Dr. Larry Sy, MD
- Medicare services, 2019
- 248
- Part D claims, 2019
- 626
- Industry payments
- $1,021
- Affiliated sites
- 1
- Medical group
- 1
- Practice address
- 403 E 1st St, Dixon, IL 61021
- Practice phone
- Call (815) 288-5531
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Katherine Shaw Bethea Hospital
Dixon, Illinois
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. Larry Sy is an internist in Dixon, Illinois
Dr. Sy practices at Katherine Shaw Bethea Hospital in Dixon, Illinois.
Dr. Sy's NPI, 1932182995, was assigned on November 23, 2005. Dr. Sy holds Illinois license 036088347.
- NPI
- 1932182995NPI Registry (opens in a new tab)
- NPI enumeration date
- November 23, 2005
- NPI status
- Active
- Practice phone
- (815) 288-5531
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Larry Sy practices at Katherine Shaw Bethea Hospital in Dixon, Illinois
Dr. Sy's primary practice is Katherine Shaw Bethea Hospital, at 403 E 1st St, Dixon, IL 61021 in Lee County. The practice phone is (815) 288-5531.
- Katherine Shaw Bethea Hospital403 E 1st St, Dixon, IL 61021 · Lee CountyPhone(815) 288-5531
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Larry Sy is affiliated with 2 sites of care and 1 medical group
Dr. Sy's primary practice is Katherine Shaw Bethea Hospital in Dixon, Illinois. The medical group on file is Mercyhealth Physicians. Dmand AI also links Dr. Sy to 1 more group practice or clinic, 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. Larry Sy's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Sy practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Katherine Shaw Bethea Hospital | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Larry Sy is one of 5,652 internists in Illinois
Internal medicine is Dr. Sy's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Sy is licensed in Illinois.
Specialties and state licenses
- Internal medicine, IllinoisPrimary
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. Larry Sy billed Medicare for 248 services in 2019
CMS data shows 248 Medicare services from Dr. Sy across 5 procedure codes in 2019. Medicare paid $12,867 for them. Every service was in an office.
Dr. Sy's Medicare services by type, 2018 to 2019
- 2018
- 2019
- Office and hospital visits
- 2018: 1812019: 1916%
- Surgery
- 2018: 212019: 3357%
- Other services
- 2018: 02019: 24
Dr. Sy compared with the Illinois median for internists, 2019
- Dr. Sy
- Illinois median
- Medicare services
- 248vs 56656% below
- Part D claims
- 626vs 2842.2 times
Medians across 5,192 internists in Illinois with Dmand AI profiles that report each measure.
Dr. Sy's most billed Medicare procedure codes, 2019
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 Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Larry Sy's patients have a median age of 56
Across all payers, Dmand AI patient panel data puts Dr. Sy's median patient age at 56, with 28% women.
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 56
Patient panel by sex, all payers
- Women28%
- Men72%
Source: Dmand AI Patient Panel Data
Dr. Larry Sy wrote 626 Medicare Part D claims in 2019
In 2019, Dr. Sy wrote 626 Medicare Part D claims. They cover 28 drugs, with $6,932 in total drug cost. In 2018, CMS named 1,655 claims across 57 drugs.
Dr. Sy's most prescribed drugs by claims, 2019
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2018 to 2019
- 2018
- 2019
- Claims for drugs CMS names
- 2018: 1,6552019: 62662%
Drugs named by CMS: 28 in 2019, 57 in 2018.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Larry Sy received $1,021 in industry payments from 2016 to 2025
CMS Open Payments shows 17 general payments to Dr. Sy from 13 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. GlaxoSmithKline, LLC. paid the most, $145.
General payments to Dr. Sy by program year, 2016 to 2025
General payments to Dr. Sy by kind, 2016 to 2025
- Food and beverage$1,019100%
- Education$20%
Companies that paid Dr. Sy the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Larry 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 Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Larry 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. Larry Sy's NPI number?
Dr. Larry Sy's NPI number is 1932182995. It was assigned on November 23, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Larry Sy?
Dr. Larry Sy is an internist in Dixon, Illinois. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Larry Sy practice?
Dr. Sy practices at 403 E 1st St, Dixon, IL 61021. Dr. Sy's primary practice is Katherine Shaw Bethea Hospital in Dixon, Illinois. Dmand AI also links Dr. Sy to 1 group practice or clinic.
What is Dr. Larry Sy's office phone number?
The practice phone on file for Dr. Sy is (815) 288-5531.
What is Dr. Larry Sy's medical license number?
Dr. Sy holds Illinois license 036088347.
What medical group is Dr. Larry Sy part of?
Dr. Sy is linked to Mercyhealth Physicians.
Does Dr. Larry Sy accept Medicare?
Yes. CMS data shows Dr. Sy billed Medicare for 248 services in 2019.
What services does Dr. Larry Sy bill to Medicare?
In 2019, Dr. Sy's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and surgery: heart and blood vessels (36415).
What drugs does Dr. Larry Sy prescribe most?
In 2019 Medicare Part D data, Dr. Sy's most prescribed drugs by claims were Atorvastatin Calcium, Levothyroxine Sodium and Losartan Potassium.
Has Dr. Larry Sy received payments from drug or device companies?
CMS Open Payments shows $1,021 in general payments to Dr. Sy from 13 companies from 2016 to 2025. The largest total came from GlaxoSmithKline, LLC.
How long has Dr. Larry Sy been practicing?
Dr. Sy's NPI was assigned in 2005.
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