 12 years: call before relying on the address or phone)
Fax
(212) 343-9717
Medicare enrollment
Enrolled (PECOS I20050411000712); accepts Medicare assignment
Medical or professional school
State University Of New York Downstate Medical Center, 1996
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Rex H. Wu in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
    Search for license 209929
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the New York license search

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6.1 times the Medicare Part D claims of the average internal medicine physician in 2024

19,269 Medicare Part D claims for 813 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims. 27 claims were for opioids.

  1. Rex Wu19,269
  2. Specialty average3,176

Most prescribed

  1. Amlodipine Besylate1,857 claims
  2. Atorvastatin Calcium1,575 claims
  3. Losartan Potassium1,060 claims
  4. Metoprolol Succinate771 claims
  5. Rosuvastatin Calcium502 claims
  6. Tamsulosin Hcl469 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: $523.85

15 payments; by number, the most common kind was food and beverage; the largest payer was GlaxoSmithKline, LLC. 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.

  1. Rex Wu$523.85
  2. Specialty average$1,303.06

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Rex H. Wu among 12,067 internal medicine physician records in New York

Rex H. Wu, M.D. 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 2006, is newer than 8% of them.

  • NPI issued2006 · 8% of these records are older, 53% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated1996 · median 2002 among the 7,221 with a school on file
  • Record last updated2014 · 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).

2,434 internal medicine physician records list a practice address in New York

They are 2,434 of the 98,468 NPPES records with a practice address in New York, and 12,067 internal medicine physician records in New York.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Douglas Chen, D.O.New York, NY 100131033107529
  2. George Hall, MDNew York, NY 100131639171143
  3. Helang Kravitz, M.D.New York, NY 100131134118706
  4. Terry Lam, M.D.New York, NY 100131659371078
  5. Catherine Lee, MDNew York, NY 100131245223049
  6. Billy Li, M.D.New York, NY 100131659368223
  7. Fei-Lien Liong, MDNew York, NY 100131457323727
  8. Jeffrey Low, MDNew York, NY 100131972586881

Common questions

What is Rex H. Wu, M.D.'s NPI number?

Rex H. Wu, M.D.'s National Provider Identifier (NPI) is 1861456196, issued on Apr 13, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Rex H. Wu, M.D. located?

The NPPES record lists a practice address at 128 Mott Street, New York, NY, 10013. Phone: (212) 343-9716. Providers update this record themselves, so call before visiting.

How can I verify Rex H. Wu, M.D.'s license?

NPPES lists New York license number 209929, 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 Rex H. Wu, M.D. prescribe under Medicare Part D?

In 2024, Rex H. Wu, M.D. had 19,269 Medicare Part D claims for 813 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.