DR. THANH THIEN HA LAN M.D.
NPI 1124310842
Pathology - Anatomic Pathology & Clinical Pathology in Winnetka, IL

Q: What is Thanh Lan's NPI number?

The NPI number for Thanh Lan is 1124310842. It was assigned to this individual provider in the NPPES registry on May 13, 2011. The provider is also known as Thanh Thien Ha M.D..

Q: What is Thanh Lan's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.

Q: When was this NPI record last updated?

The NPPES record for Thanh Lan was last updated on March 18, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since May 13, 2011PECOS EnrolledAccepts Medicare Assignment

93.08/100

CMS Quality Rating

960 OLD GREEN BAY RD APT 3N, WINNETKA, IL 60093(224) 247-8870 Get Directions Write a Review

NPPES record last updated: March 18, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Mar 18, 2025, Jul 17, 2024, Mar 27, 2018 (3 updates tracked since 2018).

On this page

About Dr. Thanh Thien Ha Lan M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. THANH THIEN HA LAN M.D. (NPI 1124310842) is an individual anatomic pathology & clinical pathology provider in Winnetka, Illinois, licensed in Illinois (125056493) and active in the NPI registry since May 2011. She is enrolled in Medicare PECOS, is affiliated with Indiana University Health, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1124310842

Entity TypeIndividualFemale

Primary Taxonomy207ZP0102X

Provider Legal NameDR. THANH THIEN HA LANCredential: M.D.

Location Address960 OLD GREEN BAY RD APT 3NWinnetka, IL 60093-1710

Mailing Address2225 Enterprise Dr Ste 2511Westchester, IL 60154-5805 · (708) 486-0076

Phone(224) 247-8870

Sole ProprietorYes

Medical School CMSOtherGraduated 2009

Enumeration DateMay 13, 2011

Last NPPES UpdateMarch 18, 20253 updates tracked since enumeration

NPPES CertifiedMarch 18, 2025

✔ NPI 1124310842 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPathology · Anatomic Pathology & Clinical PathologyAllopathic & Osteopathic Physicians

Taxonomy Code207ZP0102X

License✔ Licensed in IL · 125056493

Definition

A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.

Also ListedPathology · DermatopathologyTaxonomy 207ZD0900X · License MD222721 (OR)

960 OLD GREEN BAY RD APT 3N, Winnetka, IL 60093

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Other Names 1

Former Name (1)Thanh Thien Ha M.d.

Secondary Practice Locations 2

Location 1966 12th St SE Ste 130Salem, OR 97302-2860 · Phone (503) 837-6395 · Fax (541) 210-8913

Location 22225 Enterprise Dr Ste 2511Westchester, IL 60154-5805 · Phone (708) 486-0076

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Thanh Thien Ha Lan M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3072827245

PECOS Enrollment IDI20150731015547

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show Thanh Lan reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Uropartners, LLC

4.2 mi

Urology

9669 N KENTON AVE, STE 608
Skokie, IL 60076

Reassigned Medicare billing, Illinois enrollment
126 clinicians in this Medicare group

NPI 1437104262 (847) 677-4111

Endeavor Health Medical Group

4.7 mi

Anesthesiology

2650 RIDGE AVE, ANESTHESIOLOGY ROOM 3905
Evanston, IL 60201

Reassigned Medicare billing, Illinois enrollment
4,841 clinicians in this Medicare group

NPI 1265695944 (847) 570-2760

Clear Choice Dermatology

1,674 mi

Dermatology

1825 E 19TH ST
The Dalles, OR 97058

Reassigned Medicare billing, Oregon enrollment
30 clinicians in this Medicare group

NPI 1891327185 (541) 316-6575

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 16

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Pathology examination of tissue using a microscope, intermediate complexity 88305

A pathology examination of tissue with intermediate complexity involves studying a small sample of your body tissue under a microscope. This helps in identifying any abnormal cells or signs of disease. It's a detailed process requiring expert analysis to ensure accurate results.

984 services448 patients

Cell examination of specimen, selective cellular enhancement technique 88112

Cell examination of a specimen using selective cellular enhancement technique is a lab process that improves the visibility of certain cells in a sample. It helps in identifying abnormalities or diseases. The process is non-invasive, safe, and aids in accurate diagnosis.

769 services757 patients

Surgical pathology, gross and microscopic examinations, for prostate needle biopsy, any method G0416

This procedure involves taking a small tissue sample from your gland located beneath your bladder. The sample is then examined under a microscope by a pathologist to check for any abnormalities or diseases. This is a standard method to ensure your well-being.

281 services268 patients

Special stained specimen slides to examine tissue, each multiplex procedure 88344

Special stained specimen slides are used to study tissue in detail. This multiplex procedure involves applying different dyes to the tissue sample on a slide to highlight specific elements. These colors help identify any abnormalities in the tissue, aiding in accurate diagnosis and treatment planning.

