Dr. Robert J. Darzynkiewicz, MD

  • Reno, NV
  • Emergency medicine physician
NPI1811956063
Medicare services, 2024
226
Medicare patients, 2024
193
Part D claims, 2024
152
Hospital affiliations
1
Industry payments
$304
Practice address
1155 Mill Street, Reno, NV 89502
Practice phone
Call (775) 982-4100
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Renown Regional Medical Center

Hospital · Reno, Nevada

See all 3 affiliations

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Dr. Robert J. Darzynkiewicz is an emergency medicine physician in Reno, Nevada

Dr. Darzynkiewicz practices at Renown Regional Medical Center in Reno, Nevada, part of Renown Health.

Dr. Darzynkiewicz's NPI, 1811956063, was assigned on March 17, 2006. Dr. Darzynkiewicz graduated from New York Medical College in 1999. Dr. Darzynkiewicz's Nevada license number on file is 10764.

NPI and contact details
NPI enumeration date
March 17, 2006
NPI status
Active
Practice phone
(775) 982-4100
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
53
Medical school graduation
1999

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

Dr. Robert J. Darzynkiewicz practices at Renown Regional Medical Center in Reno, Nevada

Dr. Darzynkiewicz's primary practice is Renown Regional Medical Center, at 1155 Mill Street, Reno, NV 89502 in Washoe County. The practice phone is (775) 982-4100.

Source: Dmand AI Affiliation Data

Dr. Robert J. Darzynkiewicz is affiliated with 1 site of care and 2 medical groups

Dr. Darzynkiewicz's primary practice is Renown Regional Medical Center in Reno, Nevada, part of Renown Health. The medical group on file is Vituity. Dmand AI also links Dr. Darzynkiewicz to 1 more medical group, named with a free account.

See all 3 affiliations for Dr. Darzynkiewicz

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

Dmand AI tracks the EHR system at Dr. Robert J. Darzynkiewicz's practice

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

EHR by site
SiteEHR vendor and product
Renown Regional Medical CenterAvailable with a free account
+1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Robert J. Darzynkiewicz is one of 554 emergency medicine physicians in Nevada

Emergency medicine is Dr. Darzynkiewicz's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Darzynkiewicz is board certified in emergency medicine by the American Board of Emergency Medicine. Dmand AI has Dr. Darzynkiewicz's licenses on file in 15 states: Nevada, District of Columbia, Florida, Georgia, Hawaii, Illinois, Kentucky, Maryland, Michigan, Missouri, New Mexico, Ohio, Oklahoma, Pennsylvania and Rhode Island.

Specialties and state licenses

  • Emergency medicine, NevadaPrimaryLicense 10764 · 2003 to 2025 · taxonomy 207P00000X
  • District of Columbia license2023 to 2027
  • Florida license2018 to 2026
  • Georgia license2019 to 2026
  • Hawaii license2021 to 2026
  • Illinois license2018 to 2026
  • Kentucky license2019 to 2026
  • Maryland license2020 to 2026
  • Michigan license2020 to 2026
  • Missouri license2020 to 2026
  • New Mexico license2022 to 2026
  • Ohio license2020 to 2026
  • Oklahoma license2021 to 2026
  • Pennsylvania license2021 to 2026
  • Rhode Island license2024 to 2026

Emergency medicine physicians near Dr. Darzynkiewicz

Counts of emergency 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. Robert J. Darzynkiewicz billed Medicare for 226 services in 2024

CMS data shows 226 Medicare services from Dr. Darzynkiewicz across 3 procedure codes in 2024, for 193 Medicare patients. Medicare paid $21,078 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024226
Medicare patients193
Paid by Medicare$21,078
Procedure codes3

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

  • 2023
  • 2024
Office and hospital visits
2023: 2062024: 18013%
Tests and treatments
2023: 572024: 4619%

Dr. Darzynkiewicz compared with the Nevada median for emergency medicine physicians, 2024

  • Dr. Darzynkiewicz
  • Nevada median
Medicare services
226vs 29824% below
Medicare patients
193vs 27029% below
Part D claims
17vs 5569% below

Medians across 539 emergency medicine physicians in Nevada with Dmand AI profiles that report each measure.

