Darren M. Kowalski, M.D.
Surgery Physician · Bend, OR
Darren M. Kowalski, M.D. is a surgery physician with a practice address in Bend, Oregon, and NPI 1598859076, issued on Oct 2, 2006. Check the license (Oregon MD22898, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Darren M. Kowalski
- Credential
- M.D.
- Primary taxonomy
- Surgery Physician 208600000X
- License number
- MD22898 OR
Self-reported in NPPES; status is on the state search - Practice location
- 1501 NE Medical Center Dr, Bend, OR 97701
- Phone
- (541) 382-2811
- Enumerated
- Oct 2, 2006
- Record last updated
- Apr 6, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicaid ID
- 287812 OR
- Medicare enrollment
- Enrolled (PECOS I20050517000388); accepts Medicare assignment
- Medical or professional school
- Oregon Health Sciences University School Of Medicine, 1996
- Entity
- Type 1 · individual
Also registered at 1501 NE Medical Center Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Francena Abendroth, MDNeurology Physician1497760995
- John Allen, M.D.Internal Medicine Physician1043304462
- Kurt Andreason, M.D.Ophthalmology Physician1013990027
- Robert Andrews, M.D.Gastroenterology Physician1568805836
- Kathleen Antolak, M.D.Family Medicine Physician1316975741
- Stephen Archer, M.D.Surgery Physician1699750307
Verify Darren M. Kowalski in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD22898Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
18% fewer Medicare Part D claims than the average surgery physician in 2024
121 Medicare Part D claims for 87 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims. 15 claims were for opioids.
Most prescribed
- Gavilyte-C30 claims
- Metronidazole15 claims
- Neomycin Sulfate14 claims
- Oxycodone Hcl14 claims
- Peg-3350 And Electrolytes13 claims
- Gavilyte-G11 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): 90.4 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.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Bend Memorial Clinic PCBend, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Surgery Physician providers in Oregon
There are 524 surgery physician records in Oregon.
Other surgery physician records in Oregon
- Pedro Abdala, MDStayton, OR1700415932
- Shaan Akhtar, M.D.Redmond, OR1790165876
- Shaghayegh Aliabadi, M.D.Portland, OR1083785562
- Julianne Allen, MDMedford, OR1467816363
- Carrie Allison, MDSalem, OR1548487184
- Steffan Anderson, M.D., PH.D.Florence, OR1336292549
- Taylor Anderson, MDPortland, OR1225614688
- John Antolik, MDOregon City, OR1417927351
- Stephen Archer, M.D.Bend, OR1699750307
- Benjamin Arndt, RNFASalem, OR1871156588
Common questions
What is Darren M. Kowalski, M.D.'s NPI number?
Darren M. Kowalski, M.D.'s National Provider Identifier (NPI) is 1598859076, issued on Oct 2, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Darren M. Kowalski, M.D. located?
The NPPES record lists a practice address at 1501 NE Medical Center Dr, Bend, OR, 97701. Phone: (541) 382-2811. Providers update this record themselves, so call before visiting.
How can I verify Darren M. Kowalski, M.D.'s license?
NPPES lists Oregon license number MD22898, as entered by the provider. Search the Oregon Medical Board at https://www.oregon.gov/OMB/Pages/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Darren M. Kowalski, M.D. prescribe under Medicare Part D?
In 2024, Darren M. Kowalski, M.D. had 121 Medicare Part D claims for 87 beneficiaries; the average among surgery physician prescribers was 147. Part D covers Medicare prescriptions only.
What is Darren M. Kowalski, M.D.'s MIPS final score?
The 2023 MIPS final score is 90.4 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.