Dr. Cornelius W. Hyzer Jr., MD

  • Shawano, WI
  • Family medicine physician
NPI1275933418PAC ID1254655335
Medicare services, 2024
48
Medicare patients, 2024
32
Part D claims, 2024
11,423
Publications
1
Hospital affiliations
3
Practice address
100 County Rd B, Shawano, WI 54166
Practice phone
Call (715) 526-2111
Professional email
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Personal email
Get personal email
Mobile number
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Social profiles

Primary practice

ThedaCare Medical Center-Shawano

Hospital · Shawano, Wisconsin

See all 8 affiliations

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Dr. Cornelius W. Hyzer Jr. is a family medicine physician in Shawano, Wisconsin

Dr. Hyzer practices at ThedaCare Medical Center-Shawano in Shawano, Wisconsin, part of Froedtert ThedaCare Health.

Dr. Hyzer's NPI, 1275933418, was assigned on August 25, 2014. Dr. Hyzer graduated from University of Utah School of Medicine in 2013. Dr. Hyzer holds Wisconsin license 62809-20.

NPI and contact details
Medicare PAC ID
1254655335
NPI enumeration date
August 25, 2014
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(715) 526-2111
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
39
Medical school graduation
2013

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

Dr. Cornelius W. Hyzer Jr. practices at ThedaCare Medical Center-Shawano in Shawano, Wisconsin

Dr. Hyzer's primary practice is ThedaCare Medical Center-Shawano, at 100 County Rd B, Shawano, WI 54166 in Shawano County. The practice phone is (715) 526-2111.

Source: Dmand AI Affiliation Data

Dr. Cornelius W. Hyzer Jr. is affiliated with 5 sites of care and 3 medical groups

Dr. Hyzer's primary practice is ThedaCare Medical Center-Shawano in Shawano, Wisconsin, part of Froedtert ThedaCare Health. Dr. Hyzer is also affiliated with ThedaCare Regional Medical Center-Neenah. The medical group on file is ThedaCare Behavioral Health Walk-in Care-Neenah. Dmand AI also links Dr. Hyzer to 1 more hospital, 2 medical groups, 1 home health agency and 1 hospice, each named with a free account.

See all 8 affiliations for Dr. Hyzer

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

Dmand AI tracks the EHR system at Dr. Cornelius W. Hyzer Jr.'s practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hyzer practices, 5 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
ThedaCare Medical Center-ShawanoAvailable with a free account
+4 more sites and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dr. Cornelius W. Hyzer Jr. is one of 3,101 family medicine physicians in Wisconsin

Family medicine is Dr. Hyzer's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Hyzer is licensed in Wisconsin.

Specialties and state licenses

  • Family medicine, WisconsinPrimaryLicense 62809-20 · taxonomy 207Q00000X

Family medicine physicians near Dr. Hyzer

Counts of family medicine physicians 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

Dr. Cornelius W. Hyzer Jr. billed Medicare for 48 services in 2024

CMS data shows 48 Medicare services from Dr. Hyzer across 2 procedure codes in 2024, for 32 Medicare patients. Medicare paid $3,302 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 202448
Medicare patients32
Paid by Medicare$3,302
Procedure codes2

Dr. Hyzer's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 422024: 4814%

Dr. Hyzer compared with the Wisconsin median for family medicine physicians, 2024

  • Dr. Hyzer
  • Wisconsin median
Medicare services
48vs 28483% below
Medicare patients
32vs 14177% below
Part D claims
10,614vs 1,1069.6 times

Medians across 3,266 family medicine physicians in Wisconsin with Dmand AI profiles that report each measure.

Dr. Hyzer'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 Dr. Hyzer

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

Dr. Cornelius W. Hyzer Jr. treated 32 Medicare patients in 2024, average age 79

CMS counts 32 Medicare patients who saw Dr. Hyzer in 2024. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.91, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Hyzer's median patient age at 65, with 37% women.

Medicare patients, 202432
Average age79
Average risk score1.91

Dr. Hyzer's Medicare patients by sex, 2024

  • Women1547%
  • Men1753%

Chronic conditions among Dr. Hyzer's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis59%
  4. Chronic kidney disease53%
  5. Diabetes53%
  6. Ischemic heart disease50%
  7. Mood disorders38%
  8. Anxiety34%

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

Dr. Hyzer's patients across all payers

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

Patient panel by age, all payers

Median age 65

Patient panel by sex, all payers

  • Women37%
  • Men63%

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

Dr. Cornelius W. Hyzer Jr. wrote 11,423 Medicare Part D claims in 2024

In 2024, Dr. Hyzer wrote 11,423 Medicare Part D claims for 797 patients. 86% of them were for generic drugs. CMS names the drug for 10,614 of them, across 163 drugs with 11 or more claims each, at $960,687 in total drug cost. In 2023, CMS named 11,229 claims across 175 drugs.

