Larry Sy, MD
Internal Medicine Physician · Rockford, IL
Larry Sy, MD is an internal medicine physician with a practice address in Rockford, Illinois, and NPI 1932182995, issued on Nov 23, 2005. Check the license (Illinois 036088347, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Larry Sy
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 036088347 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1200 W State St, Rockford, IL 61102
- Phone
- (815) 490-1600
- Enumerated
- Nov 23, 2005
- Record last updated
- Oct 22, 2010 (not updated in 16 years: call before relying on the address or phone)
- Medicaid ID
- 036088347 IL
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,238 in Illinois → Look up another NPI →
Also registered at 1200 W State St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Larry Sy in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036088347Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Larry Sy among 7,238 internal medicine physician records in Illinois
Larry Sy, MD is one of 7,238 internal medicine physician records with a practice address in Illinois. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 93% newer
- In a Medicare fileNo · 73% of these records are
- In the CMS Doctors and Clinicians fileNo · 50% of these records are
- Record last updated2010 · 47% 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 Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
82 internal medicine physician records list a practice address in Rockford
They are 82 of the 3,893 NPPES records with a practice address in Rockford, and 7,238 internal medicine physician records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 7,238 in Illinois → Every provider in Rockford → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Adekola Ashaye, MDRockford, IL 611021003899162
- Mary Brown, MDRockford, IL 611021750365862
- Maria Lozano VazquezRockford, IL 611021306132642
- Dawn Mellish, MDRockford, IL 611021154306082
- Peggy Shiels, MDRockford, IL 611021508849563
- Susan Deguide, M.D.Rockford, IL 611031609801224
- John Dorsey, MDRockford, IL 611031144330333
- Rubina Ehtesham, MDRockford, IL 611031962512152
Common questions
What is Larry Sy, MD's NPI number?
Larry Sy, MD's National Provider Identifier (NPI) is 1932182995, issued on Nov 23, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Larry Sy, MD located?
The NPPES record lists a practice address at 1200 W State St, Rockford, IL, 61102. Phone: (815) 490-1600. Providers update this record themselves, so call before visiting.
How can I verify Larry Sy, MD's license?
NPPES lists Illinois license number 036088347, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.