NPPES file of Aug 9, 2026

Robert J. Darzynkiewicz, MD

Emergency Medicine Physician · Reno, NV

Robert J. Darzynkiewicz, MD is an emergency medicine physician with a practice address in Reno, Nevada, and NPI 1811956063, issued on Mar 17, 2006. Check the license (Nevada 10764, as entered in NPPES) on the Nevada State Board of Medical Examiners; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1811956063
Name
Robert J. Darzynkiewicz
Credential
MD
Primary taxonomy
Emergency Medicine Physician 207P00000X
License numbers
10764 NV
0101276580 VA
Self-reported in NPPES; status is on the state search
Practice location
1155 Mill St, Reno, NV 89502
Phone
(775) 982-4100
Enumerated
Mar 17, 2006
Record last updated
Oct 14, 2022
Medicaid ID
100502506 NV
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 1155 Mill St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Janeen Abe, PHARMDAmbulatory Care Pharmacist1184266298
  2. David John Acierto, D.O.Internal Medicine Physician1447563622
  3. Rommel Adajar, MDInternal Medicine Physician1336168707
  4. Phyllis Ager, MDRadiation Oncology Physician1962405456
  5. Thomas Agney, M.D.Hospitalist Physician1558334706
  6. Ricardo Aguirre-Escobar, PHARMDPharmacist1942907472

Verify Robert J. Darzynkiewicz in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNevada State Board of Medical Examiners
    Search for license 10764
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Nevada license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

33% fewer Medicare Part D claims than the average emergency medicine physician in 2024

152 Medicare Part D claims for 94 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 20 claims were for opioids.

  1. Robert Darzynkiewicz152
  2. Specialty average226

Most prescribed

  1. Oxycodone-Acetaminophen17 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The MIPS final score for 2023 (Medicare payment program): 91.6 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score85.1
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%96.9
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Robert J. Darzynkiewicz among 575 emergency medicine physician records in Nevada

Robert J. Darzynkiewicz, MD is one of 575 emergency medicine physician records with a practice address in Nevada. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.

  • NPI issued2006 · 5% of these records are older, 64% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileNo · 64% of these records are
  • Record last updated2022 · 45% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Nevada practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Emergency Medicine Physician providers in Nevada

There are 575 emergency medicine physician records in Nevada.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Mark Baier, MDReno, NV 895021457310377
  2. Thea Berning, MDReno, NV 895021033178249
  3. Kevin Brown, DOReno, NV 895021528027455
  4. Curtis Brown, MDReno, NV 895021760441695
  5. Cari Croghan, MDReno, NV 895021760441901
  6. Gary Gansert, MDReno, NV 895021124087390
  7. Rebecca Gelber, MDReno, NV 895021619936812
  8. Mark Gunderson, MDReno, NV 895021588623789

Common questions

What is Robert J. Darzynkiewicz, MD's NPI number?

Robert J. Darzynkiewicz, MD's National Provider Identifier (NPI) is 1811956063, issued on Mar 17, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Robert J. Darzynkiewicz, MD located?

The NPPES record lists a practice address at 1155 Mill St, Reno, NV, 89502. Phone: (775) 982-4100. Providers update this record themselves, so call before visiting.

How can I verify Robert J. Darzynkiewicz, MD's license?

NPPES lists Nevada license number 10764, as entered by the provider. Search the Nevada State Board of Medical Examiners at https://medboard.nv.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Robert J. Darzynkiewicz, MD prescribe under Medicare Part D?

In 2024, Robert J. Darzynkiewicz, MD had 152 Medicare Part D claims for 94 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.

What is Robert J. Darzynkiewicz, MD's MIPS final score?

The 2023 MIPS final score is 91.6 of 100. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.