WILLIAM E. WILKENS M.D.
NPI 1407848872
Pathology - Anatomic Pathology & Clinical Pathology in Park Ridge, IL

Q: What is William Wilkens's NPI number?

The NPI number for William Wilkens is 1407848872. It was assigned to this individual provider in the NPPES registry on August 22, 2005.

Q: What is William Wilkens'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 William Wilkens was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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 August 22, 2005PECOS EnrolledAccepts Medicare Assignment

1775 DEMPSTER STREET, C/O PATHOLOGY DEPARTMENT, PARK RIDGE, IL 60068(847) 723-2210 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About William E. Wilkens M.d. NPPES

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

WILLIAM E. WILKENS M.D. (NPI 1407848872) is an individual anatomic pathology & clinical pathology provider in Park Ridge, Illinois and active in the NPI registry since August 2005. He is enrolled in Medicare PECOS, is affiliated with Advocate Trinity Hospital, and is a graduate of Loyola University Of Chicago, Stritch School Of Medicine (1987).

NPPES Registry Identity

NPI1407848872

Entity TypeIndividualMale

Primary Taxonomy207ZP0102X

Provider Legal NameWILLIAM E. WILKENSCredential: M.D.

Location Address1775 DEMPSTER STREET, C/O PATHOLOGY DEPARTMENTPark Ridge, IL 60068

Mailing Address520 E 22nd StLombard, IL 60148-6110 · (630) 874-2542 · Fax (630) 874-2642

Phone(847) 723-2210

Sole ProprietorNo

Medical School CMSLoyola University Of Chicago, Stritch School Of MedicineGraduated 1987

Enumeration DateAugust 22, 2005

Last NPPES UpdateJuly 13, 2026

✔ NPI 1407848872 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

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

Taxonomy Code207ZP0102X

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.

1775 DEMPSTER STREET, Park Ridge, IL 60068

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Ambetter Health of Delaware.Insurance ›

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

William E. Wilkens 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 ID7517984057

PECOS Enrollment IDI20100628000325

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 Reassignment

Medicare enrollment records show William Wilkens reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Midwest Diagnostic Pathology Sc

Same address

Anatomic Pathology & Clinical Pathology

1775 DEMPSTER ST
Park Ridge, IL 60068

Reassigned Medicare billing, Illinois enrollment
Medicare enrollment name: Midwest Diagnostic Pathology, S.C.
54 clinicians in this Medicare group

NPI 1982606380 (847) 349-7344

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 18

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.

1,441 services725 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.

186 services138 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.

155 services120 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.

132 services120 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.

120 services45 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.

98 services75 patients

Microscopic genetic analysis of tumor, manual 88360

Microscopic genetic analysis of a tumor involves examining your tumor's genes under a microscope. This helps identify specific genetic changes in the tumor cells. This information can aid in diagnosing, predicting disease progression, and determining the most effective treatment options.

91 services28 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.

80 services73 patients

Antibody evaluation, initial single antibody stain procedure 88346

An antibody evaluation, initial single antibody stain procedure is a laboratory test. It's designed to identify specific proteins, or antibodies, in your body. This can help diagnose certain conditions or monitor your immune system's response to treatments. The procedure involves staining a single type of antibody for detection.

55 services31 patients

Antibody evaluation, each additional single antibody stain procedure 88350

An antibody evaluation involves testing a sample of your body fluid (like blood) to identify specific antibodies. Each additional single antibody stain procedure is a separate test for another specific antibody. This helps in diagnosing various health conditions by understanding your body's immune response.

55 services31 patients

Evaluation of fine needle aspirate with interpretation and report 88173

This procedure involves using a thin needle to collect a small sample from an abnormal area or lump. The sample is then examined under a microscope to identify any potential issues. A report of the findings is provided for further analysis.

44 services33 patients

Pathology examination of tissue using a microscope, limited examination 88300

A pathology examination of tissue using a microscope is a procedure where a small sample of your tissue is observed under a microscope. This limited examination helps identify any abnormal cells or signs of disease, aiding in accurate diagnosis and treatment planning.

44 services41 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.

