SEMI AYUB M.D
NPI 1487825071
Internal Medicine - Rheumatology in Saint Croix Falls, WI

Q: What is Semi Ayub's NPI number?

The NPI number for Semi Ayub is 1487825071. It was assigned to this individual provider in the NPPES registry on March 21, 2008.

Q: What is Semi Ayub's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.

Q: When was this NPI record last updated?

The NPPES record for Semi Ayub was last updated on January 4, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since March 21, 2008PECOS EnrolledAccepts Medicare Assignment

83.53/100

CMS Quality Rating

235 E STATE ST, SAINT CROIX FALLS, WI 54024(715) 483-3221(715) 483-0507 Get Directions Write a Review

NPPES record last updated: January 4, 2021. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jan 4, 2021, Dec 28, 2020 (2 updates tracked since 2020).

On this page

About Semi Ayub M.d NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

SEMI AYUB M.D (NPI 1487825071) is an individual rheumatology provider in Saint Croix Falls, Wisconsin, licensed in Wisconsin (55184) and active in the NPI registry since March 2008. She is enrolled in Medicare PECOS, is affiliated with Abbott Northwestern Hospital, and maintains a secondary practice location in Plymouth.

NPPES Registry Identity

NPI1487825071

Entity TypeIndividualFemale

Primary Taxonomy207RR0500X

Provider Legal NameSEMI AYUBCredential: M.D

Location Address235 E STATE STSaint Croix Falls, WI 54024-4117

Mailing Address235 E State StSaint Croix Falls, WI 54024-4117 · (715) 483-3221 · Fax (715) 483-0507

Phone(715) 483-3221

Fax(715) 483-0507

Sole ProprietorNo

Medical School CMSOtherGraduated 2004

Enumeration DateMarch 21, 2008

Last NPPES UpdateJanuary 4, 20212 updates tracked since enumeration

NPPES CertifiedJanuary 4, 2021

✔ NPI 1487825071 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · RheumatologyAllopathic & Osteopathic Physicians

Taxonomy Code207RR0500X

Licenses✔ Licensed in WI · 55184✔ Licensed in MN · 53857

Definition

An internist who treats diseases of joints, muscle, bones and tendons. This specialist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and collagen diseases.

235 E STATE ST, Saint Croix Falls, WI 54024

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Secondary Practice Location 1

Location 12855 Campus Dr Ste 400Plymouth, MN 55441-2659 · Phone (763) 577-7400

Other Identifiers 2

Medicaid1487825071WI

Medicaid1487825071MN

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include HealthPartners.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Semi Ayub M.d is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7810174430

PECOS Enrollment IDI20150615000348

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show Semi Ayub reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

St. Croix Regional Medical Center

Same address

Critical Access

235 STATE ST
Saint Croix Falls, WI 54024

Reassigned Medicare billing, Minnesota enrollment
241 clinicians in this Medicare group

NPI 1043240922 (715) 483-3221

Allina Health System

19 mi

Family Medicine

1540 LAKE ST S
Forest Lake, MN 55025

Reassigned Medicare billing, Minnesota enrollment
2,609 clinicians in this Medicare group

NPI 1447556261 (651) 464-7100

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 14

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

118 services79 patients

Red blood cell sedimentation rate, to detect inflammation, automated 85652

The Red Blood Cell Sedimentation Rate is a test that helps detect inflammation in the body. It's automated, meaning a machine does the work. This test measures how fast red blood cells settle at the bottom of a tube in an hour. A faster rate may indicate inflammation.

90 services65 patients

Insertion of needle into vein for collection of blood sample 36415

This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.

87 services66 patients

Measurement c-reactive protein for detection of infection or inflammation 86140

C-reactive protein (CRP) test is a blood test that checks for signs of inflammation or infection in the body. High levels of CRP often suggest that there's inflammation or a bacterial infection. This test helps in monitoring and managing conditions like arthritis and heart disease.

