Semi Ayub, MD - Medicare Rheumatology in Saint Croix Falls, WI

Semi Ayub, MD is a medicare enrolled "Internal Medicine - Rheumatology" physician in Saint Croix Falls, Wisconsin. She graduated from medical school in 2004 and has 20 years of diverse experience with area of expertise as Rheumatology. She is a member of the group practice Allina Health System, St. Croix Regional Medical Center and her current practice location is 235 E State St, Saint Croix Falls, Wisconsin. You can reach out to her office (for appointments etc.) via phone at (715) 483-3221.

Semi Ayub is licensed to practice in Wisconsin (license number 55184) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1487825071.

Contact Information

Semi Ayub, MD
235 E State St,
Saint Croix Falls, WI 54024-4117
(715) 483-3221
(715) 483-0507

Map and Direction




Physician's Profile

Full NameSemi Ayub
GenderFemale
SpecialityRheumatology
Experience20 Years
Location235 E State St, Saint Croix Falls, Wisconsin
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Semi Ayub graduated from medical school in 2004
  NPI Data:
  • NPI Number: 1487825071
  • Provider Enumeration Date: 03/21/2008
  • Last Update Date: 01/04/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 7810174430
  • Enrollment ID: I20150615000348

Medical Identifiers

Medical identifiers for Semi Ayub such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1487825071NPI-NPPES
1487825071MedicaidMN
1487825071MedicaidWI

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RR0500XInternal Medicine - Rheumatology 53857 (Minnesota)Secondary
207RR0500XInternal Medicine - Rheumatology 55184 (Wisconsin)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Abbott Northwestern HospitalMinneapolis, MNHospital
St Croix Regional Medical CtrSaint croix falls, WIHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Allina Health System45875736133101
St. Croix Regional Medical Center9335032184147

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Semi Ayub allows following entities to bill medicare on her behalf.
Entity NameAllina Health System
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1295272342
PECOS PAC ID: 4587573613
Enrollment ID: O20040319000460
Entity NameSt. Croix Regional Medical Center
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1043240922
PECOS PAC ID: 9335032184
Enrollment ID: O20110929000165
Entity NameAllina Health System
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1457657249
PECOS PAC ID: 4587573613
Enrollment ID: O20221213001713

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Semi Ayub is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Semi Ayub, MD
235 E State St,
Saint Croix Falls, WI 54024-4117

Ph: (715) 483-3221
Semi Ayub, MD
235 E State St,
Saint Croix Falls, WI 54024-4117

Ph: (715) 483-3221

Reviews and Comments


Internal Medicine Doctors in Saint Croix Falls, WI

Muhammad Talha Khan, M.D.
Rheumatology
Medicare: Accepting Medicare Assignments
Practice Location: 235 E State St, Saint Croix Falls, WI 54024
Phone: 715-483-3221    Fax: 715-483-0539
James R Kravig, M.D.
Rheumatology
Medicare: Medicare Enrolled
Practice Location: 204 S Adams St, Saint Croix Falls, WI 54024
Phone: 715-483-3221    
Glenn A Nickele, MD
Rheumatology
Medicare: Accepting Medicare Assignments
Practice Location: 216 S Adams St, Saint Croix Falls, WI 54024
Phone: 715-483-3221    Fax: 715-483-0507
Dr. Lucas Pineda Bernal, M.D.
Rheumatology
Medicare: Accepting Medicare Assignments
Practice Location: 235 E State St, Saint Croix Falls, WI 54024
Phone: 715-483-3221    Fax: 715-483-0507
David C Stevens, M.D.
Rheumatology
Medicare: Accepting Medicare Assignments
Practice Location: 204 S Adams St, Saint Croix Falls, WI 54024
Phone: 715-483-3221    
Carl W Hansen, M.D.
Rheumatology
Medicare: Not Enrolled in Medicare
Practice Location: 204 S Adams St, Saint Croix Falls, WI 54024
Phone: 715-483-3221    

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.