Part D claims, 202411,423
Drugs named by CMS163
Total drug cost$960,687
Part D patients797

Dr. Hyzer's Part D claims by kind of drug, 2024

  • Generic9,823 claims86%
  • Brand-name1,498 claims13%
  • Other102 claims1%

Dr. Hyzer'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 Dr. Hyzer's Part D claims, 2024

  • Opioids2%233 of 11,423 claims
  • Antibiotics1%143 of 11,423 claims
  • Antipsychotics, patients 65 and over1%74 of 11,423 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: 11,2292024: 10,6145%

Drugs named by CMS: 163 in 2024, 175 in 2023.

See all prescribing by Dr. Hyzer

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 Dr. Cornelius W. Hyzer Jr. takes part in Medicare

Dr. Hyzer accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Cornelius W. Hyzer Jr. has 1 publication on record

Dmand AI links 1 paper to Dr. Hyzer in 2012.

Papers1

Recent publications by Dr. Hyzer

See all 1 publications and co-authors

See who Dr. Hyzer researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Hyzer works with, so you can find a warm path to the right family medicine physicians.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Cornelius W. Hyzer Jr. received $119 in industry payments from 2016 to 2021

CMS Open Payments shows 8 general payments to Dr. Hyzer from 7 drug and device companies from 2016 to 2021. Food and beverage make up the largest share, 100% of the total. Merck Sharp & Dohme Corporation paid the most, $24.

General payments to Dr. Hyzer by program year, 2016 to 2021

Companies that paid Dr. Hyzer the most, 2016 to 2021

Share is of all general payments to this clinician.

See all payments to Dr. Hyzer

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

Dr. Cornelius W. Hyzer Jr. graduated from University of Utah School of Medicine

Dr. Hyzer graduated from University of Utah School of Medicine in 2013.

  1. Medical schoolUniversity of Utah School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Cornelius W. Hyzer Jr.'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)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
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 Dr. Cornelius W. Hyzer Jr.

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

What is Dr. Cornelius W. Hyzer Jr.'s NPI number?

Dr. Cornelius W. Hyzer Jr.'s NPI number is 1275933418. It was assigned on August 25, 2014, and it is active in the NPI Registry.

What kind of doctor is Dr. Cornelius W. Hyzer Jr.?

Dr. Cornelius W. Hyzer Jr. is a family medicine physician in Shawano, Wisconsin. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).

Where does Dr. Cornelius W. Hyzer Jr. practice?

Dr. Hyzer practices at 100 County Rd B, Shawano, WI 54166. Dr. Hyzer's primary practice is ThedaCare Medical Center-Shawano in Shawano, Wisconsin, part of Froedtert ThedaCare Health. Dmand AI also links Dr. Hyzer to 1 hospital, 2 medical groups, 1 home health agency and 1 hospice.

What is Dr. Cornelius W. Hyzer Jr.'s office phone number?

The practice phone on file for Dr. Hyzer is (715) 526-2111.

What is Dr. Cornelius W. Hyzer Jr.'s medical license number?

Dr. Hyzer holds Wisconsin license 62809-20.

Which hospitals is Dr. Cornelius W. Hyzer Jr. affiliated with?

Dr. Hyzer practices at ThedaCare Medical Center-Shawano in Shawano, Wisconsin. Dr. Hyzer is also affiliated with ThedaCare Regional Medical Center-Neenah. Dmand AI links Dr. Hyzer to 1 more hospital.

What medical group is Dr. Cornelius W. Hyzer Jr. part of?

Dr. Hyzer is linked to ThedaCare Behavioral Health Walk-in Care-Neenah. Dmand AI links Dr. Hyzer to 2 more medical groups.

Does Dr. Cornelius W. Hyzer Jr. accept Medicare?

Yes. CMS data shows Dr. Hyzer billed Medicare for 48 services in 2024, and Dr. Hyzer accepts Medicare assignment.

How many Medicare patients does Dr. Cornelius W. Hyzer Jr. see?

CMS counts 32 Medicare patients who saw Dr. Hyzer in 2024, with an average age of 79.

What services does Dr. Cornelius W. Hyzer Jr. bill to Medicare?

In 2024, Dr. Hyzer's most billed Medicare services were hospital inpatient care (99232) and hospital inpatient care (99239).

Show 5 more questionsShow fewer questions

Where did Dr. Cornelius W. Hyzer Jr. go to medical school?

Dr. Hyzer graduated from University of Utah School of Medicine in 2013.

What drugs does Dr. Cornelius W. Hyzer Jr. prescribe most?

In 2024 Medicare Part D data, Dr. Hyzer's most prescribed drugs by claims were Atorvastatin Calcium, Lisinopril and Amlodipine Besylate.

Has Dr. Cornelius W. Hyzer Jr. received payments from drug or device companies?

CMS Open Payments shows $119 in general payments to Dr. Hyzer from 7 companies from 2016 to 2021. The largest total came from Merck Sharp & Dohme Corporation.

How long has Dr. Cornelius W. Hyzer Jr. been practicing?

Dr. Hyzer graduated from medical school in 2013, 13 years ago.

Does Dr. Cornelius W. Hyzer Jr. do research?

Dmand AI links 1 publication to Dr. Hyzer.

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