Dr. Darzynkiewicz'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. Darzynkiewicz

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

Dr. Robert J. Darzynkiewicz treated 193 Medicare patients in 2024, average age 74

CMS counts 193 Medicare patients who saw Dr. Darzynkiewicz in 2024. The largest group is 75 to 84, with 72 patients. 75% of them have high blood pressure, and 74% have high cholesterol. 21% are also on Medicaid. Their average risk score is 1.81, 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. Darzynkiewicz's median patient age at 53, with 56% women.

Medicare patients, 2024193
Average age74
Average risk score1.81
Also on Medicaid21%

Dr. Darzynkiewicz's Medicare patients by age, 2024

Dr. Darzynkiewicz's Medicare patients by sex, 2024

  • Women10554%
  • Men8846%

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

  1. High blood pressure75%
  2. High cholesterol74%
  3. Arthritis53%
  4. Ischemic heart disease39%
  5. Mood disorders34%
  6. Diabetes33%
  7. Anxiety32%
  8. Chronic kidney disease32%

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

Dr. Darzynkiewicz's patients across all payers

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

Patient panel by age, all payers

Median age 53

Patient panel by sex, all payers

  • Women56%
  • Men44%

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

Dr. Robert J. Darzynkiewicz wrote 152 Medicare Part D claims in 2024

In 2024, Dr. Darzynkiewicz wrote 152 Medicare Part D claims for 94 patients. 92% of them were for generic drugs. CMS names the drug for 17 of them, across 1 drug with 11 or more claims each, at $49 in total drug cost. In 2023, CMS named 28 claims across 2 drugs.

Part D claims, 2024152
Drugs named by CMS1
Total drug cost$49
Part D patients94

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

  • Generic140 claims92%
  • Brand-name12 claims8%

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

  • Opioids13%20 of 152 claims
  • Antibiotics24%37 of 152 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: 282024: 1739%

Drugs named by CMS: 1 in 2024, 2 in 2023.

See all prescribing by Dr. Darzynkiewicz

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

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Dr. Robert J. Darzynkiewicz received $304 in industry payments from 2016 to 2018

CMS Open Payments shows 4 general payments to Dr. Darzynkiewicz from 1 drug or device company from 2016 to 2018. Food and beverage make up the largest share, 100% of the total. Edwards Lifesciences Corporation paid the most, $304.

General payments to Dr. Darzynkiewicz by program year, 2016 to 2018

Companies that paid Dr. Darzynkiewicz the most, 2016 to 2018

Share is of all general payments to this clinician.

See all payments to Dr. Darzynkiewicz

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

Dr. Robert J. Darzynkiewicz graduated from New York Medical College

Dr. Darzynkiewicz graduated from New York Medical College in 1999. Dr. Darzynkiewicz is a member of AAEM, ACEP, AMA and American Telemedicine Association.

  1. Medical schoolNew York Medical College
  2. Board certified in emergency medicineAmerican Board of Emergency Medicine

Source: Dmand AI Professional Profile Data

Dr. Robert J. Darzynkiewicz accepts plans from 18 insurance carriers

Dr. Darzynkiewicz is in network with 18 carriers, including United Healthcare, Aetna and Alliant Health Plans. HMO plans come from the most carriers, 8. Check the plan with the practice before a visit.

  • United Healthcare
  • Aetna
  • Alliant Health Plans
  • Blue Cross Blue Shield of Michigan
  • Elevance
  • HCSC
  • Baylor Scott and White
  • Blue Cross and Blue Shield of Kansas City
  • +10 more carriersWith a free account

Plan types Dr. Darzynkiewicz accepts, by number of carriers

  1. HMO8
  2. PPO8
  3. Medicaid3
  4. POS3
  5. EPO2
  6. Medicare2

Source: Dmand AI Insurance Network Data

Sources for Dr. Robert J. Darzynkiewicz'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)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
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. Robert J. Darzynkiewicz

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. Robert J. Darzynkiewicz's NPI number?

