Nelson C. Yu, MD
Sleep Medicine (Internal Medicine) Physician · Granite City, IL
Nelson C. Yu, MD is a sleep medicine (internal medicine) physician with a practice address in Granite City, Illinois, and NPI 1447297601, issued on May 31, 2006. Check the license (Illinois 03615448, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Nelson C. Yu
- Credential
- MD
- Primary taxonomy
- Sleep Medicine (Internal Medicine) Physician 207RS0012X
- License numbers
- 03615448 IL
036.154438 IL
MD00045444 WA
Self-reported in NPPES; status is on the state search - Practice location
- 2044 Madison Ave Ste 15, Granite City, IL 62040
- Phone
- (618) 798-8405
- Enumerated
- May 31, 2006
- Record last updated
- Apr 19, 2026
- Fax
- (509) 798-8116
- Medicare enrollment
- Enrolled (PECOS I20210518002361); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest sleep medicine (internal medicine) physician records → All 43 in Illinois → Look up another NPI →
Verify Nelson C. Yu 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 03615448Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
71% more Medicare Part D claims than the average sleep medicine (internal medicine) physician in 2024
1,003 Medicare Part D claims for 188 beneficiaries, against an average of 585 among the 852 providers of this specialty who prescribed in Part D. Brand-name drugs were 55% of claims.
Most prescribed
- Albuterol Sulfate Hfa348 claims
- Breo Ellipta68 claims
- Spiriva Respimat61 claims
- Breztri Aerosphere58 claims
- Trelegy Ellipta54 claims
- Ipratropium Bromide53 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: $910.79
23 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 664 providers of this specialty with any payment received $3,724.37 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
- Ahs IL Medical Group LLCGlen Carbon, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nelson C. Yu among 43 sleep medicine (internal medicine) physician records in Illinois
Nelson C. Yu, MD is one of 43 sleep medicine (internal medicine) physician records with a practice address in Illinois. 91% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 72% newer
- In a Medicare fileYes · 91% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated1991 · median 2012 among the 30 with a school on file
- Record last updated2026 · 35% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RS0012X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Sleep Medicine (Internal Medicine) Physician providers in Illinois
There are 43 sleep medicine (internal medicine) physician records in Illinois.
All 43 in Illinois → Every provider in Granite City → Sleep Medicine (Internal Medicine) Physician nationwide →
The 8 sleep medicine (internal medicine) physician records with the nearest ZIP codes
- Vivek Thappa, MDRockford, IL 611041295743383
- Kim TreviranusSterling, IL 610811225118128
- Chimuanya Okoli, MDChicago, IL 606571003444779
- Jehad Abdalla, MDChicago, IL 606371053898684
- Farbod Ghods, M.DChicago, IL 606371588970933
- Amy Guralnick, M.D.Chicago, IL 606371720202740
- Naveed Mallick, MDChicago, IL 606371033275615
- Matthew Nemoy, DOChicago, IL 606371134786502
Common questions
What is Nelson C. Yu, MD's NPI number?
Nelson C. Yu, MD's National Provider Identifier (NPI) is 1447297601, issued on May 31, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Nelson C. Yu, MD located?
The NPPES record lists a practice address at 2044 Madison Ave Ste 15, Granite City, IL, 62040. Phone: (618) 798-8405. Providers update this record themselves, so call before visiting.
How can I verify Nelson C. Yu, MD's license?
NPPES lists Illinois license number 03615448, 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.
How much does Nelson C. Yu, MD prescribe under Medicare Part D?
In 2024, Nelson C. Yu, MD had 1,003 Medicare Part D claims for 188 beneficiaries; the average among sleep medicine (internal medicine) physician prescribers was 585. 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.