Claude Sy, M.D.
Internal Medicine Physician · West Seneca, NY
Claude Sy, M.D. is an internal medicine physician with a practice address in West Seneca, New York, and NPI 1437135381, issued on Dec 21, 2005. Check the license (New York 208192, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Claude Sy
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 208192 NY
Self-reported in NPPES; status is on the state search - Practice location
- 1026 Union RD, West Seneca, NY 14224
- Phone
- (716) 712-0851
- Enumerated
- Dec 21, 2005
- Record last updated
- Jul 23, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (716) 712-0853
- Medicaid ID
- 01590849 NY
- Medicare enrollment
- Enrolled (PECOS I20100203000676); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 12,067 in New York → Look up another NPI →
Also registered at 1026 Union RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Brandon Brownell, M.D.Family Medicine Physician1861837361
- Lisa Ciepiela, M.S., CCC-SLPSpeech-Language Pathologist1619296944
- Ivan D'Souza, M.D.Obstetrics & Gynecology Physician1417938614
Verify Claude Sy 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 208192Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.9 times the Medicare Part D claims of the average internal medicine physician in 2024
9,228 Medicare Part D claims for 712 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 112 claims were for opioids.
Most prescribed
- Atorvastatin Calcium694 claims
- Amlodipine Besylate536 claims
- Rosuvastatin Calcium470 claims
- Lisinopril336 claims
- Levothyroxine Sodium315 claims
- Ezetimibe247 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
- Southgate Medical Group LLPWest Seneca, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Claude Sy among 12,067 internal medicine physician records in New York
Claude Sy, 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 92% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1989 · 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).
21 internal medicine physician records list a practice address in West Seneca
They are 21 of the 1,175 NPPES records with a practice address in West Seneca, and 12,067 internal medicine physician records in New York.
All 12,067 in New York → Every provider in West Seneca → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Stephen Chrzanowski, MDWest Seneca, NY 142241013966647
- Vyjanthanath Gunasingham, M.D.West Seneca, NY 142241912900432
- David Gunther, M.D.West Seneca, NY 142241962483156
- Lisa Hoffman, M.D.West Seneca, NY 142241679550412
- Soosaipillai Jeyapalan, MDWest Seneca, NY 142241992779284
- Mary Kelly, MDWest Seneca, NY 142241053361816
- Erzsebet Mazepa, MDWest Seneca, NY 142241801845516
- Edward Obrien, MDWest Seneca, NY 142241053379420
Common questions
What is Claude Sy, M.D.'s NPI number?
Claude Sy, M.D.'s National Provider Identifier (NPI) is 1437135381, issued on Dec 21, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Claude Sy, M.D. located?
The NPPES record lists a practice address at 1026 Union RD, West Seneca, NY, 14224. Phone: (716) 712-0851. Providers update this record themselves, so call before visiting.
How can I verify Claude Sy, M.D.'s license?
NPPES lists New York license number 208192, 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 Claude Sy, M.D. prescribe under Medicare Part D?
In 2024, Claude Sy, M.D. had 9,228 Medicare Part D claims for 712 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.