Dr. William Eugene Cornatzer Jr., MD

  • Bismarck, ND
  • Dermatologist
NPI1952360711PAC ID5597805739
Medicare services, 2024
3,585
Medicare patients, 2024
877
Part D claims, 2024
535
MIPS score, 2024
97
Hospital affiliations
1
Practice address
4207 Boulder Ridge Rd, Bismarck, ND 58503
Practice phone
Call (701) 673-3376
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Bismarck Dermatology Center

Bismarck, North Dakota

See all 5 affiliations

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Dr. William Eugene Cornatzer Jr. is a dermatologist in Bismarck, North Dakota

Dr. Cornatzer practices at Bismarck Dermatology Center in Bismarck, North Dakota.

Dr. Cornatzer's NPI, 1952360711, was assigned on March 21, 2006. Dr. Cornatzer graduated from The University of New Mexico School of Medicine in 1981. Dr. Cornatzer holds North Dakota license 5189.

NPI and contact details
Medicare PAC ID
5597805739
NPI enumeration date
March 21, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(701) 673-3376
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
70
Medical school graduation
1981

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

Dr. William Eugene Cornatzer Jr. practices at Bismarck Dermatology Center in Bismarck, North Dakota

Dr. Cornatzer's primary practice is Bismarck Dermatology Center, at 4207 Boulder Ridge Rd, Bismarck, ND 58503 in Burleigh County. The practice phone is (701) 673-3376.

  • Bismarck Dermatology Center
    4207 Boulder Ridge Rd, Bismarck, ND 58503 · Burleigh CountyPhone(701) 673-3376

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. William Eugene Cornatzer Jr. is affiliated with 4 sites of care and 1 medical group

Dr. Cornatzer's primary practice is Bismarck Dermatology Center in Bismarck, North Dakota. Dr. Cornatzer is also affiliated with Sanford Bismarck Medical Center. The medical group on file is Bismarck Dermatology Center. Dmand AI also links Dr. Cornatzer to 1 more physician office and 1 group practice or clinic, each named with a free account.

See all 5 affiliations for Dr. Cornatzer

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. William Eugene Cornatzer Jr.'s practice

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

EHR by site
SiteEHR vendor and product
Bismarck Dermatology CenterAvailable with a free account
+3 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. William Eugene Cornatzer Jr. is one of 32 dermatologists in North Dakota

Dermatology is Dr. Cornatzer's primary specialty in the NPI Registry, under taxonomy code 207N00000X. Dr. Cornatzer is board certified in dermatology by the American Board of Dermatology. Dmand AI has Dr. Cornatzer's licenses on file in 3 states: North Dakota, Florida and Minnesota.

Specialties and state licenses

  • Dermatology, North DakotaPrimaryLicense 5189 · 1985 to 2026 · taxonomy 207N00000X
  • Florida license1992 to 1998
  • Minnesota license1983 to 1987

Clinical focus

Dmand AI lists acne, acute skin infection, benign or precancerous skin growths, cancerous skin growth removal, cold sores or genital herpes, contact dermatitis, corns and calluses and itchy rashes among the conditions Dr. Cornatzer treats.

Dermatologists near Dr. Cornatzer

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

32dermatologists in North Dakota
7dermatologists in Bismarck

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

Dr. William Eugene Cornatzer Jr. billed Medicare for 3,585 services in 2024

CMS data shows 3,585 Medicare services from Dr. Cornatzer across 14 procedure codes in 2024, for 877 Medicare patients. Medicare paid $144,129 for them. Every service was in an office.

Medicare services, 20243,585
Medicare patients877
Paid by Medicare$144,129
Procedure codes14

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

  • 2023
  • 2024
Surgery
2023: 2,6222024: 2,33511%
Office and hospital visits
2023: 1,3002024: 1,2504%
Drugs given in the office
2023: 212024: 0100%
Tests and treatments
2023: 172024: 0100%

Dr. Cornatzer compared with the North Dakota median for dermatologists, 2024

  • Dr. Cornatzer
  • North Dakota median
Medicare services
3,585vs 1,2972.8 times
Medicare patients
877vs 49378% above
Part D claims
435vs 29050% above

Medians across 33 dermatologists in North Dakota with Dmand AI profiles that report each measure.

