Dr. Mark Andrew Welnick, MD

  • Green Bay, WI
  • Diagnostic radiologist
NPI1255698221PAC ID2769771138
Medicare services, 2024
1,063
Medicare patients, 2024
607
Part D claims, 2024
77
Publications
1
Hospital affiliations
6
Practice address
744 S Webster Ave, Green Bay, WI 54301
Practice phone
Call (920) 433-3500
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Emplify Health Green Bay Hospital

Hospital · Green Bay, Wisconsin

See all 14 affiliations

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Dr. Mark Andrew Welnick is a diagnostic radiologist in Green Bay, Wisconsin

Dr. Welnick practices at Emplify Health Green Bay Hospital in Green Bay, Wisconsin, part of Emplify Health.

Dr. Welnick's NPI, 1255698221, was assigned on April 16, 2012. Dr. Welnick graduated from University of Wisconsin School of Medicine in 2012. Dr. Welnick holds Wisconsin license 66995-20.

NPI and contact details
Medicare PAC ID
2769771138
NPI enumeration date
April 16, 2012
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(920) 433-3500
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
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)

Dr. Mark Andrew Welnick practices at Emplify Health Green Bay Hospital in Green Bay, Wisconsin

Dr. Welnick's primary practice is Emplify Health Green Bay Hospital, at 744 S Webster Ave, Green Bay, WI 54301 in Brown County. The practice phone is (920) 433-3500.

Source: Dmand AI Affiliation Data

Dr. Mark Andrew Welnick is affiliated with 8 sites of care and 6 medical groups

Dr. Welnick's primary practice is Emplify Health Green Bay Hospital in Green Bay, Wisconsin, part of Emplify Health. Dr. Welnick is also affiliated with Aurora BayCare Medical Center. The medical group on file is OSF Multi-Specialty Group. Dmand AI also links Dr. Welnick to 4 more hospitals, 5 medical groups, 1 group practice or clinic and 1 imaging center, each named with a free account.

See all 14 affiliations for Dr. Welnick

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

Dmand AI tracks the EHR system at Dr. Mark Andrew Welnick's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Welnick practices, 8 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Emplify Health Green Bay HospitalAvailable with a free account
+7 more sites and 5 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dr. Mark Andrew Welnick is one of 782 diagnostic radiologists in Wisconsin

Diagnostic radiology is Dr. Welnick's primary specialty in the NPI Registry, under taxonomy code 2085R0202X. Dmand AI has Dr. Welnick's licenses on file in 2 states: Wisconsin and Minnesota.

Specialties and state licenses

  • Diagnostic radiology, WisconsinPrimaryLicense 66995-20 · taxonomy 2085R0202X
  • Minnesota licenseLicense 63777

Diagnostic radiologists near Dr. Welnick

Counts of diagnostic radiologists 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. Mark Andrew Welnick billed Medicare for 1,063 services in 2024

CMS data shows 1,063 Medicare services from Dr. Welnick across 22 procedure codes in 2024, for 607 Medicare patients. Medicare paid $32,100 for them.

Medicare services, 20241,063
Medicare patients607
Paid by Medicare$32,100
Procedure codes22

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

  • 2023
  • 2024
Other services
2023: 02024: 381
Tests and treatments
2023: 4202024: 32722%
Imaging
2023: 1862024: 28754%
Office and hospital visits
2023: 602024: 4033%
Surgery
2023: 232024: 2822%

Where Dr. Welnick's Medicare services took place, 2024

  • In an office47845%
  • In a facility58555%

Dr. Welnick compared with the Wisconsin median for diagnostic radiologists, 2024

  • Dr. Welnick
  • Wisconsin median
Medicare services
1,063vs 1,83642% below
Medicare patients
607vs 1,41457% below
Part D claims
64vs 134.9 times

Medians across 758 diagnostic radiologists in Wisconsin with Dmand AI profiles that report each measure.

Dr. Welnick'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. Welnick

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

Dr. Mark Andrew Welnick treated 607 Medicare patients in 2024, average age 73

CMS counts 607 Medicare patients who saw Dr. Welnick in 2024. The largest group is 65 to 74, with 306 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 12% are also on Medicaid. Their average risk score is 1.66, 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. Welnick's median patient age at 68, with 52% women.

Medicare patients, 2024607
Average age73
Average risk score1.66
Also on Medicaid12%

Dr. Welnick's Medicare patients by age, 2024

Dr. Welnick's Medicare patients by sex, 2024

  • Women28046%
  • Men32754%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis47%
  4. Ischemic heart disease39%
  5. Chronic kidney disease31%
  6. Mood disorders31%
  7. Diabetes30%
  8. Anxiety29%

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

Dr. Welnick's patients across all payers

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

Patient panel by age, all payers

Median age 68

Patient panel by sex, all payers

  • Women52%
  • Men48%

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

Dr. Mark Andrew Welnick wrote 77 Medicare Part D claims in 2024

In 2024, Dr. Welnick wrote 77 Medicare Part D claims for 29 patients. 99% of them were for generic drugs. CMS names the drug for 64 of them, across 2 drugs with 11 or more claims each, at $675 in total drug cost. In 2023, CMS named 39 claims across 2 drugs.

