Thanh Lan, M.D.
NPI 1124310842 · Anatomic Pathology & Clinical Pathology Physician · Winnetka, IL
Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thanh Lan, M.D. is a Anatomic Pathology & Clinical Pathology Physician provider in Winnetka, IL (NPI 1124310842).
Provider details
- NPI number
- 1124310842
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology & Clinical Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- MD222721 (OR)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
15 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
2,894 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 984 | $37 |
| Cell Examination of Specimen, Selective Cellular Enhancement Technique88112 | 769 | $70 |
| Surgical Pathology, Gross and Microscopic Examinations, for Prostate Needle Biopsy, Any MethodG0416 | 281 | $374 |
| Special Stained Specimen Slides to Examine Tissue, Each Multiplex Procedure88344 | 149 | $178 |
| Special Stained Specimen Slides to Examine Tissue, Each Additional Procedure88341 | 133 | $28 |
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 117 | $69 |
Practice location
Mailing address
Additional practice locations (2)
- 2225 Enterprise Dr Ste 2511Westchester, IL 60154-5805Phone: (708) 486-0076
- 966 12th St Se Ste 130Salem, OR 97302-2860Phone: (503) 837-6395Fax: (541) 210-8913
Registry dates
- Enumerated
- 2011-05-13
- Last updated
- 2025-03-18
- Certified
- 2025-03-18
Frequently asked questions
- What is Thanh Lan's NPI number?
- Thanh Lan's National Provider Identifier (NPI) is 1124310842, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thanh Lan's specialty?
- Thanh Lan is listed in the NPPES registry with a primary specialty of Anatomic Pathology & Clinical Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is Thanh Lan located?
- Thanh Lan's practice location on file with NPPES is 960 Old Green Bay Rd Apt 3n, Winnetka, IL 60093-1710.
- What is Thanh Lan's phone number?
- The practice phone number listed in the NPPES registry for Thanh Lan is (224) 247-8870.
- Does Thanh Lan accept Medicare?
- Thanh Lan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thanh Lan's NPI active?
- Yes — Thanh Lan's NPI (1124310842) is active in the NPPES registry as of the last update on 2025-03-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.