Doctor profile · Federal record

Dr. Thanh Lan, M.D.

Anatomic Pathology & Clinical Pathology Physician (CMS: Pathology) · Dermatopathology (Pathology) Physician · Winnetka, IL

  • NPI 1124310842
  • Accepts Medicare
  • MIPS 90.4 / 100 · 2023
  • 17 yrs in practice
  • Licensed in 2 states
  • Female
  • Solo practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
960 Old Green Bay RD Apt 3N
Winnetka, IL 600931710
(224) 247-8870
Additional location
966 12Th St Se Ste 130
Salem, OR 973022860
(503) 837-6395
fax (541) 210-8913
Additional location
2225 Enterprise Dr Ste 2511
Westchester, IL 601545805
(708) 486-0076
Mailing address
2225 Enterprise Dr Ste 2511
Westchester, IL 601545805

Credentials & registration

NPPES · NUCC
NPI registered
May 2011 — 15 yrs on file
Profile last updated
March 18, 2025
Year of graduation
2009 — 17 yrs since
Specialty taxonomy
207ZP0102X — NUCC code
State licenses (2)
Illinois #125056493 · Oregon #MD222721

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1124310842. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,712
Distinct HCPCS
10
Medicare allowed
$69,904
HCPCS Description Services Patients Avg allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity 1,098 497 $37
88341 Special stained specimen slides to examine tissue, each additional procedure 136 36 $29
88307 Pathology examination of tissue using a microscope, moderately high complexity 114 71 $84
88342 Special stained specimen slides to examine tissue, initial procedure 73 60 $35
88304 Pathology examination of tissue using a microscope, moderately low complexity 51 50 $11
88331 Pathology examination of specimen during surgery, first tissue block 50 23 $63
G0452 Molecular pathology procedure; physician interpretation and report 43 41 $48
88344 Special stained specimen slides to examine tissue, each multiplex procedure 32 20 $39
88312 Special stained specimen slides to identify organisms including interpretation and report 31 21 $27
88311 Preparation of tissue for examination by removing any calcium present 30 24 $13

In context: peer comparison

Among 1 peers in Winnetka Anatomic Pathology & Clinical Pathology Physician, average services per provider: 131. This provider delivers 13× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Thanh Lan's medical specialty?
Dr. Thanh Lan practices Anatomic Pathology & Clinical Pathology Physician in Winnetka, IL.
Where does Dr. Thanh Lan practice?
Dr. Thanh Lan practices at 960 Old Green Bay RD Apt 3N, Winnetka, IL 600931710. Office phone: 2242478870.
What is Dr. Thanh Lan's NPI?
Dr. Thanh Lan's National Provider Identifier (NPI) is 1124310842, issued by NPPES.
Does Dr. Thanh Lan accept Medicare assignment?
Yes. Dr. Thanh Lan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Thanh Lan commonly perform?
Top Medicare-reported procedures in 2023: Pathology examination of tissue using a microscope, intermediate complexity (HCPCS 88305); Special stained specimen slides to examine tissue, each additional procedure (HCPCS 88341); Pathology examination of tissue using a microscope, moderately high complexity (HCPCS 88307). Source: CMS Medicare Physician & Other Practitioners file.