Doctor profile · Federal record

Dr. Sandra Wischmeyer

Surgery Physician (CMS: General Surgery) · Michigan City, IN

  • NPI 1902179088
  • Accepts Medicare
  • 14 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1507 Wabash St Ste 400D
Michigan City, IN 463604361
(219) 861-8828
fax (219) 868-8827
Additional location
2202 LaPorte Ave Ste C
Valparaiso, IN 463835936
(219) 947-1910
Mailing address
7895 Grand Blvd
Hobart, IN 463426665

Credentials & registration

NPPES · NUCC
NPI registered
February 2012 — 14 yrs on file
Profile last updated
October 31, 2018
Year of graduation
2012 — 14 yrs since
Specialty taxonomy
208600000X — NUCC code
State license (1)
Indiana #02005417A

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1902179088. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
256
Distinct HCPCS
4
Medicare allowed
$15,161
HCPCS Description Services Patients Avg allowed
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 132 52 $46
99221 Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 59 57 $77
99212 Established patient office or other outpatient visit, 10-19 minutes 43 27 $52
99203 New patient office or other outpatient visit, 30-44 minutes 22 22 $104

In context: peer comparison

Among 6 peers in this city , average services per provider: 37. This provider delivers 6.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$12,930
Transactions
17
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
INTUITIVE SURGICAL, INC. 10 $12,658.08
Olympus America Inc. 3 $148.07
Mozarc Medical US LLC 2 $79.73
ConvaTec Inc. 1 $22.20
Medtronic, Inc. 1 $21.98

By nature of payment

Education
$12,000
Food and Beverage
$761
Travel and Lodging
$169

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
102
Patients
60
Total drug cost
$1,095
Drug Type Claims Patients Total cost
Pantoprazole Sodium Generic 50 14 $835
Oxycodone Hcl Generic 34 32 $91
Ondansetron Odt (Ondansetron) Brand 18 14 $169

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Sandra Wischmeyer's medical specialty?
Dr. Sandra Wischmeyer practices Surgery Physician in Michigan City, IN.
Where does Dr. Sandra Wischmeyer practice?
Dr. Sandra Wischmeyer practices at 1507 Wabash St Ste 400D, Michigan City, IN 463604361. Office phone: 2198618828.
What is Dr. Sandra Wischmeyer's NPI?
Dr. Sandra Wischmeyer's National Provider Identifier (NPI) is 1902179088, issued by NPPES.
Does Dr. Sandra Wischmeyer accept Medicare assignment?
Yes. Dr. Sandra Wischmeyer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Sandra Wischmeyer commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231); Initial hospital care with straightforward or low level of medical decision making (HCPCS 99221); Established patient office or other outpatient visit (HCPCS 99212). Source: CMS Medicare Physician & Other Practitioners file.