Dr. Cornatzer'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. Cornatzer

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Cornatzer and other dermatologists in North Dakota.

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

Dr. William Eugene Cornatzer Jr. treated 877 Medicare patients in 2024, average age 76

CMS counts 877 Medicare patients who saw Dr. Cornatzer in 2024. The largest group is 65 to 74, with 397 patients. 75% of them have high cholesterol, and 68% have high blood pressure. 2% are also on Medicaid. Their average risk score is 0.97, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Cornatzer's median patient age at 72, with 50% women.

Medicare patients, 2024877
Average age76
Average risk score0.97
Also on Medicaid2%

Dr. Cornatzer's Medicare patients by age, 2024

Dr. Cornatzer's Medicare patients by sex, 2024

  • Women39645%
  • Men48155%

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

  1. High cholesterol75%
  2. High blood pressure68%
  3. Arthritis42%
  4. Ischemic heart disease26%
  5. Diabetes19%
  6. Chronic kidney disease18%
  7. Anxiety16%
  8. Atrial fibrillation16%

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

Dr. Cornatzer's patients across all payers

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

Patient panel by age, all payers

Median age 72

Patient panel by sex, all payers

  • Women50%
  • Men50%

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

Dr. William Eugene Cornatzer Jr. wrote 535 Medicare Part D claims in 2024

In 2024, Dr. Cornatzer wrote 535 Medicare Part D claims for 271 patients. 92% of them were for generic drugs. CMS names the drug for 435 of them, across 10 drugs with 11 or more claims each, at $11,964 in total drug cost. In 2023, CMS named 376 claims across 11 drugs.

Part D claims, 2024535
Drugs named by CMS10
Total drug cost$11,964
Part D patients271

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

  • Generic491 claims92%
  • Brand-name and other44 claims8%

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

  • Antibiotics10%56 of 535 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: 3762024: 43516%

Drugs named by CMS: 10 in 2024, 11 in 2023.

See all prescribing by Dr. Cornatzer

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

Dr. William Eugene Cornatzer Jr. scored 97 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 97 out of 100 for Dr. Cornatzer for performance year 2024, reported individually. Dr. Cornatzer accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 859 procedures of removal of skin lesions by Dr. Cornatzer, more than 92% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Dr. Cornatzer's MIPS scores, performance year 2024

  • 97of 100Final score
  • 94.1of 100Quality
  • 40of 100Improvement Activities

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Where Dr. Cornatzer ranks in Medicare procedure volume

Removal of skin lesions
92nd percentile859 procedures
Skin biopsy
84th percentile185 procedures
Melanoma (skin cancer) excision
76th percentile22 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

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

Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)

For MedTech and pharma teams

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Dr. William Eugene Cornatzer Jr. received $1,193 in industry payments from 2016 to 2025

CMS Open Payments shows 59 general payments to Dr. Cornatzer from 13 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 86% of the total. Novartis Pharmaceuticals Corporation paid the most, $262.

General payments to Dr. Cornatzer by program year, 2016 to 2025

General payments to Dr. Cornatzer by kind, 2016 to 2025

$1.2Kin total
  • Food and beverage$1,02886%
  • Education$16514%

Companies that paid Dr. Cornatzer the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Cornatzer

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

Dr. William Eugene Cornatzer Jr. has 2 awards and honors on record

Dmand AI lists 2 awards for Dr. Cornatzer, most recently Regional Top Doctor in 2014.

Awards and honors for Dr. Cornatzer

  1. 2014
    • Regional Top Doctor
  2. Undated
    • AAD Fellow

Source: Dmand AI Professional Profile Data

Dr. William Eugene Cornatzer Jr. graduated from The University of New Mexico School of Medicine

Dr. Cornatzer graduated from The University of New Mexico School of Medicine in 1981. Dr. Cornatzer is a member of AAD.

  1. Medical schoolThe University of New Mexico School of Medicine
  2. Board certified in dermatologyAmerican Board of Dermatology

Source: Dmand AI Professional Profile Data

Dr. William Eugene Cornatzer Jr. accepts plans from 16 insurance carriers

Dr. Cornatzer is in network with 16 carriers, including Aetna, United Healthcare and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.