Dr. Robert J. Darzynkiewicz's NPI number is 1811956063. It was assigned on March 17, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Robert J. Darzynkiewicz?

Dr. Robert J. Darzynkiewicz is an emergency medicine physician in Reno, Nevada. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).

Where does Dr. Robert J. Darzynkiewicz practice?

Dr. Darzynkiewicz practices at 1155 Mill Street, Reno, NV 89502. Dr. Darzynkiewicz's primary practice is Renown Regional Medical Center in Reno, Nevada, part of Renown Health. Dmand AI also links Dr. Darzynkiewicz to 1 medical group.

What is Dr. Robert J. Darzynkiewicz's office phone number?

The practice phone on file for Dr. Darzynkiewicz is (775) 982-4100.

What is Dr. Robert J. Darzynkiewicz's medical license number?

Dr. Darzynkiewicz's Nevada license number on file is 10764, one of the licenses on file in 15 states.

Which states has Dr. Robert J. Darzynkiewicz been licensed in?

Dmand AI has state licenses on file for Dr. Darzynkiewicz in Nevada (2003 to 2025), District of Columbia (2023 to 2027), Florida (2018 to 2026), Georgia (2019 to 2026), Hawaii (2021 to 2026), Illinois (2018 to 2026), Kentucky (2019 to 2026), Maryland (2020 to 2026), Michigan (2020 to 2026), Missouri (2020 to 2026), New Mexico (2022 to 2026), Ohio (2020 to 2026), Oklahoma (2021 to 2026), Pennsylvania (2021 to 2026) and Rhode Island (2024 to 2026).

Which hospitals is Dr. Robert J. Darzynkiewicz affiliated with?

Dr. Darzynkiewicz practices at Renown Regional Medical Center in Reno, Nevada.

What medical group is Dr. Robert J. Darzynkiewicz part of?

Dr. Darzynkiewicz is linked to Vituity. Dmand AI links Dr. Darzynkiewicz to 1 more medical group.

Does Dr. Robert J. Darzynkiewicz accept Medicare?

Yes. CMS data shows Dr. Darzynkiewicz billed Medicare for 226 services in 2024.

How many Medicare patients does Dr. Robert J. Darzynkiewicz see?

CMS counts 193 Medicare patients who saw Dr. Darzynkiewicz in 2024, with an average age of 74.

Show 7 more questionsShow fewer questions

Is Dr. Robert J. Darzynkiewicz board certified?

Yes. Dr. Darzynkiewicz is board certified in emergency medicine by the American Board of Emergency Medicine.

What services does Dr. Robert J. Darzynkiewicz bill to Medicare?

In 2024, Dr. Darzynkiewicz's most billed Medicare services were emergency department visit (99285), emergency department visit (99284) and heart test or procedure (93010).

Where did Dr. Robert J. Darzynkiewicz go to medical school?

Dr. Darzynkiewicz graduated from New York Medical College in 1999.

What drugs does Dr. Robert J. Darzynkiewicz prescribe most?

In 2024 Medicare Part D data, Dr. Darzynkiewicz's most prescribed drugs by claims were Oxycodone-Acetaminophen.

Has Dr. Robert J. Darzynkiewicz received payments from drug or device companies?

CMS Open Payments shows $304 in general payments to Dr. Darzynkiewicz from 1 company from 2016 to 2018. The largest total came from Edwards Lifesciences Corporation.

How long has Dr. Robert J. Darzynkiewicz been practicing?

Dr. Darzynkiewicz graduated from medical school in 1999, 27 years ago.

What insurance does Dr. Robert J. Darzynkiewicz accept?

Dr. Darzynkiewicz is in network with 18 carriers, including United Healthcare, Aetna and Alliant Health Plans. HMO plans come from the most carriers, 8. Check the plan with the practice before a visit.

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