Michael John Krnacik, MD, PH.D
Orthopaedic Surgery Physician · Roseburg, OR
Michael John Krnacik, MD, PH.D is an orthopaedic surgery physician with a practice address in Roseburg, Oregon, and NPI 1902880024, issued on Dec 1, 2005. Check the license (Oregon MD23747, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Michael John Krnacik
- Credential
- MD, PH.D
- Primary taxonomy
- Orthopaedic Surgery Physician 207X00000X
- License number
- MD23747 OR
Self-reported in NPPES; status is on the state search - Practice location
- 277 Medical Loop, Roseburg, OR 97470
- Phone
- (541) 677-2141
- Enumerated
- Dec 1, 2005
- Record last updated
- Jan 13, 2026
- Fax
- (541) 677-2136
- Medicaid ID
- 286675 OR
- Medicare enrollment
- Enrolled (PECOS I20070108000476); accepts Medicare assignment
- Medical or professional school
- Baylor College Of Medicine, 1997
- Entity
- Type 1 · individual
8 nearest orthopaedic surgery physician records → All 335 in Oregon → Look up another NPI →
Verify Michael John Krnacik in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD23747Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
21% fewer Medicare Part D claims than the average orthopaedic surgery physician in 2024
273 Medicare Part D claims for 124 beneficiaries, against an average of 346 among the 16,516 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims. 137 claims were for opioids.
Most prescribed
- Sulfamethoxazole-Trimethoprim69 claims
- Hydrocodone-Acetaminophen62 claims
- Oxycodone-Acetaminophen46 claims
- Tramadol Hcl20 claims
- Mupirocin19 claims
- Linezolid13 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.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $194.76
2 payments; by number, the most common kind was food and beverage; the largest payer was Stryker Corporation. The 15,003 providers of this specialty with any payment received $23,022.89 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Umpqua Orthopedics PCRoseburg, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael John Krnacik among 335 orthopaedic surgery physician records in Oregon
Michael John Krnacik, MD, PH.D is one of 335 orthopaedic surgery physician records with a practice address in Oregon. 61% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 83% newer
- In a Medicare fileYes · 61% of these records are
- In the CMS Doctors and Clinicians fileYes · 49% of these records are
- Graduated1997 · median 2002 among the 165 with a school on file
- Record last updated2026 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207X00000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Orthopaedic Surgery Physician providers in Oregon
There are 335 orthopaedic surgery physician records in Oregon.
All 335 in Oregon → Every provider in Roseburg → Orthopaedic Surgery Physician nationwide →
The 8 orthopaedic surgery physician records with the nearest ZIP codes
- William Streitz, MDRoseburg, OR 974701720009129
- Thomas Thompson, MDRoseburg, OR 974701538118799
- Robert Kloepper, M.D.Roseburg, OR 974711295705481
- Cary Sanders, MDRoseburg, OR 974711780782367
- Susan Williams, MDRoseburg, OR 974711558395053
- Richard Jany, MDReedsport, OR 974671316922602
- Thomas Hasbach, M.D.Springfield, OR 974771437123056
- Robb Larsen, MDSpringfield, OR 974771396738274
Common questions
What is Michael John Krnacik, MD, PH.D's NPI number?
Michael John Krnacik, MD, PH.D's National Provider Identifier (NPI) is 1902880024, issued on Dec 1, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Michael John Krnacik, MD, PH.D located?
The NPPES record lists a practice address at 277 Medical Loop, Roseburg, OR, 97470. Phone: (541) 677-2141. Providers update this record themselves, so call before visiting.
How can I verify Michael John Krnacik, MD, PH.D's license?
NPPES lists Oregon license number MD23747, 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 Michael John Krnacik, MD, PH.D prescribe under Medicare Part D?
In 2024, Michael John Krnacik, MD, PH.D had 273 Medicare Part D claims for 124 beneficiaries; the average among orthopaedic surgery physician prescribers was 346. Part D covers Medicare prescriptions only.
What is Michael John Krnacik, MD, PH.D's MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
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.