  • Aetna
  • United Healthcare
  • Blue Cross Blue Shield of Michigan
  • Blue Cross Blue Shield of North Dakota
  • Elevance
  • HCSC
  • Medica
  • Alliant Health Plans
  • +8 more carriersWith a free account

Plan types Dr. Cornatzer accepts, by number of carriers

  1. PPO11
  2. HMO7
  3. POS7
  4. EPO4
  5. Medicare4
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. William Eugene Cornatzer 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 phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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)Clinician Public Reporting: Overall MIPS Performance (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)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network 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. William Eugene Cornatzer 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. William Eugene Cornatzer Jr.'s NPI number?

Dr. William Eugene Cornatzer Jr.'s NPI number is 1952360711. It was assigned on March 21, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. William Eugene Cornatzer Jr.?

Dr. William Eugene Cornatzer Jr. is a dermatologist in Bismarck, North Dakota. The primary specialty in the NPI Registry is Dermatology Physician (taxonomy code 207N00000X).

Where does Dr. William Eugene Cornatzer Jr. practice?

Dr. Cornatzer practices at 4207 Boulder Ridge Rd, Bismarck, ND 58503. Dr. Cornatzer's primary practice is Bismarck Dermatology Center in Bismarck, North Dakota. Dmand AI also links Dr. Cornatzer to 1 physician office and 1 group practice or clinic.

What is Dr. William Eugene Cornatzer Jr.'s office phone number?

The practice phone on file for Dr. Cornatzer is (701) 673-3376.

What is Dr. William Eugene Cornatzer Jr.'s medical license number?

Dr. Cornatzer holds North Dakota license 5189, one of the licenses on file in 3 states.

Which states has Dr. William Eugene Cornatzer Jr. been licensed in?

Dmand AI has state licenses on file for Dr. Cornatzer in North Dakota (1985 to 2026), Florida (1992 to 1998) and Minnesota (1983 to 1987).

Which hospitals is Dr. William Eugene Cornatzer Jr. affiliated with?

Dr. Cornatzer is affiliated with Sanford Bismarck Medical Center.

What medical group is Dr. William Eugene Cornatzer Jr. part of?

Dr. Cornatzer is linked to Bismarck Dermatology Center.

Does Dr. William Eugene Cornatzer Jr. accept Medicare?

Yes. CMS data shows Dr. Cornatzer billed Medicare for 3,585 services in 2024, and Dr. Cornatzer accepts Medicare assignment.

What is Dr. William Eugene Cornatzer Jr.'s MIPS score?

Dr. Cornatzer's MIPS final score for performance year 2024 is 97 out of 100, reported individually.

Show 8 more questionsShow fewer questions

How many Medicare patients does Dr. William Eugene Cornatzer Jr. see?

CMS counts 877 Medicare patients who saw Dr. Cornatzer in 2024, with an average age of 76.

Is Dr. William Eugene Cornatzer Jr. board certified?

Yes. Dr. Cornatzer is board certified in dermatology by the American Board of Dermatology.

What services does Dr. William Eugene Cornatzer Jr. bill to Medicare?

In 2024, Dr. Cornatzer's most billed Medicare services were surgery: skin and soft tissue (17003), office visit, established patient (99214) and surgery: skin and soft tissue (17000).

Where did Dr. William Eugene Cornatzer Jr. go to medical school?

Dr. Cornatzer graduated from The University of New Mexico School of Medicine in 1981.

What drugs does Dr. William Eugene Cornatzer Jr. prescribe most?

In 2024 Medicare Part D data, Dr. Cornatzer's most prescribed drugs by claims were Triamcinolone Acetonide, Mupirocin and Clobetasol Propionate.

Has Dr. William Eugene Cornatzer Jr. received payments from drug or device companies?

CMS Open Payments shows $1,193 in general payments to Dr. Cornatzer from 13 companies from 2016 to 2025. The largest total came from Novartis Pharmaceuticals Corporation.

How long has Dr. William Eugene Cornatzer Jr. been practicing?

Dr. Cornatzer graduated from medical school in 1981, 45 years ago.

What insurance does Dr. William Eugene Cornatzer Jr. accept?

Dr. Cornatzer is in network with 16 carriers, including Aetna, United Healthcare and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.

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