Sandra Mary Wischmeyer

  • Michigan City, IN
  • General surgeon
NPI1902179088PAC ID2860787017
Medicare services, 2024
234
Medicare patients, 2024
139
Part D claims, 2024
207
Hospital affiliations
1
Industry payments
$46,058
Practice address
3500 Franciscan Way, Michigan City, IN 46360
Practice phone
Call (219) 879-8511
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Franciscan Health Michigan City

Hospital · Michigan City, Indiana

See all 6 affiliations

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Sandra Mary Wischmeyer is a general surgeon in Michigan City, Indiana

Sandra Wischmeyer practices at Franciscan Health Michigan City in Michigan City, Indiana, part of Franciscan Alliance.

Sandra Wischmeyer's NPI, 1902179088, was assigned on February 20, 2012. Sandra Wischmeyer graduated from Midwestern University, Chicago College of Osteopathic Med in 2012. Sandra Wischmeyer holds Indiana license 02005417A.

NPI and contact details
Medicare PAC ID
2860787017
NPI enumeration date
February 20, 2012
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(219) 879-8511
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Female
Estimated age
40
Medical school graduation
2012

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Sandra Mary Wischmeyer practices at Franciscan Health Michigan City in Michigan City, Indiana

Sandra Wischmeyer's primary practice is Franciscan Health Michigan City, at 3500 Franciscan Way, Michigan City, IN 46360 in La Porte County. The practice phone is (219) 879-8511.

Source: Dmand AI Affiliation Data

Sandra Mary Wischmeyer is affiliated with 3 sites of care and 3 medical groups

Sandra Wischmeyer's primary practice is Franciscan Health Michigan City in Michigan City, Indiana, part of Franciscan Alliance. The medical group on file is Indiana Surgical Associates. Dmand AI also links Sandra Wischmeyer to 2 more group practices and clinics and 2 medical groups, each named with a free account.

See all 6 affiliations for Sandra Wischmeyer

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Sandra Mary Wischmeyer's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Sandra Wischmeyer practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Franciscan Health Michigan CityAvailable with a free account
+2 more sites and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Sandra Mary Wischmeyer is one of 530 general surgeons in Indiana

Surgery is Sandra Wischmeyer's primary specialty in the NPI Registry, under taxonomy code 208600000X. Sandra Wischmeyer is licensed in Indiana.

Specialties and state licenses

  • Surgery, IndianaPrimaryLicense 02005417A · taxonomy 208600000X

General surgeons near Sandra Wischmeyer

Counts of general surgeons with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Sandra Mary Wischmeyer billed Medicare for 234 services in 2024

CMS data shows 234 Medicare services from Sandra Wischmeyer across 7 procedure codes in 2024, for 139 Medicare patients. Medicare paid $13,083 for them.

Medicare services, 2024234
Medicare patients139
Paid by Medicare$13,083
Procedure codes7

Sandra Wischmeyer's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 2562024: 2349%

Where Sandra Wischmeyer's Medicare services took place, 2024

  • In an office7532%
  • In a facility15968%

Sandra Wischmeyer compared with the Indiana median for general surgeons, 2024

  • Sandra Wischmeyer
  • Indiana median
Medicare services
234vs 15650% above
Medicare patients
139vs 1316% above
Part D claims
135vs 403.4 times

Medians across 526 general surgeons in Indiana with Dmand AI profiles that report each measure.

Sandra Wischmeyer's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Sandra Wischmeyer

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Sandra Mary Wischmeyer treated 139 Medicare patients in 2024, average age 71

CMS counts 139 Medicare patients who saw Sandra Wischmeyer in 2024. The largest group is 65 to 74, with 59 patients. 75% of them have high blood pressure, and 73% have high cholesterol. 27% are also on Medicaid. Their average risk score is 2.04, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Sandra Wischmeyer's median patient age at 67, with 60% women.

Medicare patients, 2024139
Average age71
Average risk score2.04
Also on Medicaid27%

Sandra Wischmeyer's Medicare patients by age, 2024

Sandra Wischmeyer's Medicare patients by sex, 2024

  • Women8158%
  • Men5842%

Chronic conditions among Sandra Wischmeyer's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol73%
  3. Arthritis52%
  4. Chronic kidney disease45%
  5. Mood disorders42%
  6. Depression40%
  7. Anxiety37%
  8. Diabetes37%

Share of Medicare patients with each condition. A patient can have several.

Sandra Wischmeyer's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 67

Patient panel by sex, all payers

  • Women60%
  • Men40%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Sandra Mary Wischmeyer wrote 207 Medicare Part D claims in 2024

In 2024, Sandra Wischmeyer wrote 207 Medicare Part D claims for 77 patients. 95% of them were for generic drugs. CMS names the drug for 135 of them, across 4 drugs with 11 or more claims each, at $2,632 in total drug cost. In 2023, CMS named 102 claims across 3 drugs.

