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

Dr. Thanh Thien Ha Lan, MD

Individual provider Dermatopathology (Pathology) Physician · NPI 1124310842

Dr. Thanh Thien Ha Lan, MD is a Pathology in Winnetka, Illinois. Qualified in 2009, 17 years ago. Practices with Clear Choice Dermatology, a 48-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Illinois and Oregon.

Years since qualifying
17
Licensed in
IL, OR
In the registry since
2011
Specialties on file
2
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

960 Old Green Bay Rd Apt 3N
Winnetka, IL 60093-1710
Phone: (224) 247-8870
Show map & directions

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

Additional practice locations (2)

  • 2225 Enterprise Dr Ste 2511, Westchester, IL 60154-5805 — (708) 486-0076
  • 966 12th St Se Ste 130, Salem, OR 97302-2860 — (503) 837-6395

Specialties & licences

Anatomic Pathology & Clinical Pathology Physician (primary) Taxonomy 207ZP0102X · Licence 125056493 (IL)
Dermatopathology (Pathology) Physician Taxonomy 207ZD0900X · Licence MD222721 (OR)

Record details

NPI number1124310842
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedMay 13, 2011
Last updated in NPPESMarch 18, 2025
Certification dateMarch 18, 2025

Medicare enrollment

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

Medicare specialtyPATHOLOGY
Medical schoolOTHER
Graduated 2009 (17 years in practice)
Group practice Clear Choice Dermatology — 48 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare