Dr. Mark Dziemianowicz, MD

  • Cheyenne, WY
  • Radiation oncologist
NPI1154776029PAC ID3779852454
Medicare services, 2024
1,619
Medicare patients, 2024
276
Part D claims, 2024
121
Publications
5
MIPS score, 2024
89
Practice address
214 East 23rd Street, Cheyenne, WY 82001
Practice phone
Call (307) 633-2273
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Cheyenne Regional Medical Center

Hospital · Cheyenne, Wyoming

See all 7 affiliations

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Dr. Mark Dziemianowicz is a radiation oncologist in Cheyenne, Wyoming

Dr. Dziemianowicz practices at Cheyenne Regional Medical Center in Cheyenne, Wyoming, part of Laramie County Shooting Sports Complex.

Dr. Dziemianowicz's NPI, 1154776029, was assigned on April 28, 2016. Dr. Dziemianowicz graduated from Temple University School of Medicine in 2016. Dr. Dziemianowicz holds Colorado license DR0072435.

NPI and contact details
Medicare PAC ID
3779852454
NPI enumeration date
April 28, 2016
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(307) 633-2273
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
36
Medical school graduation
2016

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

Dr. Mark Dziemianowicz practices at Cheyenne Regional Medical Center in Cheyenne, Wyoming

Dr. Dziemianowicz's primary practice is Cheyenne Regional Medical Center, at 214 East 23rd Street, Cheyenne, WY 82001 in Laramie County. The practice phone is (307) 633-2273.

Source: Dmand AI Affiliation Data

Dr. Mark Dziemianowicz is affiliated with 6 sites of care and 1 medical group

Dr. Dziemianowicz's primary practice is Cheyenne Regional Medical Center in Cheyenne, Wyoming, part of Laramie County Shooting Sports Complex. Dr. Dziemianowicz is also affiliated with Banner North Colorado Medical Center. The medical group on file is Banner Hospital Based Physicians Colorado. Dmand AI also links Dr. Dziemianowicz to 4 more hospitals, each named with a free account.

See all 7 affiliations for Dr. Dziemianowicz

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

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

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Dziemianowicz practices, 6 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Cheyenne Regional Medical CenterAvailable with a free account
+5 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dmand AI maps EHR vendors, IT decision makers and buying committees across Laramie County Shooting Sports Complex and 6.2K+ hospitals, with verified contacts in the same login.

Dr. Mark Dziemianowicz is one of 9 radiation oncologists in Wyoming

Radiation oncology is Dr. Dziemianowicz's primary specialty in the NPI Registry, under taxonomy code 2085R0001X. Dmand AI has Dr. Dziemianowicz's licenses on file in 2 states: Colorado and Wyoming.

Specialties and state licenses

  • Radiation oncology, ColoradoPrimaryLicense DR0072435 · taxonomy 2085R0001X
  • Wyoming licenseLicense 13549A

Radiation oncologists near Dr. Dziemianowicz

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

9radiation oncologists in Wyoming
3radiation oncologists in Cheyenne
3radiation oncologists at Cheyenne Regional Medical Center

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

Dr. Mark Dziemianowicz billed Medicare for 1,619 services in 2024

CMS data shows 1,619 Medicare services from Dr. Dziemianowicz across 18 procedure codes in 2024, for 276 Medicare patients. Medicare paid $116,476 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 20241,619
Medicare patients276
Paid by Medicare$116,476
Procedure codes18

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

  • 2023
  • 2024
Imaging
2023: 3,5242024: 1,34962%
Office and hospital visits
2023: 5132024: 27047%
Other services
2023: 2912024: 0100%

Dr. Dziemianowicz compared with the Wyoming median for radiation oncologists, 2024

  • Dr. Dziemianowicz
  • Wyoming median
Part D claims
50vs 3447% above

Medians across 10 radiation oncologists in Wyoming with Dmand AI profiles that report each measure.

Dr. Dziemianowicz'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. Dziemianowicz

Need commercial claims for Dr. Dziemianowicz?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Dziemianowicz and other radiation oncologists in Wyoming.

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

Dr. Mark Dziemianowicz treated 276 Medicare patients in 2024, average age 74

CMS counts 276 Medicare patients who saw Dr. Dziemianowicz in 2024. The largest group is 65 to 74, with 142 patients. 75% of them have cancer, and 63% have high blood pressure. 6% are also on Medicaid. Their average risk score is 1.47, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Dziemianowicz's median patient age at 71, with 40% women.

Medicare patients, 2024276
Average age74
Average risk score1.47
Also on Medicaid6%

Dr. Dziemianowicz's Medicare patients by age, 2024

Dr. Dziemianowicz's Medicare patients by sex, 2024

  • Women13248%
  • Men14452%

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

  1. Cancer75%
  2. High blood pressure63%
  3. High cholesterol55%
  4. Arthritis36%
  5. COPD21%
  6. Chronic kidney disease20%
  7. Diabetes20%
  8. Anxiety17%

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

Dr. Dziemianowicz's patients across all payers

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

Patient panel by age, all payers

Median age 71

Patient panel by sex, all payers

  • Women40%
  • Men59%

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

Dr. Mark Dziemianowicz wrote 121 Medicare Part D claims in 2024

In 2024, Dr. Dziemianowicz wrote 121 Medicare Part D claims for 60 patients. 93% of them were for generic drugs. CMS names the drug for 50 of them, across 2 drugs with 11 or more claims each, at $467 in total drug cost. In 2023, CMS named 63 claims across 3 drugs.

Part D claims, 2024121
Drugs named by CMS2
Total drug cost$467
Part D patients60

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

  • Generic113 claims93%
  • Brand-name and other8 claims7%

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

  • Opioids13%16 of 121 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: 632024: 5021%

Drugs named by CMS: 2 in 2024, 3 in 2023.

See all prescribing by Dr. Dziemianowicz

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. Mark Dziemianowicz scored 89 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 89 out of 100 for Dr. Dziemianowicz for performance year 2024, reported as part of a group. Dr. Dziemianowicz accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Dziemianowicz as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Dziemianowicz's MIPS scores, performance year 2024

  • 89of 100Final score
  • 81.3of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 77of 100Cost

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

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

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Dr. Mark Dziemianowicz has 5 publications on record

Dmand AI links 5 papers to Dr. Dziemianowicz, published from 2011 to 2021. 2021 was the busiest year, with 2. Dr. Dziemianowicz's most frequent co-authors are Michael Matthew Dominello, DO, Steven L. Galetta, MD and Lauren Brandes, MD.

Papers5
Years published2011 to 2021

Dr. Dziemianowicz's papers by year, 2011 to 2021

Dr. Dziemianowicz's most frequent co-authors

Recent publications by Dr. Dziemianowicz

See all 5 publications and co-authors

See who Dr. Dziemianowicz researches with

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

How network discovery works

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

Dr. Mark Dziemianowicz received $1,061 in industry payments from 2021 to 2025

CMS Open Payments shows 31 general payments to Dr. Dziemianowicz from 16 drug and device companies from 2021 to 2025. Food and beverage make up the largest share, 100% of the total. Siemens Medical Solutions USA, Inc. paid the most, $283.

General payments to Dr. Dziemianowicz by program year, 2021 to 2025

Companies that paid Dr. Dziemianowicz the most, 2021 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Dziemianowicz

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

Dr. Mark Dziemianowicz graduated from Temple University School of Medicine

Dr. Dziemianowicz graduated from Temple University School of Medicine in 2016.

  1. Medical schoolTemple University School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Mark Dziemianowicz'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)Clinician Public Reporting: Overall MIPS Performance (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 Dziemianowicz

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 Dziemianowicz's NPI number?

Dr. Mark Dziemianowicz's NPI number is 1154776029. It was assigned on April 28, 2016, and it is active in the NPI Registry.

What kind of doctor is Dr. Mark Dziemianowicz?

Dr. Mark Dziemianowicz is a radiation oncologist in Cheyenne, Wyoming. The primary specialty in the NPI Registry is Radiation Oncology Physician (taxonomy code 2085R0001X).

Where does Dr. Mark Dziemianowicz practice?

Dr. Dziemianowicz practices at 214 East 23rd Street, Cheyenne, WY 82001. Dr. Dziemianowicz's primary practice is Cheyenne Regional Medical Center in Cheyenne, Wyoming, part of Laramie County Shooting Sports Complex. Dmand AI also links Dr. Dziemianowicz to 4 hospitals.

What is Dr. Mark Dziemianowicz's office phone number?

The practice phone on file for Dr. Dziemianowicz is (307) 633-2273.

What is Dr. Mark Dziemianowicz's medical license number?

Dr. Dziemianowicz holds Colorado license DR0072435, one of the licenses on file in 2 states.

Which states has Dr. Mark Dziemianowicz been licensed in?

Dmand AI has state licenses on file for Dr. Dziemianowicz in Colorado and Wyoming.

Which hospitals is Dr. Mark Dziemianowicz affiliated with?

Dr. Dziemianowicz practices at Cheyenne Regional Medical Center in Cheyenne, Wyoming. Dr. Dziemianowicz is also affiliated with Banner North Colorado Medical Center. Dmand AI links Dr. Dziemianowicz to 4 more hospitals.

What medical group is Dr. Mark Dziemianowicz part of?

Dr. Dziemianowicz is linked to Banner Hospital Based Physicians Colorado.

Does Dr. Mark Dziemianowicz accept Medicare?

Yes. CMS data shows Dr. Dziemianowicz billed Medicare for 1,619 services in 2024, and Dr. Dziemianowicz accepts Medicare assignment.

Does Dr. Mark Dziemianowicz offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Dziemianowicz as offering telehealth services.

Show 9 more questionsShow fewer questions

What is Dr. Mark Dziemianowicz's MIPS score?

Dr. Dziemianowicz's MIPS final score for performance year 2024 is 89 out of 100, reported as part of a group.

How many Medicare patients does Dr. Mark Dziemianowicz see?

CMS counts 276 Medicare patients who saw Dr. Dziemianowicz in 2024, with an average age of 74.

What services does Dr. Mark Dziemianowicz bill to Medicare?

In 2024, Dr. Dziemianowicz's most billed Medicare services were radiation oncology (77014), radiation oncology (77300) and radiation oncology (77427).

Where did Dr. Mark Dziemianowicz go to medical school?

Dr. Dziemianowicz graduated from Temple University School of Medicine in 2016.

What drugs does Dr. Mark Dziemianowicz prescribe most?

In 2024 Medicare Part D data, Dr. Dziemianowicz's most prescribed drugs by claims were Tamsulosin HCl and Hydrocodone-Acetaminophen.

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

CMS Open Payments shows $1,061 in general payments to Dr. Dziemianowicz from 16 companies from 2021 to 2025. The largest total came from Siemens Medical Solutions USA, Inc.

How long has Dr. Mark Dziemianowicz been practicing?

Dr. Dziemianowicz graduated from medical school in 2016, 10 years ago.

Does Dr. Mark Dziemianowicz do research?

Dmand AI links 5 publications to Dr. Dziemianowicz, published from 2011 to 2021.

Who does Dr. Mark Dziemianowicz publish with?

Dr. Dziemianowicz's most frequent co-authors are Michael Matthew Dominello, DO (2 shared papers), Steven L. Galetta, MD (2 shared papers) and Lauren Brandes, MD (1 shared paper).

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