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DR. MARK D WILCOX M.D.
NPI 1669456687
Anesthesiology in West Allis, WI

Active since December 02, 2005PECOS EnrolledAccepts Medicare Assignment
8901 W LINCOLN AVE, WEST ALLIS, WI 53227(414) 328-6000 Get Directions Write a Review

NPPES record last updated: July 26, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jul 26, 2024, Nov 23, 2021, Jan 3, 2017 (3 updates tracked since 2017).

About Dr. Mark D Wilcox M.d. NPPES

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

DR. MARK D WILCOX M.D. (NPI 1669456687) is an individual anesthesiology provider in West Allis, Wisconsin, licensed in Wisconsin (33778-020) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS, is affiliated with Aurora Medical Center - Summit, and is a graduate of Medical College Of Wisconsin (1989).

NPPES Registry Identity

NPI1669456687
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameDR. MARK D WILCOXCredential: M.D.
Location Address8901 W LINCOLN AVEWest Allis, WI 53227-2409
Mailing AddressPo Box 735044Chicago, IL 60673-5044 · (800) 326-2250
Phone(414) 328-6000
Sole ProprietorNo
Medical School CMSMedical College Of WisconsinGraduated 1989
Enumeration DateDecember 2, 2005
Last NPPES UpdateJuly 26, 20243 updates tracked since enumeration
NPPES CertifiedJuly 26, 2024
✔ NPI 1669456687 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in WI · 33778-020
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
8901 W LINCOLN AVE, West Allis, WI 53227
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Other Identifiers 2

Other050033634Rail Road Medicare
Medicaid31937600WI

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include CareSource (Common Ground Healthcare).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

Dr. Mark D Wilcox 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 ID1850372871
PECOS Enrollment IDI20050914001086
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 Mark Wilcox reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Aurora Medical Group, Inc.
Same address
Obstetrics & Gynecology
8905 W LINCOLN AVE, SUITE 515
West Allis, WI 53227
  • Reassigned Medicare billing, Wisconsin enrollment
  • 4,609 clinicians in this Medicare group
NPI 1457592735 (414) 328-8650

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 3

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.

Anesthesia for other procedure on large bowel using an endoscope 00811
Anesthesia for an endoscopic procedure on the large bowel ensures comfort and relaxation during the procedure. You'll be given medication to make you drowsy or asleep, eliminating any discomfort. The medication can be administered through a vein or inhaled.
27 services27 patients
Anesthesia for lens surgery 00142
Anesthesia for lens surgery involves administering medication to numb the eye area, ensuring you feel no pain during the procedure. This can be a local anesthetic (numbing only the eye area) or general (where you're asleep). It helps make the surgery comfortable and stress-free.
15 services15 patients
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 00731
This procedure involves the use of an endoscope, a flexible tube with a light and camera, to examine your esophagus, stomach, or upper small bowel. Anesthesia ensures you are comfortable and pain-free during the procedure.
11 services11 patients

Hospital Affiliations CMS Care Compare

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

Aurora Medical Center - Summit

Acute Care Hospitals · Summit, WI
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520206
Location36500 Aurora DriveSummit, WI 53066 · Waukesha County
Emergency services Birthing friendly

Other Providers at the Same Location NPPES 20

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

DR. SHANON RENEE LACY D.O.
Pathology (Anatomic Pathology & Clinical Pathology)
8901 W LINCOLN AVE
WEST ALLIS, WI 53227
Milwaukee County (414) 328-7675
SUSAN PEI
Dermatology
8901 W LINCOLN AVE
WEST ALLIS, WI 53227
Milwaukee County (414) 328-7950
DR. WEN ZHONG M.D.
Pathology (Anatomic Pathology & Clinical Pathology)
8901 W LINCOLN AVE
WEST ALLIS, WI 53227
Milwaukee County (414) 328-7984
AIDA SHANTI MD
Obstetrics & Gynecology (Reproductive Endocrinology)
8901 W LINCOLN AVE
WEST ALLIS, WI 53227
Milwaukee County (414) 329-4300
VISITING NURSE ASSOCIATION OF WISCONSIN, INC.
Durable Medical Equipment & Medical Supplies
8901 W LINCOLN AVE
WEST ALLIS, WI 53227
Milwaukee County (414) 329-5690
DR. RUCHIT D SHAH M.D.
Hospitalist
8901 W LINCOLN AVE
WEST ALLIS, WI 53227
Milwaukee County (414) 328-7146
TARANPREET KAUR
Nurse Practitioner (Family)
8901 W LINCOLN AVE
WEST ALLIS, WI 53227
Milwaukee County (414) 328-6000
ELIZABETH W CIURLIK MD
Pediatrics
8901 W LINCOLN AVE
WEST ALLIS, WI 53227
Milwaukee County (414) 328-6000

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 Mark Wilcox's NPI number?

The NPI number for Mark Wilcox is 1669456687. It was assigned to this individual provider in the NPPES registry on December 2, 2005.

Where is Mark Wilcox located?

Mark Wilcox practices at 8901 W Lincoln Ave, West Allis, WI 53227. The listed phone number is (414) 328-6000.

What is Mark Wilcox's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Mark Wilcox enrolled in Medicare?

Yes. Mark Wilcox 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 Mark Wilcox's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mark Wilcox reassigns Medicare benefits to Aurora Medical Group, Inc. (West Allis, WI). 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 Mark Wilcox's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mark Wilcox accept?

Health plans from CareSource (Common Ground Healthcare) list Mark Wilcox 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 Mark Wilcox affiliated with any hospitals?

According to CMS data, Mark Wilcox is affiliated with Aurora Medical Center - Summit.

When was this NPI record last updated?

The NPPES record for Mark Wilcox was last updated on July 26, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years 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.