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

Ernesto Tan, MD

Individual provider Urology Physician · NPI 1699882084

Ernesto Tan, MD is an Urology in Lockport, Illinois. Qualified in 1972, 54 years ago. Practices with Graham Hospital Association, a 123-clinician group and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
54
Licensed in
IL
In the registry since
2006
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

300 Read St Ste A
Lockport, IL 60441-3265
Phone: (815) 741-1020
Fax: (815) 741-1064
Show map & directions

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

Specialties & licences

Urology Physician (primary) Taxonomy 208800000X · Licence 036049705 (IL)

Record details

NPI number1699882084
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 23, 2006
Last updated in NPPESAugust 30, 2023
Certification dateAugust 30, 2023
Mailing address10400 Southwest Hwy Lowr Level, Chicago Ridge, IL 60415-2394

Medicare enrollment

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

Medicare specialtyUROLOGY
Medical schoolOTHER
Graduated 1972 (54 years in practice)
Group practice Graham Hospital Association — 123 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount