Dr. Claude G. Sy, MD
- Medicare services, 2024
- 685
- Medicare patients, 2024
- 171
- Part D claims, 2024
- 9,228
- Hospital affiliations
- 3
- Industry payments
- $2,332
- Practice address
- 1026 Union Rd, West Seneca, NY 14224
- Practice phone
- Call (716) 712-0851
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Southgate Medical Group
West Seneca, New York
Find Dr. Sy's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Claude G. Sy is an internist in West Seneca, New York
Dr. Sy practices at Southgate Medical Group in West Seneca, New York.
Dr. Sy's NPI, 1437135381, was assigned on December 21, 2005. Dr. Sy graduated from University of Santo Tomas in 1989. Dr. Sy holds New York license 208192.
- NPI
- 1437135381NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0345153532
- NPI enumeration date
- December 21, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (716) 712-0851
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 63
- Medical school graduation
- 1989
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Claude G. Sy practices at Southgate Medical Group in West Seneca, New York
Dr. Sy's primary practice is Southgate Medical Group, at 1026 Union Rd, West Seneca, NY 14224 in Erie County. The practice phone is (716) 712-0851.
- Southgate Medical Group1026 Union Rd, West Seneca, NY 14224 · Erie CountyPhone(716) 712-0851
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Claude G. Sy is affiliated with 7 sites of care and 1 medical group
Dr. Sy's primary practice is Southgate Medical Group in West Seneca, New York. Dr. Sy is also affiliated with Buffalo General Medical Center/Gates Vascular Institute. The medical group on file is Southgate Medical Group. Dmand AI also links Dr. Sy to 2 more hospitals, 2 home health agencies and 1 group practice or clinic, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Claude G. Sy's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Sy practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Southgate Medical Group | Available with a free account |
| +6 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Claude G. Sy is one of 9,643 internists in New York
Internal medicine is Dr. Sy's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Sy is licensed in New York.
Specialties and state licenses
- Internal medicine, New YorkPrimary
Internists near Dr. Sy
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Claude G. Sy billed Medicare for 685 services in 2024
CMS data shows 685 Medicare services from Dr. Sy across 15 procedure codes in 2024, for 171 Medicare patients. Medicare paid $47,195 for them. Every service was in an office.
Dr. Sy's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Other services
- 2023: 1422024: 27694%
- Office and hospital visits
- 2023: 2602024: 2523%
- Tests and treatments
- 2023: 1362024: 15715%
Dr. Sy compared with the New York median for internists, 2024
- Dr. Sy
- New York median
- Medicare services
- 685vs 42661% above
- Medicare patients
- 171vs 1588% above
- Part D claims
- 8,461vs 62213.6 times
Medians across 9,428 internists in New York with Dmand AI profiles that report each measure.
Dr. Sy's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Sy and other internists in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Claude G. Sy treated 171 Medicare patients in 2024, average age 74
CMS counts 171 Medicare patients who saw Dr. Sy in 2024. The largest group is 65 to 74, with 69 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 17% are also on Medicaid. Their average risk score is 1.16, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Sy's median patient age at 69, with 51% women.
Dr. Sy's Medicare patients by age, 2024
Dr. Sy's Medicare patients by sex, 2024
- Women7846%
- Men9354%
Chronic conditions among Dr. Sy's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis47%
- Diabetes36%
- Chronic kidney disease35%
- Ischemic heart disease26%
- Mood disorders23%
- Anxiety22%
Share of Medicare patients with each condition. A patient can have several.
Dr. Sy's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women51%
- Men48%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Claude G. Sy wrote 9,228 Medicare Part D claims in 2024
In 2024, Dr. Sy wrote 9,228 Medicare Part D claims for 712 patients. 88% of them were for generic drugs. CMS names the drug for 8,461 of them, across 121 drugs with 11 or more claims each, at $683,726 in total drug cost. In 2023, CMS named 8,876 claims across 133 drugs.
Dr. Sy's Part D claims by kind of drug, 2024
- Generic8,142 claims88%
- Brand-name1,006 claims11%
- Other80 claims1%
Dr. Sy's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Sy's Part D claims, 2024
- Opioids1%112 of 9,228 claims
- Antibiotics1%109 of 9,228 claims
- Antipsychotics, patients 65 and over0%18 of 9,228 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 8,8762024: 8,4615%
Drugs named by CMS: 121 in 2024, 133 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Claude G. Sy offers telehealth to Medicare patients
Dr. Sy accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Sy as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Claude G. Sy received $2,332 in industry payments from 2016 to 2022
CMS Open Payments shows 40 general payments to Dr. Sy from 11 drug and device companies from 2016 to 2022. Food and beverage make up the largest share, 97% of the total. AstraZeneca Pharmaceuticals LP paid the most, $732.
General payments to Dr. Sy by program year, 2016 to 2022
General payments to Dr. Sy by kind, 2016 to 2022
- Food and beverage$2,26397%
- Education$683%
Companies that paid Dr. Sy the most, 2016 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Claude G. Sy graduated from University of Santo Tomas
Dr. Sy graduated from University of Santo Tomas in 1989.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Claude G. Sy's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Claude G. Sy
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Claude G. Sy's NPI number?
Dr. Claude G. Sy's NPI number is 1437135381. It was assigned on December 21, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Claude G. Sy?
Dr. Claude G. Sy is an internist in West Seneca, New York. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Claude G. Sy practice?
Dr. Sy practices at 1026 Union Rd, West Seneca, NY 14224. Dr. Sy's primary practice is Southgate Medical Group in West Seneca, New York. Dmand AI also links Dr. Sy to 2 hospitals, 2 home health agencies and 1 group practice or clinic.
What is Dr. Claude G. Sy's office phone number?
The practice phone on file for Dr. Sy is (716) 712-0851.
What is Dr. Claude G. Sy's medical license number?
Dr. Sy holds New York license 208192.
Which hospitals is Dr. Claude G. Sy affiliated with?
Dr. Sy is affiliated with Buffalo General Medical Center/Gates Vascular Institute. Dmand AI links Dr. Sy to 2 more hospitals.
What medical group is Dr. Claude G. Sy part of?
Dr. Sy is linked to Southgate Medical Group.
Does Dr. Claude G. Sy accept Medicare?
Yes. CMS data shows Dr. Sy billed Medicare for 685 services in 2024, and Dr. Sy accepts Medicare assignment.
Does Dr. Claude G. Sy offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Sy as offering telehealth services.
How many Medicare patients does Dr. Claude G. Sy see?
CMS counts 171 Medicare patients who saw Dr. Sy in 2024, with an average age of 74.
Show 5 more questionsShow fewer questions
What services does Dr. Claude G. Sy bill to Medicare?
In 2024, Dr. Sy's most billed Medicare services were office visit, established patient (99214), medicare service (G2211) and medicare service (G0439).
Where did Dr. Claude G. Sy go to medical school?
Dr. Sy graduated from University of Santo Tomas in 1989.
What drugs does Dr. Claude G. Sy prescribe most?
In 2024 Medicare Part D data, Dr. Sy's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Rosuvastatin Calcium.
Has Dr. Claude G. Sy received payments from drug or device companies?
CMS Open Payments shows $2,332 in general payments to Dr. Sy from 11 companies from 2016 to 2022. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Claude G. Sy been practicing?
Dr. Sy graduated from medical school in 1989, 37 years ago.
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