Cody Guannan Wu, MD
Internal Medicine Physician · Buffalo, NY
Cody Guannan Wu, MD is an internal medicine physician with a practice address in Buffalo, New York, and NPI 1275269235, issued on Aug 1, 2022. Check the license (New York 339204, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Cody Guannan Wu
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 339204 NY
Self-reported in NPPES; status is on the state search - Practice location
- 100 High St, Buffalo, NY 14203
- Phone
- (716) 859-5600
- Enumerated
- Aug 1, 2022
- Record last updated
- Aug 5, 2025
- Medicare enrollment
- Enrolled (PECOS I20250814003322); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 12,067 in New York → Look up another NPI →
Also registered at 100 High St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Mohamed Abdel-Aal Ahmed, M.D.Cardiovascular Disease Physician1164834776
- Jonah Abdo-Suarez, PHARMACISTPharmacist1164259826
- Samira Abdulkadir, PA-CPhysician Assistant1376344721
- Omar Abialmouna, MDRheumatology Physician1518527092
Verify Cody Guannan Wu 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 339204Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average internal medicine physician in 2024
361 Medicare Part D claims for 110 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.
Most prescribed
- Atorvastatin Calcium23 claims
- Amlodipine Besylate21 claims
- Lisinopril15 claims
- Eliquis14 claims
- Clopidogrel13 claims
- Metoprolol Succinate12 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: $184.49
4 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Pharmaceuticals, Inc. 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.
Bills Medicare through one group practice
- General Physician PCBuffalo, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Cody Guannan Wu among 12,067 internal medicine physician records in New York
Cody Guannan Wu, MD 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 2022, is newer than 94% of them.
- NPI issued2022 · 94% of these records are older, 4% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2022 · median 2002 among the 7,221 with a school on file
- Record last updated2025 · 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).
293 internal medicine physician records list a practice address in Buffalo
They are 293 of the 13,287 NPPES records with a practice address in Buffalo, and 12,067 internal medicine physician records in New York.
All 12,067 in New York → Every provider in Buffalo → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
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- Manju Ceylony, MDBuffalo, NY 142031831137298
- Richard Charles, M.D.Buffalo, NY 142031588629216
- Donald Miller, MDBuffalo, NY 142031225096282
- Matthew O Brien, MDBuffalo, NY 142031972551430
Common questions
What is Cody Guannan Wu, MD's NPI number?
Cody Guannan Wu, MD's National Provider Identifier (NPI) is 1275269235, issued on Aug 1, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Cody Guannan Wu, MD located?
The NPPES record lists a practice address at 100 High St, Buffalo, NY, 14203. Phone: (716) 859-5600. Providers update this record themselves, so call before visiting.
How can I verify Cody Guannan Wu, MD's license?
NPPES lists New York license number 339204, 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 Cody Guannan Wu, MD prescribe under Medicare Part D?
In 2024, Cody Guannan Wu, MD had 361 Medicare Part D claims for 110 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.