Brian Neil Guttormsen, MD
Interventional Cardiology Physician · Appleton, WI
Brian Neil Guttormsen, MD is an interventional cardiology physician with a practice address in Appleton, Wisconsin, and NPI 1629045232, issued on Mar 2, 2006. Check the license (Wisconsin 44932, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Brian Neil Guttormsen
- Credential
- MD
- Primary taxonomy
- Interventional Cardiology Physician 207RI0011X
- License number
- 44932 WI
Self-reported in NPPES; status is on the state search - Practice location
- 5045 W Grande Market Dr, Appleton, WI 54913
- Phone
- (920) 886-9380
- Enumerated
- Mar 2, 2006
- Record last updated
- Mar 16, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (920) 886-9381
- Medicare enrollment
- Enrolled (PECOS I20050929000269); accepts Medicare assignment
- Medical or professional school
- Medical College Of Wisconsin, 2001
- Entity
- Type 1 · individual
8 nearest interventional cardiology physician records → All 129 in Wisconsin → Look up another NPI →
Also registered at 5045 W Grande Market Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Peter Ackell, MDInterventional Cardiology Physician1710937115
- Kristina Almanza, APRNNurse Practitioner1376386722
- Laura Butch, NPNurse Practitioner1952974206
- Carrie Chapman, M.D.Cardiovascular Disease Physician1396703732
- Erin Diedrick, PA-CPhysician Assistant1467980540
- Megan Froiland, PA-CPhysician Assistant1194580944
Verify Brian Neil Guttormsen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 44932Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% more Medicare Part D claims than the average interventional cardiology physician in 2024
5,805 Medicare Part D claims for 896 beneficiaries, against an average of 3,179 among the 6,605 providers of this specialty who prescribed in Part D. Brand-name drugs were 24% of claims.
Most prescribed
- Eliquis789 claims
- Metoprolol Succinate469 claims
- Furosemide463 claims
- Metoprolol Tartrate428 claims
- Spironolactone396 claims
- Atorvastatin Calcium342 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 practice group's MIPS final score for 2023 (Medicare payment program): 78.2 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: $1,148.58
36 payments; by number, the most common kind was food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. The 6,394 providers of this specialty with any payment received $7,062.29 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 2 group practices
- Ascension Calumet Hospital IncChilton, WI
- Ascension Medical Group-Fox Valley Wisconsin IncNew London, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Brian Neil Guttormsen among 129 interventional cardiology physician records in Wisconsin
Brian Neil Guttormsen, MD is one of 129 interventional cardiology physician records with a practice address in Wisconsin. 92% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 44% newer
- In a Medicare fileYes · 92% of these records are
- In the CMS Doctors and Clinicians fileYes · 86% of these records are
- Graduated2001 · median 1998 among the 111 with a school on file
- Record last updated2020 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0011X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Interventional Cardiology Physician providers in Wisconsin
There are 129 interventional cardiology physician records in Wisconsin.
All 129 in Wisconsin → Every provider in Appleton → Interventional Cardiology Physician nationwide →
The 8 interventional cardiology physician records with the nearest ZIP codes
- Peter Ackell, MDAppleton, WI 549131710937115
- Douglas Mielke, MDAppleton, WI 549131104878149
- Thomas Tamlyn, MDAppleton, WI 549131831176338
- Abdallah Malkawi, MDAppleton, WI 549111124505730
- Cherian Varghese, M.D.Appleton, WI 549111689870370
- Kingston Okrah, MDOshkosh, WI 549041528222312
- Qais Radaideh, M.D.Oshkosh, WI 549041063829844
- Debanshu Roy, M.D.Oshkosh, WI 549041992125751
Common questions
What is Brian Neil Guttormsen, MD's NPI number?
Brian Neil Guttormsen, MD's National Provider Identifier (NPI) is 1629045232, issued on Mar 2, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Brian Neil Guttormsen, MD located?
The NPPES record lists a practice address at 5045 W Grande Market Dr, Appleton, WI, 54913. Phone: (920) 886-9380. Providers update this record themselves, so call before visiting.
How can I verify Brian Neil Guttormsen, MD's license?
NPPES lists Wisconsin license number 44932, 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 Brian Neil Guttormsen, MD prescribe under Medicare Part D?
In 2024, Brian Neil Guttormsen, MD had 5,805 Medicare Part D claims for 896 beneficiaries; the average among interventional cardiology physician prescribers was 3,179. Part D covers Medicare prescriptions only.
What is Brian Neil Guttormsen, MD's MIPS final score?
The 2023 MIPS final score is 78.2 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.