Part D claims, 2024207
Drugs named by CMS4
Total drug cost$2,632
Part D patients77

Sandra Wischmeyer's Part D claims by kind of drug, 2024

  • Generic197 claims95%
  • Brand-name and other10 claims5%

Sandra Wischmeyer's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Sandra Wischmeyer's Part D claims, 2024

  • Opioids25%51 of 207 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 1022024: 13532%

Drugs named by CMS: 4 in 2024, 3 in 2023.

See all prescribing by Sandra Wischmeyer

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

How Sandra Mary Wischmeyer takes part in Medicare

Sandra Wischmeyer accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Colonoscopy: 1 to 10 procedures (CMS shows small counts as a range)

Hernia repair (minimally invasive): 1 to 10 procedures (CMS shows small counts as a range)

Hernia repair - groin (open): 1 to 10 procedures (CMS shows small counts as a range)

Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)

Upper gastrointestinal (GI) endoscopy for acid reflux: 1 to 10 procedures (CMS shows small counts as a range)

Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)

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Sandra Mary Wischmeyer received $46,058 in industry payments from 2016 to 2025

CMS Open Payments shows 114 general payments to Sandra Wischmeyer from 17 drug and device companies from 2016 to 2025. Education make up the largest share, 78% of the total. Intuitive Surgical, Inc. paid the most, $42,527.

General payments to Sandra Wischmeyer by program year, 2016 to 2025

General payments to Sandra Wischmeyer by kind, 2016 to 2025

$46.1Kin total
  • Education$36,00078%
  • Travel and lodging$6,69915%
  • Food and beverage$3,3427%
  • Gifts$160%

Companies that paid Sandra Wischmeyer the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Sandra Wischmeyer

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sandra Mary Wischmeyer graduated from Midwestern University, Chicago College of Osteopathic Med

Sandra Wischmeyer graduated from Midwestern University, Chicago College of Osteopathic Med in 2012.

  1. Medical schoolMidwestern University, Chicago College of Osteopathic Med

Source: Dmand AI Professional Profile Data

Sources for Sandra Mary Wischmeyer's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Sandra Mary Wischmeyer

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Sandra Mary Wischmeyer's NPI number?

Sandra Mary Wischmeyer's NPI number is 1902179088. It was assigned on February 20, 2012, and it is active in the NPI Registry.

What does Sandra Mary Wischmeyer specialize in?

Sandra Mary Wischmeyer is a general surgeon in Michigan City, Indiana. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).

Where does Sandra Mary Wischmeyer practice?

Sandra Wischmeyer practices at 3500 Franciscan Way, Michigan City, IN 46360. Sandra Wischmeyer's primary practice is Franciscan Health Michigan City in Michigan City, Indiana, part of Franciscan Alliance. Dmand AI also links Sandra Wischmeyer to 2 group practices and clinics and 2 medical groups.

What is Sandra Mary Wischmeyer's office phone number?

The practice phone on file for Sandra Wischmeyer is (219) 879-8511.

What is Sandra Mary Wischmeyer's medical license number?

Sandra Wischmeyer holds Indiana license 02005417A.

Which hospitals is Sandra Mary Wischmeyer affiliated with?

Sandra Wischmeyer practices at Franciscan Health Michigan City in Michigan City, Indiana.

What medical group is Sandra Mary Wischmeyer part of?

Sandra Wischmeyer is linked to Indiana Surgical Associates. Dmand AI links Sandra Wischmeyer to 2 more medical groups.

Does Sandra Mary Wischmeyer accept Medicare?

Yes. CMS data shows Sandra Wischmeyer billed Medicare for 234 services in 2024, and Sandra Wischmeyer accepts Medicare assignment.

How many Medicare patients does Sandra Mary Wischmeyer see?

CMS counts 139 Medicare patients who saw Sandra Wischmeyer in 2024, with an average age of 71.

What services does Sandra Mary Wischmeyer bill to Medicare?

In 2024, Sandra Wischmeyer's most billed Medicare services were hospital inpatient care (99231), hospital inpatient care (99221) and office visit, new patient (99203).

Show 4 more questionsShow fewer questions

Where did Sandra Mary Wischmeyer go to medical school?

Sandra Wischmeyer graduated from Midwestern University, Chicago College of Osteopathic Med in 2012.

What drugs does Sandra Mary Wischmeyer prescribe most?

In 2024 Medicare Part D data, Sandra Wischmeyer's most prescribed drugs by claims were Oxycodone HCl, Pantoprazole Sodium and Ondansetron ODT.

Has Sandra Mary Wischmeyer received payments from drug or device companies?

CMS Open Payments shows $46,058 in general payments to Sandra Wischmeyer from 17 companies from 2016 to 2025. The largest total came from Intuitive Surgical, Inc.

How long has Sandra Mary Wischmeyer been practicing?

Sandra Wischmeyer graduated from medical school in 2012, 14 years ago.

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