Semi Ayub, M.D
Rheumatology Physician · Saint Croix Falls, WI
Semi Ayub, M.D is a rheumatology physician with a practice address in Saint Croix Falls, Wisconsin, and NPI 1487825071, issued on Mar 21, 2008. Check the license (Wisconsin 55184, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Semi Ayub
- Credential
- M.D
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License numbers
- 55184 WI
53857 MN
Self-reported in NPPES; status is on the state search - Practice location
- 235 E State St, Saint Croix Falls, WI 54024
- Phone
- (715) 483-3221
- Enumerated
- Mar 21, 2008
- Record last updated
- Jan 4, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (715) 483-0507
- Medicaid IDs
- 1487825071 MN
1487825071 WI - Medicare enrollment
- Enrolled (PECOS I20150615000348); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest rheumatology physician records → All 154 in Wisconsin → Look up another NPI →
Also registered at 235 E State St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jodi Arrowood, PHARMDPharmacist1487056420
- Heather Ash, NPNurse Practitioner1154783868
- Penny Bearheart, LPC, SACMental Health Counselor1881171601
- Jennifer Beauvais, NPNurse Practitioner1992169270
- Erik Belgum, SLPSpeech-Language Pathologist1497972483
- Sarah Bengtson, NPFamily Nurse Practitioner1316539315
Verify Semi Ayub in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 55184Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
19% fewer Medicare Part D claims than the average rheumatology physician in 2024
1,600 Medicare Part D claims for 243 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.
Most prescribed
- Prednisone323 claims
- Hydroxychloroquine Sulfate261 claims
- Methotrexate207 claims
- Sulfasalazine131 claims
- Allopurinol119 claims
- Celecoxib74 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): 83.5 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 2 group practices
- Allina Health SystemAnnandale, MN
- St. Croix Regional Medical CenterLindstrom, MN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Semi Ayub among 154 rheumatology physician records in Wisconsin
Semi Ayub, M.D is one of 154 rheumatology physician records with a practice address in Wisconsin. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 62% of them.
- NPI issued2008 · 62% of these records are older, 34% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2004 · median 2004 among the 97 with a school on file
- Record last updated2021 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RR0500X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
2 rheumatology physician records list a practice address in Saint Croix Falls
They are 2 of the 157 NPPES records with a practice address in Saint Croix Falls, and 154 rheumatology physician records in Wisconsin.
All 154 in Wisconsin → Every provider in Saint Croix Falls → Rheumatology Physician nationwide →
The 8 rheumatology physician records with the nearest ZIP codes
- Lucas Pineda Bernal, M.D.Saint Croix Falls, WI 540241437582475
- Daniel Malone, MDBeaver Dam, WI 539161346216371
- Virginia Wilson, MDBeaver Dam, WI 539161558312900
- Joanne Kriege, MDBaraboo, WI 539131033152061
- Dirk Nuenninghoff, MDPortage, WI 539011538109053
- Suraiya Afroz, D.O.Manitowoc, WI 542201750776266
- Sarah Keller, M.D.Sturgeon Bay, WI 542351083815328
- Safiyya Abdulkadir, MDMadison, WI 537921093455826
Common questions
What is Semi Ayub, M.D's NPI number?
Semi Ayub, M.D's National Provider Identifier (NPI) is 1487825071, issued on Mar 21, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Semi Ayub, M.D located?
The NPPES record lists a practice address at 235 E State St, Saint Croix Falls, WI, 54024. Phone: (715) 483-3221. Providers update this record themselves, so call before visiting.
How can I verify Semi Ayub, M.D's license?
NPPES lists Wisconsin license number 55184, 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 Semi Ayub, M.D prescribe under Medicare Part D?
In 2024, Semi Ayub, M.D had 1,600 Medicare Part D claims for 243 beneficiaries; the average among rheumatology physician prescribers was 1,978. Part D covers Medicare prescriptions only.
What is Semi Ayub, M.D's MIPS final score?
The 2023 MIPS final score is 83.5 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.