Nathan J. Kopydlowski, M.D.
Orthopaedic Surgery Physician · Grafton, WI
Nathan J. Kopydlowski, M.D. is an orthopaedic surgery physician with a practice address in Grafton, Wisconsin, and NPI 1255712741, issued on Jun 10, 2015. Check the license (Wisconsin 22741, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Nathan J. Kopydlowski
- Credential
- M.D.
- Primary taxonomy
- Orthopaedic Surgery Physician 207X00000X
- License number
- 22741 WI
Self-reported in NPPES; status is on the state search - Practice location
- 975 Port Washington RD, Grafton, WI 53024
- Phone
- (262) 329-1000
- Enumerated
- Jun 10, 2015
- Record last updated
- Sep 2, 2025
- Medicaid ID
- 100212401 WI
- Medicare enrollment
- Enrolled (PECOS I20220915000859); accepts Medicare assignment
- Medical or professional school
- University Of Michigan Medical School, 2015
- Entity
- Type 1 · individual
Also registered at 975 Port Washington RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Hamid Afsari, D.O.Hospitalist Physician1053672048
- Muhammed Al-Fawakhiri, MDInternal Medicine Physician1942276613
- Beverly Altman, LMTMassage Therapist1447888789
- Claudia Altmann, MDInfectious Disease Physician1386691756
- Peter Andrew, AAAnesthesiologist Assistant1821704545
- Patrick AndrewsPhysical Therapist1689481962
Verify Nathan J. Kopydlowski in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 22741Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
69% more Medicare Part D claims than the average orthopaedic surgery physician in 2024
584 Medicare Part D claims for 240 beneficiaries, against an average of 346 among the 16,516 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 89 claims were for opioids.
Most prescribed
- Meloxicam219 claims
- Oxycodone Hcl74 claims
- Metoclopramide Hcl69 claims
- Gabapentin57 claims
- Omeprazole49 claims
- Diclofenac Sodium33 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.
Industry payments in 2024: $363.00
3 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
- Aurora Advanced Healthcare, Inc.Grafton, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
8 orthopaedic surgery physician records list a practice address in Grafton
They are 8 of the 459 NPPES records with a practice address in Grafton, and 656 orthopaedic surgery physician records in Wisconsin.
All 8 in Grafton → All 656 in Wisconsin → Every provider in Grafton →
Other orthopaedic surgery physician records in Wisconsin
- Faruk Abuzzahab, MDWausau, WI1558359422
- Gerard Adler, MDOconomowoc, WI1891703443
- William Albiero, M.D.Green Bay, WI1033451588
- Kashif Ali, MDMadison, WI1477887453
- Mhd Alsawaf, MBBS, MDPleasant Prairie, WI1144411653
- Obioma Amajoyi, M.D.Madison, WI1447516018
- Michael Anderson, MDGrafton, WI1558353243
- Paul Anderson, MDVerona, WI1205891959
- Scott Anderson, M.D.Madison, WI1659320422
- Steven Anderson, M.D.West Allis, WI1285648691
Common questions
What is Nathan J. Kopydlowski, M.D.'s NPI number?
Nathan J. Kopydlowski, M.D.'s National Provider Identifier (NPI) is 1255712741, issued on Jun 10, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Nathan J. Kopydlowski, M.D. located?
The NPPES record lists a practice address at 975 Port Washington RD, Grafton, WI, 53024. Phone: (262) 329-1000. Providers update this record themselves, so call before visiting.
How can I verify Nathan J. Kopydlowski, M.D.'s license?
NPPES lists Wisconsin license number 22741, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Nathan J. Kopydlowski, M.D. prescribe under Medicare Part D?
In 2024, Nathan J. Kopydlowski, M.D. had 584 Medicare Part D claims for 240 beneficiaries; the average among orthopaedic surgery physician prescribers was 346. Part D covers Medicare prescriptions only.
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.