Reid A. Sousek, MD
Family Medicine Physician · Appleton, WI
Reid A. Sousek, MD is a family medicine physician with a practice address in Appleton, Wisconsin, and NPI 1275501041, issued on Mar 9, 2006. Check the license (Wisconsin 48401-020, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Reid A. Sousek
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 48401-020 WI
Self-reported in NPPES; status is on the state search - Practice location
- 3329 N Richmond St, Appleton, WI 54911
- Phone
- (920) 380-2720
- Enumerated
- Mar 9, 2006
- Record last updated
- Jul 15, 2026
- Medicaid ID
- 34818800 WI
- Medicare enrollment
- Enrolled (PECOS I20060220000574); accepts Medicare assignment
- Medical or professional school
- Loyola University Of Chicago, Stritch School Of Medicine, 2004
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,765 in Wisconsin → Look up another NPI →
Also registered at 3329 N Richmond St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ashraf AbbasFamily Medicine Physician1558723775
- Karen Adler-Fischer, MDFamily Medicine Physician1184619694
- Maria Editha Bautista-Santos, MDFamily Medicine Physician1386638393
- Monica Bayer, DNP, APRN, FNP-BCFamily Nurse Practitioner1659050003
- William Carlson, MDFamily Medicine Physician1659365567
- Lynn Dahlke, APNPFamily Nurse Practitioner1235324849
Verify Reid A. Sousek in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 48401-020Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
85% fewer Medicare Part D claims than the average family medicine physician in 2024
516 Medicare Part D claims for 373 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Prednisone153 claims
- Doxycycline Hyclate71 claims
- Cephalexin62 claims
- Amoxicillin-Clavulanate Potass32 claims
- Azithromycin16 claims
- Amoxicillin12 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): 77.8 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).
Bills Medicare through one group practice
- Emergency Medicine Specialists SCNeenah, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Reid A. Sousek among 3,765 family medicine physician records in Wisconsin
Reid A. Sousek, MD is one of 3,765 family medicine physician records with a practice address in Wisconsin. 75% 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 10% of them.
- NPI issued2006 · 10% of these records are older, 46% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2004 · median 2007 among the 2,347 with a school on file
- Record last updated2026 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
108 family medicine physician records list a practice address in Appleton
They are 108 of the 3,249 NPPES records with a practice address in Appleton, and 3,765 family medicine physician records in Wisconsin.
All 3,765 in Wisconsin → Every provider in Appleton → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Karen Adler-Fischer, MDAppleton, WI 549111184619694
- Maria Editha Bautista-Santos, MDAppleton, WI 549111386638393
- William Carlson, MDAppleton, WI 549111659365567
- Craig Hendel, M.D.Appleton, WI 549111427023084
- Nancy Homburg, M.D.Appleton, WI 549111720073208
- Tracey Hooker, D.O.Appleton, WI 549111730141029
- Richard Johnson, MDAppleton, WI 549111669466231
- Michael Krueger, MDAppleton, WI 549111477547040
Common questions
What is Reid A. Sousek, MD's NPI number?
Reid A. Sousek, MD's National Provider Identifier (NPI) is 1275501041, issued on Mar 9, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Reid A. Sousek, MD located?
The NPPES record lists a practice address at 3329 N Richmond St, Appleton, WI, 54911. Phone: (920) 380-2720. Providers update this record themselves, so call before visiting.
How can I verify Reid A. Sousek, MD's license?
NPPES lists Wisconsin license number 48401-020, 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 Reid A. Sousek, MD prescribe under Medicare Part D?
In 2024, Reid A. Sousek, MD had 516 Medicare Part D claims for 373 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Reid A. Sousek, MD's MIPS final score?
The 2023 MIPS final score is 77.8 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.