Part D claims, 202477
Drugs named by CMS2
Total drug cost$675
Part D patients29

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

  • Generic76 claims99%
  • Brand-name and other1 claims1%

Dr. Welnick'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.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 392024: 6464%

Drugs named by CMS: 2 in 2024, 2 in 2023.

See all prescribing by Dr. Welnick

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. Mark Andrew Welnick takes part in Medicare

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

Accepts Medicare assignment
Yes

Leg revascularization (restoring blood flow): 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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Dr. Mark Andrew Welnick has 1 publication on record

Dmand AI links 1 paper to Dr. Welnick in 2015. Dr. Welnick's most frequent co-authors are Matthew Scott Hartman, MD and Sheri A. Mancini, MD.

Papers1

Dr. Welnick's most frequent co-authors

Recent publications by Dr. Welnick

See all 1 publications and co-authors

See who Dr. Welnick researches with

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

How network discovery works

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

Dr. Mark Andrew Welnick received $44,673 in industry payments from 2016 to 2025

CMS Open Payments shows 194 general payments to Dr. Welnick from 19 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 35% of the total. Penumbra, Inc. paid the most, $23,268.

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

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

$44.7Kin total
  • Speaker and faculty fees$15,67535%
  • Travel and lodging$12,26727%
  • Food and beverage$10,44323%
  • Consulting fees$6,00013%
  • Grants$2881%

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

Share is of all general payments to this clinician.

See all payments to Dr. Welnick

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

Dr. Mark Andrew Welnick graduated from University of Wisconsin School of Medicine

Dr. Welnick graduated from University of Wisconsin School of Medicine in 2012.

  1. Medical schoolUniversity of Wisconsin School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Mark Andrew Welnick'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)
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. Mark Andrew Welnick

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. Mark Andrew Welnick's NPI number?

Dr. Mark Andrew Welnick's NPI number is 1255698221. It was assigned on April 16, 2012, and it is active in the NPI Registry.

What kind of doctor is Dr. Mark Andrew Welnick?

Dr. Mark Andrew Welnick is a diagnostic radiologist in Green Bay, Wisconsin. The primary specialty in the NPI Registry is Diagnostic Radiology Physician (taxonomy code 2085R0202X).

Where does Dr. Mark Andrew Welnick practice?

Dr. Welnick practices at 744 S Webster Ave, Green Bay, WI 54301. Dr. Welnick's primary practice is Emplify Health Green Bay Hospital in Green Bay, Wisconsin, part of Emplify Health. Dmand AI also links Dr. Welnick to 4 hospitals, 5 medical groups, 1 group practice or clinic and 1 imaging center.

What is Dr. Mark Andrew Welnick's office phone number?

The practice phone on file for Dr. Welnick is (920) 433-3500.

What is Dr. Mark Andrew Welnick's medical license number?

Dr. Welnick holds Wisconsin license 66995-20, one of the licenses on file in 2 states.

Which states has Dr. Mark Andrew Welnick been licensed in?

Dmand AI has state licenses on file for Dr. Welnick in Wisconsin and Minnesota.

Which hospitals is Dr. Mark Andrew Welnick affiliated with?

Dr. Welnick practices at Emplify Health Green Bay Hospital in Green Bay, Wisconsin. Dr. Welnick is also affiliated with Aurora BayCare Medical Center. Dmand AI links Dr. Welnick to 4 more hospitals.

What medical group is Dr. Mark Andrew Welnick part of?

Dr. Welnick is linked to OSF Multi-Specialty Group. Dmand AI links Dr. Welnick to 5 more medical groups.

Does Dr. Mark Andrew Welnick accept Medicare?

Yes. CMS data shows Dr. Welnick billed Medicare for 1,063 services in 2024, and Dr. Welnick accepts Medicare assignment.

How many Medicare patients does Dr. Mark Andrew Welnick see?

CMS counts 607 Medicare patients who saw Dr. Welnick in 2024, with an average age of 73.

Show 7 more questionsShow fewer questions

What services does Dr. Mark Andrew Welnick bill to Medicare?

In 2024, Dr. Welnick's most billed Medicare services were medical supplies or transport (A9573), blood vessel study (93880) and blood vessel study (93971).

Where did Dr. Mark Andrew Welnick go to medical school?

Dr. Welnick graduated from University of Wisconsin School of Medicine in 2012.

What drugs does Dr. Mark Andrew Welnick prescribe most?

In 2024 Medicare Part D data, Dr. Welnick's most prescribed drugs by claims were Clopidogrel and Cilostazol.

Has Dr. Mark Andrew Welnick received payments from drug or device companies?

CMS Open Payments shows $44,673 in general payments to Dr. Welnick from 19 companies from 2016 to 2025. The largest total came from Penumbra, Inc.

How long has Dr. Mark Andrew Welnick been practicing?

Dr. Welnick graduated from medical school in 2012, 14 years ago.

Does Dr. Mark Andrew Welnick do research?

Dmand AI links 1 publication to Dr. Welnick.

Who does Dr. Mark Andrew Welnick publish with?

Dr. Welnick's most frequent co-authors are Matthew Scott Hartman, MD (1 shared paper) and Sheri A. Mancini, MD (1 shared paper).

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