Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Nelson C Yu, MD

Individual provider Sleep Medicine (Internal Medicine) Physician · NPI 1447297601

Nelson C Yu, MD is a Pulmonary Disease in Granite City, Illinois. Qualified in 1991, 35 years ago. Practices with Ahs Il Medical Group LLC, a 46-clinician group. Licensed in Illinois and Washington.

Years since qualifying
35
Licensed in
IL, WA
In the registry since
2006
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

2044 Madison Ave Ste 15
Granite City, IL 62040-4641
Phone: (618) 798-8405
Fax: (509) 798-8116
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Sleep Medicine (Internal Medicine) Physician (primary) Taxonomy 207RS0012X · Licence 03615448 (IL)
Pulmonary Disease Physician Taxonomy 207RP1001X · Licence MD00045444 (WA)
Pulmonary Disease Physician Taxonomy 207RP1001X · Licence 036.154438 (IL)

Record details

NPI number1447297601
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMay 31, 2006
Last updated in NPPESApril 19, 2026
Certification dateApril 19, 2026
Mailing address2044 Madison Ave Ste 15, Granite City, IL 62040-4641

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyPULMONARY DISEASE
Also practisesSLEEP MEDICINE
Medical schoolOTHER
Graduated 1991 (35 years in practice)
Group practice Ahs Il Medical Group Llc — 46 clinicians
Accepts Medicare assignment Not indicated