Doctor profile · Federal record

Dr. Marissa Oberstadt, DPM

Foot & Ankle Surgery Podiatrist (CMS: Podiatry) · Brookfield, WI

  • NPI 1124512199
  • Accepts Medicare
  • MIPS 75.0 / 100 · 2023
  • 8 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
200 S Executive Dr Ste 101
Brookfield, WI 530054216
(888) 964-6681
fax (888) 662-0859
Mailing address
209 Oak Knoll CT
Hortonville, WI 549449386

Credentials & registration

NPPES · NUCC
NPI registered
June 2018 — 8 yrs on file
Profile last updated
January 12, 2023
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
213ES0103X — NUCC code
State license (1)
Wisconsin #1186-25

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1124512199. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
3,710
Distinct HCPCS
8
Medicare allowed
$139,200
HCPCS Description Services Patients Avg allowed
11721 Removal of fingernails or toenails, 6 or more nails 1,215 514 $42
G0127 Trimming of dystrophic nails, any number 972 391 $20
11720 Removal of fingernails or toenails, 1-5 nails 807 332 $31
11055 Removal of noncancer thickened skin growth, 1 growth 255 168 $68
11056 Removal of noncancer thickened skin growth, 2-4 growths 184 92 $78
99307 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 10 minutes 148 148 $37
99341 Residence visit for new patient with straightforward medical decision making, per day, if using time, at least 15 minutes 113 113 $47
99202 New patient office or other outpatient visit, 15-29 minutes 16 16 $68

In context: peer comparison

Among 1 peers in Brookfield Foot & Ankle Surgery Podiatrist, average services per provider: 463. This provider delivers 8.0× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Marissa Oberstadt's medical specialty?
Dr. Marissa Oberstadt practices Foot & Ankle Surgery Podiatrist in Brookfield, WI.
Where does Dr. Marissa Oberstadt practice?
Dr. Marissa Oberstadt practices at 200 S Executive Dr Ste 101, Brookfield, WI 530054216. Office phone: 8889646681.
What is Dr. Marissa Oberstadt's NPI?
Dr. Marissa Oberstadt's National Provider Identifier (NPI) is 1124512199, issued by NPPES.
Does Dr. Marissa Oberstadt accept Medicare assignment?
Yes. Dr. Marissa Oberstadt accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Marissa Oberstadt commonly perform?
Top Medicare-reported procedures in 2023: Removal of fingernails or toenails, 6 or more nails (HCPCS 11721); Trimming of dystrophic nails, any number (HCPCS G0127); Removal of fingernails or toenails, 1-5 nails (HCPCS 11720). Source: CMS Medicare Physician & Other Practitioners file.