Arpad S. Olajos, MD
Internal Medicine Physician · Madison, WI
Arpad S. Olajos, MD is an internal medicine physician with a practice address in Madison, Wisconsin, and NPI 1568579936, issued on Aug 23, 2006. Check the license (Wisconsin 43221, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Arpad S. Olajos
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 43221 WI
036-103235 IL
Self-reported in NPPES; status is on the state search - Practice location
- 3102 Meriter Way, Madison, WI 53719
- Phone
- (608) 417-8800
- Enumerated
- Aug 23, 2006
- Record last updated
- Mar 30, 2012 (not updated in 14 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20051012001050); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 3102 Meriter Way
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Cara Baumberger, RNFamily Nurse Practitioner1073289344
- N Casper, MDInternal Medicine Physician1003883786
- Kimberly Curran, APNPNurse Practitioner1154877165
- Robert Golden, MDFamily Medicine Physician1013986199
- Dana Johnson, MDPediatrics Physician1518903897
- Wendy Mortimore, MDInternal Medicine Physician1841242674
Verify Arpad S. Olajos in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 43221Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
76% more Medicare Part D claims than the average internal medicine physician in 2024
5,596 Medicare Part D claims for 517 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 308 claims were for opioids.
Most prescribed
- Atorvastatin Calcium287 claims
- Hydrochlorothiazide192 claims
- Lisinopril187 claims
- Amlodipine Besylate182 claims
- Eliquis148 claims
- Omeprazole146 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.
Bills Medicare through one group practice
- Meriter Hospital IncMadison, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
417 internal medicine physician records list a practice address in Madison
They are 417 of the 15,014 NPPES records with a practice address in Madison, and 2,078 internal medicine physician records in Wisconsin.
All 417 in Madison → All 2,078 in Wisconsin → Every provider in Madison →
Other internal medicine physician records in Wisconsin
- Sheetal Aatrai, MDMarshfield, WI1417568965
- Khalid Abdelgadir, MDManitowoc, WI1407433295
- Mesfin Abdissa, MDMilwaukee, WI1376579417
- Anas Abed, MDMadison, WI1659002566
- Margaret Abel, MDRhinelander, WI1477590487
- Mesfin Abera, M.D.Beaver Dam, WI1972852390
- Vidthya Abraham, M.D.Madison, WI1861836058
- Ismael Abu Limon, MDGreenfield, WI1467945543
- Amjed Abu Muhanna, MDMarinette, WI1861514135
- Satish Achanti, MDAppleton, WI1982711198
Common questions
What is Arpad S. Olajos, MD's NPI number?
Arpad S. Olajos, MD's National Provider Identifier (NPI) is 1568579936, issued on Aug 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Arpad S. Olajos, MD located?
The NPPES record lists a practice address at 3102 Meriter Way, Madison, WI, 53719. Phone: (608) 417-8800. Providers update this record themselves, so call before visiting.
How can I verify Arpad S. Olajos, MD's license?
NPPES lists Wisconsin license number 43221, 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 Arpad S. Olajos, MD prescribe under Medicare Part D?
In 2024, Arpad S. Olajos, MD had 5,596 Medicare Part D claims for 517 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.