Mark K. Aasen, MD
Interventional Pain Medicine Physician · Greenfield, WI
Mark K. Aasen, MD is an interventional pain medicine physician with a practice address in Greenfield, Wisconsin, and NPI 1184609356, issued on Dec 10, 2005. Check the license (Wisconsin 37593-020, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Mark K. Aasen
- Credential
- MD
- Primary taxonomy
- Interventional Pain Medicine Physician 208VP0014X
- License number
- 37593-020 WI
Self-reported in NPPES; status is on the state search - Practice location
- 4131 W. Loomis RD, Greenfield, WI 53221
- Phone
- (414) 325-7246
- Enumerated
- Dec 10, 2005
- Record last updated
- Jan 29, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (414) 325-3770
- Medicaid ID
- 32234600 WI
- Medicare enrollment
- Enrolled (PECOS I20040510001035); accepts Medicare assignment
- Medical or professional school
- University Of Wisconsin School Of Medicine, 1987
- Entity
- Type 1 · individual
8 nearest interventional pain medicine physician records → All 44 in Wisconsin → Look up another NPI →
Also registered at 4131 W. Loomis RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Luciana Berceanu, MDPain Medicine (Anesthesiology) Physician1629033055
- Donald Harvey, MDPain Medicine (Anesthesiology) Physician1689640617
- Joanne Kostowicz-Volm, APNPFamily Nurse Practitioner1255403028
- Jill Pocius, APNPNurse Practitioner1962625236
- Bhupinder Saini, MDPain Medicine (Anesthesiology) Physician1063489797
Verify Mark K. Aasen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 37593-020Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average interventional pain medicine physician in 2024
34 Medicare Part D claims for 22 beneficiaries, against an average of 2,306 among the 2,100 providers of this specialty who prescribed in Part D. 19 claims were for opioids.
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 practice group's MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $616.21
11 payments; by number, the most common kind was food and beverage; the largest payer was Curonix LLC. The 1,966 providers of this specialty with any payment received $3,889.53 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
- Pain Physicians OF Wisconsin SCWaukesha, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark K. Aasen among 44 interventional pain medicine physician records in Wisconsin
Mark K. Aasen, MD is one of 44 interventional pain medicine physician records with a practice address in Wisconsin. 89% 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, 70% newer
- In a Medicare fileYes · 89% of these records are
- In the CMS Doctors and Clinicians fileYes · 86% of these records are
- Graduated1987 · median 1999 among the 38 with a school on file
- Record last updated2014 · 41% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208VP0014X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Interventional Pain Medicine Physician providers in Wisconsin
There are 44 interventional pain medicine physician records in Wisconsin.
All 44 in Wisconsin → Every provider in Greenfield → Interventional Pain Medicine Physician nationwide →
The 8 interventional pain medicine physician records with the nearest ZIP codes
- Saleem Awan, MDMilwaukee, WI 532211275500910
- Nileshkumar Patel, MDGreenfield, WI 532211265530463
- Nancy Bratanow, M.D.Milwaukee, WI 532261346230612
- Adegboyega Lawal, M.D.Milwaukee, WI 532151093799504
- Navtej Purewal, MDMilwaukee, WI 532151922082312
- Shahyar Radafshar, M.D.Milwaukee, WI 532151841368073
- Arslan Zaidi, M.D.Milwaukee, WI 532151922397660
- Brian Curtin, DOGlendale, WI 532121093001851
Common questions
What is Mark K. Aasen, MD's NPI number?
Mark K. Aasen, MD's National Provider Identifier (NPI) is 1184609356, issued on Dec 10, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Mark K. Aasen, MD located?
The NPPES record lists a practice address at 4131 W. Loomis RD, Greenfield, WI, 53221. Phone: (414) 325-7246. Providers update this record themselves, so call before visiting.
How can I verify Mark K. Aasen, MD's license?
NPPES lists Wisconsin license number 37593-020, 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 Mark K. Aasen, MD prescribe under Medicare Part D?
In 2024, Mark K. Aasen, MD had 34 Medicare Part D claims for 22 beneficiaries; the average among interventional pain medicine physician prescribers was 2,306. Part D covers Medicare prescriptions only.
What is Mark K. Aasen, MD's MIPS final score?
The 2023 MIPS final score is 100 of 100, reported for the practice group. 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.