87 services63 patients

Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 85025

A Complete Blood Cell Count is a common test that measures various components of the blood, including red cells (carry oxygen), white cells (fight infection), and platelets (help blood clot). An automated test ensures accuracy. The differential count provides detailed information about white cell types.

70 services51 patients

Liver enzyme (sgot), level 84450

A Liver Enzyme (SGOT) Level test is a simple blood test used to measure the amount of certain enzymes in your blood. These enzymes are normally found in liver cells. If the liver is damaged or diseased, these enzymes can leak into your bloodstream, indicating potential liver issues.

65 services51 patients

Liver enzyme (sgpt), level 84460

A liver enzyme (SGPT) level test is a blood test that checks the health of your liver. SGPT is an enzyme found in your liver cells. If your liver is damaged or inflamed, SGPT can leak into your bloodstream, raising the enzyme level. This test helps identify liver diseases early.

65 services51 patients

Blood creatinine level 82565

A blood creatinine level test measures the amount of creatinine in your blood. Creatinine is a waste product that your body produces when it uses energy. High levels may indicate that your kidneys aren't working properly. This test is often used to monitor kidney health.

64 services51 patients

Measurement of complement (immune system proteins), antigen, 86160

The measurement of complement (immune system proteins) and antigen is a blood test. It helps to assess how your immune system is functioning. Complement proteins play a role in your body's immune response, and antigens trigger this response. This test helps in diagnosing and monitoring certain diseases.

32 services13 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

26 services26 patients

Creatine kinase (cardiac enzyme) level, total 82550

The total Creatine Kinase (CK) level test is a blood test that helps assess the health of your heart. It measures an enzyme called CK that's released into the bloodstream when heart or other muscle tissue is damaged. High levels may indicate a heart attack or muscle disorder.

20 services18 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

20 services18 patients

Uric acid level, blood 84550

A blood uric acid level test measures the amount of uric acid in your blood. Uric acid is a waste product that your body produces when it breaks down purines, substances found in your body and in certain foods. High levels may lead to gout or kidney stones.

14 services12 patients

Vitamin d-3 level 82306

A Vitamin D-3 level test measures the amount of Vitamin D-3, a crucial nutrient, in your body. This test helps identify if your levels are too low or too high. Low levels may lead to bone weakness, while high levels could harm your kidneys. It's a simple blood test.

11 services11 patients

Hospital Affiliations CMS Care Compare 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Abbott Northwestern Hospital

Acute Care Hospitals · Minneapolis, MN

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number240057

Location800 East 28th StreetMinneapolis, MN 55407 · Hennepin County

Emergency services Birthing friendly

Buffalo Hospital

Acute Care Hospitals · Buffalo, MN

5/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number240076

Location303 Catlin StreetBuffalo, MN 55313 · Wright County

Birthing friendly

St Francis Regional Medical Center

Acute Care Hospitals · Shakopee, MN

4/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number240104

Location1455 St Francis AvenueShakopee, MN 55379 · Scott County

Emergency services Birthing friendly

Mercy Hospital

Acute Care Hospitals · Coon Rapids, MN

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number240115

Location4050 Coon Rapids BlvdCoon Rapids, MN 55433 · Anoka County

Emergency services Birthing friendly

St Croix Regional Medical Center

Critical Access Hospitals · Saint Croix Falls, WI

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number521337

Location235 E State StreetSaint Croix Falls, WI 54024 · Polk County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 54024 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$123.69 typical visit price

range $53.90 – $163.24

Typical copayment $30.92 (range $13.47 – $40.81)

Most-billed visit code 99204

Established Patient

$95.41 typical visit price

range $17.40 – $133.76

Typical copayment $23.85 (range $4.35 – $33.44)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

83.53/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

81.79

Promoting Interoperability

100

Improvement Activities

Cost

63.31

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

NANCY REYNOLDS HOPPE PTA

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