MR. DENNIS YK WEN MD
NPI 1689662066
Neurological Surgery in Elgin, IL

Active since October 11, 2005PECOS Enrolled
87 N AIRLITE ST STE 220, ELGIN, IL 60123(847) 695-6611(847) 695-8069 Get Directions Write a Review

NPPES record last updated: May 29, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: May 29, 2025, Dec 17, 2021, Apr 4, 2019 (3 updates tracked since 2019).

About Mr. Dennis Yk Wen Md NPPES

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

MR. DENNIS YK WEN MD (NPI 1689662066) is an individual neurological surgery provider in Elgin, Illinois, licensed in Illinois (036-095129) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1689662066
Entity TypeIndividualMale
Primary Taxonomy207T00000X
Provider Legal NameMR. DENNIS YK WENCredential: MD
Location Address87 N AIRLITE ST STE 220Elgin, IL 60123-4995
Mailing Address5 Marmon LnBarrington, IL 60010-4025 · (847) 710-8860 · Fax (682) 316-8126
Fax(847) 695-8069
Sole ProprietorYes
Enumeration DateOctober 11, 2005
Last NPPES UpdateMay 29, 20253 updates tracked since enumeration
NPPES CertifiedMay 29, 2025
NPI 1689662066 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNeurological SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207T00000X
License Licensed in IL · 036-095129
Definition
A neurological surgeon provides the operative and non-operative management (i.e., prevention, diagnosis, evaluation, treatment, critical care, and rehabilitation) of disorders of the central, peripheral, and autonomic nervous systems, including their supporting structures and vascular supply; the evaluation and treatment of pathological processes which modify function or activity of the nervous system; and the operative and non-operative management of pain. A neurological surgeon treats patients with disorders of the nervous system; disorders of the brain, meninges, skull, and their blood supply, including the extracranial carotid and vertebral arteries; disorders of the pituitary gland; disorders of the spinal cord, meninges, and vertebral column, including those which may require treatment by spinal fusion or instrumentation; and disorders of the cranial and spinal nerves throughout their distribution.
87 N AIRLITE ST STE 220, Elgin, IL 60123

Other Identifiers 2

Medicaid036095129IL
Other21602371IL · Bcbs

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Mr. Dennis Yk Wen Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60123 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
$137.43 typical visit price
range $59.81 – $181.38
Typical copayment $34.35 (range $14.95 – $45.34)
Most-billed visit code 99204
Established Patient
$74.38 typical visit price
range $19.15 – $147.12
Typical copayment $18.59 (range $4.78 – $36.78)
Most-billed visit code 99213
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

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

Neurological Surgery
87 N AIRLITE ST STE 220
ELGIN, IL 60123

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 Dennis Wen's NPI number?

The NPI number for Dennis Wen is 1689662066. It was assigned to this individual provider in the NPPES registry on October 11, 2005.

Where is Dennis Wen located?

Dennis Wen practices at 87 N Airlite St Ste 220, Elgin, IL 60123. The listed phone number is (847) 695-6611.

What is Dennis Wen's specialty?

The primary specialty registered for this NPI is Neurological Surgery with taxonomy code 207T00000X.

Is Dennis Wen enrolled in Medicare?

Yes. Dennis Wen is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Dennis Wen was last updated on May 29, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.