149 services62 patients

Special stained specimen slides to examine tissue, each additional procedure 88341

Special stained specimen slides are used to analyze tissue in detail. In this process, extra procedures may be needed for a more thorough examination. These involve applying special stains to the tissue on slides, enhancing specific elements for closer study.

133 services29 patients

Pathology examination of tissue using a microscope, intermediate complexity 88305

117 services69 patients

Pathology examination of tissue using a microscope, moderately high complexity 88307

A pathology examination of tissue with moderate complexity involves a detailed study of a small tissue sample from your body. Using a microscope, experts analyze the tissue's structure and cells to identify any abnormalities. This helps in diagnosing various health conditions accurately.

100 services57 patients

Pathology examination of tissue using a microscope, moderately low complexity 88304

A pathology examination of tissue, moderately low complexity, involves studying a small sample of your body tissue under a microscope. It helps to identify any abnormal cells or diseases. It's a routine procedure, not complex, and provides crucial insights for your diagnosis.

70 services65 patients

Special stained specimen slides to identify organisms including interpretation and report 88312

This service involves coloring specimen slides in a special way to help identify organisms. The colors make different parts of the organism stand out. Afterward, a detailed interpretation and report on the findings are provided.

59 services25 patients

Special stained specimen slides to examine tissue, initial procedure 88342

This procedure involves the use of specially stained slides to examine tissue samples. The initial process involves obtaining a small tissue sample from your body. This sample is then placed on a slide and stained with special dyes to highlight different structures and elements. The stained slide is then examined under a microscope to help diagnose any potential health issues.

54 services50 patients

Examination of archival tissue for genetic analysis 88363

Examination of archival tissue for genetic analysis involves studying previously collected tissue samples. This process helps detect any genetic alterations that may be linked to certain diseases. It's a crucial step in understanding your health and planning appropriate treatments.

52 services51 patients

Preparation of tissue for examination by removing any calcium present 88311

This procedure involves treating tissue samples to remove any calcium, which can interfere with the examination. The tissue is soaked in a special solution that safely dissolves the calcium, leaving the tissue intact for accurate analysis. This helps in making precise diagnoses.

38 services30 patients

Special stained specimen slides to examine tissue, each multiplex procedure 88344

38 services24 patients

Pathology examination of specimen during surgery, first tissue block 88331

A pathology examination during surgery involves the immediate analysis of a removed tissue sample. This helps the surgeon make decisions during your operation. The "first tissue block" refers to the initial sample examined. It's a vital step to ensure your health.

22 services19 patients

Pathology examination of tissue using a microscope, high complexity 88309

A high complexity pathology examination involves studying body tissue under a microscope to identify any abnormalities. This intricate process helps in diagnosing various conditions and deciding on the best treatment plan.

14 services14 patients

Special stained specimen slides to examine tissue including interpretation and report 88313

Special stained specimen slides are used to examine tissue samples. This involves applying special dyes to the tissue, which helps to highlight certain features under a microscope. The findings are then interpreted and a report is provided. This can aid in diagnosing various health conditions.

14 services11 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Indiana University Health

Acute Care Hospitals · Indianapolis, IN

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number150056

Location1701 N Senate BlvdIndianapolis, IN 46202 · Marion County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60093 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$138.86 typical visit price

range $60.08 – $183.39

Typical copayment $34.71 (range $15.02 – $45.84)

Most-billed visit code 99204

Established Patient

$105.70 typical visit price

range $18.97 – $148.12

Typical copayment $26.42 (range $4.74 – $37.03)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

93.08/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored through an Alternative Payment Model

Quality

80.79

Promoting Interoperability

100

Improvement Activities

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Thanh Lan's NPI number?

The NPI number for Thanh Lan is 1124310842. It was assigned to this individual provider in the NPPES registry on May 13, 2011. The provider is also known as Thanh Thien Ha M.D..

Where is Thanh Lan located?

Thanh Lan practices at 960 Old Green Bay Rd Apt 3N, Winnetka, IL 60093. The listed phone number is (224) 247-8870.

What is Thanh Lan's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.

Is Thanh Lan enrolled in Medicare?

Yes. Thanh Lan is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Thanh Lan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Thanh Lan reassigns Medicare benefits to 3 organizations: Uropartners, LLC (Skokie, IL), Endeavor Health Medical Group (Evanston, IL) and Clear Choice Dermatology (The Dalles, OR). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Thanh Lan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Thanh Lan affiliated with any hospitals?

According to CMS data, Thanh Lan is affiliated with Indiana University Health.

When was this NPI record last updated?

The NPPES record for Thanh Lan was last updated on March 18, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.