MARC GUNDERSON MD
NPI 1194067561
Psychiatry & Neurology - Psychiatry in Milwaukee, WI

Active since March 22, 2013PECOS EnrolledAccepts Medicare Assignment
1155 N MAYFAIR RD, MILWAUKEE, WI 53226(414) 955-5990(414) 955-6282 Get Directions Write a Review

NPPES record last updated: June 16, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Marc Gunderson Md NPPES

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

MARC GUNDERSON MD (NPI 1194067561) is an individual psychiatry provider in Milwaukee, Wisconsin, licensed in Wisconsin (62813-20) and active in the NPI registry since March 2013. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Medical College Of Wisconsin (2013).

NPPES Registry Identity

NPI1194067561
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameMARC GUNDERSONCredential: MD
Location Address1155 N MAYFAIR RDMilwaukee, WI 53226-3462
Mailing Address1155 N Mayfair RdMilwaukee, WI 53226-3462 · (414) 955-5990 · Fax (414) 955-6282
Fax(414) 955-6282
Sole ProprietorNo
Medical School CMSMedical College Of WisconsinGraduated 2013
Enumeration DateMarch 22, 2013
Last NPPES UpdateJune 16, 2020
NPPES CertifiedJune 16, 2020
✔ NPI 1194067561 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
Licenses✔ Licensed in WI · 62813-20✔ Licensed in MO · 2017014153
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
1155 N MAYFAIR RD, Milwaukee, WI 53226

Secondary Practice Locations 2

Location 11129 Macklind AveSaint Louis, MO 63110-1440 · Phone (314) 534-0200
Location 2W129N7055 Northfield DrMenomonee Falls, WI 53051-0538 · Phone (262) 253-5400 · Fax (262) 253-3399

Other Identifiers 1

Medicaid1194067561WI

Accepted 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

Marc Gunderson Md 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 ID2769709252
PECOS Enrollment IDI20150320002019
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

2

Medicare enrollment records show Marc Gunderson reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Internal Medicine
8701 WATERTOWN PLANK RD
Milwaukee, WI 53226
  • Reassigned Medicare billing, Wisconsin enrollment
  • 3,983 clinicians in this Medicare group
Internal Medicine
W180N8000 TOWN HALL RD
Menomonee Falls, WI 53051
  • Reassigned Medicare billing, Wisconsin enrollment
  • 2,294 clinicians in this Medicare group

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

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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
69 services17 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 53226 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
$163.24 typical visit price
range $53.90 – $163.24
Typical copayment $40.81 (range $13.47 – $40.81)
Most-billed visit code 99205
Established Patient
$67.37 typical visit price
range $17.40 – $133.76
Typical copayment $16.84 (range $4.35 – $33.44)
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 20

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

Pharmacist (Psychiatric)
1155 N MAYFAIR RD
MILWAUKEE, WI 53226
Family Medicine
1155 N MAYFAIR RD, PLANK ROAD CLINIC
MILWAUKEE, WI 53226
Physical Therapy Assistant
1155 N MAYFAIR RD
MILWAUKEE, WI 53226
Family Medicine
1155 N MAYFAIR RD, PLANK ROAD CLINIC
MILWAUKEE, WI 53226
Neurological Surgery
1155 N MAYFAIR RD, SPINE CARE CLINIC AT PLANK ROAD
MILWAUKEE, WI 53226
Physical Medicine & Rehabilitation
1155 N MAYFAIR RD, SPINE CARE CLINIC AT PLANK ROAD
MILWAUKEE, WI 53226
Psychologist (Clinical)
1155 N MAYFAIR RD, THIRD FLOOR
MILWAUKEE, WI 53226
Psychiatry & Neurology (Psychiatry)
1155 N MAYFAIR RD, DEPARTMENT OF PSYCHIATRY
MILWAUKEE, WI 53226

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 Marc Gunderson's NPI number?

The NPI number for Marc Gunderson is 1194067561. It was assigned to this individual provider in the NPPES registry on March 22, 2013.

Where is Marc Gunderson located?

Marc Gunderson practices at 1155 N Mayfair Rd, Milwaukee, WI 53226. The listed phone number is (414) 955-5990.

What is Marc Gunderson's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Marc Gunderson enrolled in Medicare?

Yes. Marc Gunderson 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 Marc Gunderson's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Marc Gunderson reassigns Medicare benefits to 2 organizations: The Medical College Of Wisconsin, Inc. (Milwaukee, WI) and Froedtert & the Medical College Of Wisconsin Community Physicians, Inc. (Menomonee Falls, WI). 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 Marc Gunderson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Marc Gunderson accept?

Health plans from Anthem Blue Cross and Blue Shield, Aspirus Health Plan, HealthPartners and Network Health list Marc Gunderson 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.

When was this NPI record last updated?

The NPPES record for Marc Gunderson was last updated on June 16, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.