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DR. MARK D SIMMS MD
NPI 1154373918
Pediatrics - Neurodevelopmental Disabilities in Brookfield, WI

Active since May 17, 2006PECOS Enrolled
13800 W NORTH AVE, CHILD DEVELOPMENT CENTER OF CHW, BROOKFIELD, WI 53005(262) 432-6600(262) 432-6604 Get Directions Write a Review

NPPES record last updated: October 10, 2014. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Mark D Simms Md NPPES

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

DR. MARK D SIMMS MD (NPI 1154373918) is an individual neurodevelopmental disabilities provider in Brookfield, Wisconsin, licensed in Wisconsin (35801) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1154373918
Entity TypeIndividualMale
Primary Taxonomy2080P0008X
Provider Legal NameDR. MARK D SIMMSCredential: MD
Location Address13800 W NORTH AVE, CHILD DEVELOPMENT CENTER OF CHWBrookfield, WI 53005-4977
Mailing Address13800 W North Ave, Child Development Center Of ChwBrookfield, WI 53005-4977 · (262) 432-6600 · Fax (262) 432-6604
Phone(262) 432-6600
Fax(262) 432-6604
Sole ProprietorNo
Enumeration DateMay 17, 2006
Last NPPES UpdateOctober 10, 2014
✔ NPI 1154373918 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Neurodevelopmental DisabilitiesAllopathic & Osteopathic Physicians
Taxonomy Code2080P0008X
License✔ Licensed in WI · 35801
Definition
A pediatrician who specializes in the treatment of individuals with developmental delays and learning disorders associated with cerebral palsy, spina bifida, autism, and other chronic neurologic conditions.
13800 W NORTH AVE, Brookfield, WI 53005
Open in Google Maps ↗

Other Identifiers 6

Medicare PIN602550089WI
Medicaid1154373918WI
Medicare UPINE47485
Medicare PIN736012015WI
Other002000135ZHumana
Medicare PIN680860760WI

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Mark D Simms 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.

Medicare Billing Reassignment

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

The Medical College Of Wisconsin, Inc.
3.4 mi
Internal Medicine
8701 WATERTOWN PLANK RD
Milwaukee, WI 53226
  • Reassigned Medicare billing, Wisconsin enrollment
  • 3,983 clinicians in this Medicare group
NPI 1699720086 (414) 955-7101

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

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.

AMY L MACK SINDELAR SLP
Speech-Language Pathologist
13800 W NORTH AVE, CHILD DEVELOPMENT CENTER
BROOKFIELD, WI 53005
Waukesha County (262) 432-6600
RYAN SACOTTE
Dermatology
13800 W NORTH AVE
BROOKFIELD, WI 53005
Waukesha County (262) 754-4488
JAMES PATRICK RUSSELL MD
Dermatology
13800 W NORTH AVE, STE 100
BROOKFIELD, WI 53005
Waukesha County (262) 754-4488
JANE J MCSWEENEY ARNP
Nurse Practitioner (Pediatrics)
13800 W NORTH AVE, CHILD DEVELOPMENT CENTER OF CHW
BROOKFIELD, WI 53005
Waukesha County (262) 432-6600
MS. DAWN M ZAHRT PHD
Psychologist (Clinical Child & Adolescent)
13800 W NORTH AVE, CHILD DEVELOPMENT CENTER OF CHW
BROOKFIELD, WI 53005
Waukesha County (262) 432-6600
SAMANTHA L. WILSON PH.D.
Psychologist
13800 W NORTH AVE, CHILD DEVELOPMENT CENTER
BROOKFIELD, WI 53005
Waukesha County (262) 432-6600
MR. ROBERT L SCHUM PHD
Psychologist (Clinical Child & Adolescent)
13800 W NORTH AVE, CHILD DEVELOPMENT CENTER OF CHW
BROOKFIELD, WI 53005
Waukesha County (262) 432-6626
AFFILIATED DERMATOLOGISTS SC
Dermatology
13800 W NORTH AVE, SUITE 100
BROOKFIELD, WI 53005
Waukesha County (262) 754-4488

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 Simms's NPI number?

The NPI number for Mark Simms is 1154373918. It was assigned to this individual provider in the NPPES registry on May 17, 2006.

Where is Mark Simms located?

Mark Simms practices at 13800 W North Ave Child Development Center Of Chw, Brookfield, WI 53005. The listed phone number is (262) 432-6600.

What is Mark Simms's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Neurodevelopmental Disabilities, with taxonomy code 2080P0008X.

Is Mark Simms enrolled in Medicare?

Yes. Mark Simms is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Mark Simms's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mark Simms reassigns Medicare benefits to The Medical College Of Wisconsin, Inc. (Milwaukee, 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 Simms's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Mark Simms was last updated on October 10, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.