30 services20 patients

Pathology cytologic examination of specimen during surgery, initial site 88333

A pathology cytologic examination during surgery involves taking a small sample of cells from the initial site of concern. This sample is then examined under a microscope by a pathologist to check for any abnormal or disease-causing cells. This helps guide the ongoing surgical procedure.

21 services21 patients

Evaluation of fine needle aspirate 88172

Evaluation of fine needle aspirate is a diagnostic procedure where a thin needle is used to collect cells from a lump or mass. This sample is then examined under a microscope to determine the nature of the lump, whether it's benign (non-cancerous) or malignant (cancerous).

19 services15 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.

15 services15 patients

Pathology examination of tissue using a microscope 88302

A pathology examination of tissue involves studying a small sample of your body's cells under a microscope. This helps identify any abnormalities or diseases, such as cancer. The process is crucial for accurate diagnosis and treatment planning.

13 services13 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.

13 services13 patients

Hospital Affiliations CMS Care Compare 3

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

Advocate Trinity Hospital

Acute Care Hospitals · Chicago, IL

2/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number140048

Location2320 E 93rd StChicago, IL 60617 · Cook County

Emergency services Birthing friendly

Advocate Christ Hospital & Medical Center

Acute Care Hospitals · Oak Lawn, IL

2/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number140208

Location4440 W 95th StreetOak Lawn, IL 60453 · Cook County

Emergency services Birthing friendly

Advocate Good Samaritan Hospital

Acute Care Hospitals · Downers Grove, IL

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140288

Location3815 Highland AvenueDowners Grove, IL 60515 · Du Page County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60068 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.

Other Providers at the Same Location NPPES 7

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DEBORAH JEAN KANTORIS APN

Clinical Nurse Specialist (Acute Care)

1775 DEMPSTER STREET
PARK RIDGE, IL 60068

Cook County (847) 723-8308

JACOB LARSEN WHITE DO

Surgery

1775 DEMPSTER STREET, MAILBOX #48
PARK RIDGE, IL 60068

Cook County (847) 723-2210

ADVOCATE HEALTH AND HOSPITALS CORPORATION

General Acute Care Hospital

1775 DEMPSTER STREET
PARK RIDGE, IL 60068

Cook County (847) 723-2210

BRADLEY SCOTT STRIMLING MD

Radiology (Diagnostic Radiology)

1775 DEMPSTER STREET, RADIOLOGY DEPARTMENT
PARK RIDGE, IL 60068

Cook County (847) 803-1000

MS. JEAN M MAU ADVANCED PRACTICE NU

Clinical Nurse Specialist (Adult Health)

1775 DEMPSTER STREET
PARK RIDGE, IL 60068

Cook County (847) 723-7385

C. MICHAEL WELDON-LINNE M.D.

Pathology (Anatomic Pathology & Clinical Pathology)

1775 DEMPSTER STREET, C/O PATHOLOGY DEPARTMENT
PARK RIDGE, IL 60068

Cook County (847) 723-2210

DR. JADWIGA A. LOJ M. D.

Hospitalist

1775 DEMPSTER STREET
PARK RIDGE, IL 60068

Cook County (847) 723-6975

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 William Wilkens's NPI number?

The NPI number for William Wilkens is 1407848872. It was assigned to this individual provider in the NPPES registry on August 22, 2005.

Where is William Wilkens located?

William Wilkens practices at 1775 Dempster Street C/O Pathology Department, Park Ridge, IL 60068. The listed phone number is (847) 723-2210.

What is William Wilkens's specialty?

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

Is William Wilkens enrolled in Medicare?

Yes. William Wilkens 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 organization bills Medicare for William Wilkens's services?

According to the CMS Revalidation Reassignment List (October 2026 release), William Wilkens reassigns Medicare benefits to Midwest Diagnostic Pathology Sc (Park Ridge, IL). The 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 William Wilkens's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does William Wilkens accept?

Health plans from Ambetter Health and Ambetter Health of Delaware list William Wilkens as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is William Wilkens affiliated with any hospitals?

According to CMS data, William Wilkens is affiliated with Advocate Trinity Hospital, Advocate Christ Hospital & Medical Center and Advocate Good Samaritan Hospital.

When was this NPI record last updated?

The NPPES record for William Wilkens was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.