MARK WILLIAM NIEMER M.D.
NPI 1275585259
Internal Medicine - Rheumatology in Dubuque, IA

Active since May 17, 2006PECOS EnrolledAccepts Medicare Assignment
1500 ASSOCIATES DR, DUBUQUE, IA 52002(563) 584-4460(563) 584-4395 Get Directions Write a Review

NPPES record last updated: September 8, 2010. Verified against the NPPES registry weekly; last sync: July 19, 2026.

About Mark William Niemer M.d. NPPES

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

MARK WILLIAM NIEMER M.D. (NPI 1275585259) is an individual rheumatology provider in Dubuque, Iowa, licensed in Iowa (28785) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS and is a graduate of Ohio State University College Of Medicine (1985).Information from the official NPPES registry record, last updated September 8, 2010.

NPPES Registry Identity

NPI1275585259
Entity TypeIndividualMale
Provider Legal NameMARK WILLIAM NIEMERCredential: M.D.
Location Address1500 ASSOCIATES DRDubuque, IA 52002-2201
Mailing Address1500 Associates DrDubuque, IA 52002-2201 · (563) 584-4100 · Fax (563) 584-4110
Fax(563) 584-4395
Sole ProprietorNo
Medical School CMSOhio State University College Of MedicineGraduated 1985
Enumeration DateMay 17, 2006
Last NPPES UpdateSeptember 8, 2010
NPI 1275585259 is a valid, active identifier and passes the ISO check-digit test. How NPI validation works

Primary Specialty

Internal Medicine · Rheumatology

Taxonomy 207RR0500X · Allopathic & Osteopathic Physicians

Licensed in IA · 28785 Licensed in WI · 37106

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… Show more

1500 ASSOCIATES DR, Dubuque, IA 52002

Also on File with NPPES

Other Identifiers3
E35680 (Medicare UPIN)
08503 (Medicare ID-Type Unspecified, IA)
0083279 (Medicaid, IA)

Medicare Participation & PECOS Enrollment Status

Mark Niemer is registered with Medicare and accepts claims assignment, this means the provider accepts the approved amount for the cost of rendered services as full payment. Participating providers may not charge beneficiaries more than the approved amount for their services. Please keep in mind that beneficiaries still have to pay a coinsurance or copayment amount for a visit or service.

Mark Niemer is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.

What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.

  • Is the provider registered in PECOS? Yes

  • PECOS PAC ID: 8820998537

    What is the PECOS Associate Control ID?
    A PAC ID is a unique 10-digit number assigned to an individual or organization healthcare provider in PECOS. The PAC ID is used to link together all the provider information, like tax identification numbers and organizational names. A PAC ID can be connected to multiple Enrollment IDs if an individual or organization has enrolled in PECOS more than once.

  • PECOS Enrollment ID: I20040505001369

    What is the Provider Enrollment ID?
    The Enrollment ID is a unique alphanumeric 15-digit code assigned to each new provider's PECOS enrollment application. The Enrollment ID is used to link together all the provider enrollment information like enrollment type, state, provider specialty, and reassignment of benefits.

  • Accepts Medicare Assignment? Yes

    What does it mean "accepts medicare assignment"?
    When a provider accepts Medicare assignment, the provider agrees to be paid directly by Medicare and to accept the payment amount approved by Medicare. Additionally, the provider agrees to not bill patients for more than the Medicare deductible and coinsurance amounts.
    A provider who doesn't accept assignment may charge you up to 15% over the Medicare-approved amount. This is known as the limiting charge. You may have to pay this amount, or it may be covered by another insurer.

  • Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes

  • Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes

  • Eligible to Order or Refer a Home Health Agency (HHA): Yes

  • Eligible to Order or Refer Power Mobility Devices: Yes

Areas of Expertise

The following services and procedures, recently provided to Medicare patients, illustrate the range of care this provider offers. This list reflects the variety of services available to all patients visiting the practice and is based on 2022 Medicare dataset. In general, the more frequently a provider treats specific conditions or performs particular procedures, the more experienced they become in addressing similar patient needs. The provider has delivered many of the services listed below to Medicare patients. Please note that this list does not include services provided to patients who are not covered by Medicare.

Administration of chemotherapy into vein, 1 hour or less

Chemotherapy is a treatment that uses drugs to destroy cancer cells. When administered into a vein, it's often through an IV. This procedure usually lasts 1 hour or less. You may feel a slight pinch as the needle is inserted, but it's generally painless.

This service was performed 35 times for 12 patients

Albumin (protein) level

The Albumin Level test measures the amount of albumin, a vital protein made by the liver, in your blood. This protein helps keep fluid in your bloodstream so it doesn't leak into other tissues. It's also vital for tissue growth and healing. Low or high levels can indicate certain health issues.

This service was performed 76 times for 46 patients

Aspiration and/or injection of fluid from large joint

This procedure involves using a needle to remove (aspiration) or introduce (injection) fluid into a large joint like the knee or hip. It can help diagnose conditions, relieve discomfort, or deliver medication directly to the joint.

This service was performed 21 times for 15 patients

Blood creatinine level

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.

This service was performed 139 times for 104 patients

Calcium level, total

A total calcium level test measures the amount of calcium in your blood. Calcium is essential for body functions like bone formation, nerve signal transmission, and muscle contraction. Abnormal levels may indicate conditions like bone disease or kidney disorders.

This service was performed 36 times for 35 patients

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

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.

This service was performed 118 times for 80 patients

Established patient office or other outpatient visit, 20-29 minutes

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.

This service was performed 161 times for 136 patients

Established patient office or other outpatient visit, 30-39 minutes

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.

This service was performed 129 times for 94 patients

Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less

This is a procedure where a medical professional inserts a small tube into your vein to deliver medication, nutrients, or fluids directly into your bloodstream. This can be for treatment, prevention, or diagnosis. The process typically takes less than an hour.

This service was performed 44 times for 14 patients

Injection of drug or substance under skin or into muscle

This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.

This service was performed 21 times for 18 patients

Injection, denosumab, 1 mg

Denosumab is a medication given via injection to strengthen your bones. It works by slowing down the cells that break down bone, improving bone density and reducing the risk of fractures. It's often used for osteoporosis treatment.

This service was performed 1,260 times for 18 patients

Injection, infliximab-dyyb, biosimilar, (inflectra), 10 mg

Infliximab-dyyb (Inflectra) is a biosimilar injection used to treat certain autoimmune conditions. It works by blocking a protein in your body that causes inflammation, helping to reduce symptoms. The dosage is 10 mg.

This service was performed 1,160 times for 11 patients

Injection, triamcinolone acetonide, not otherwise specified, 10 mg

Triamcinolone acetonide is a medication used to reduce inflammation in the body. It's given as a 10 mg injection for conditions like allergies, arthritis, or skin problems. The injection helps to decrease swelling, redness, and itching.

This service was performed 192 times for 14 patients

Injection, zoledronic acid, 1 mg

Zoledronic acid is a medication given via injection to strengthen bones. It's often used in patients with osteoporosis or certain types of cancer. The injection helps reduce the risk of fractures and other bone complications.

This service was performed 55 times for 11 patients

Insertion of needle into vein for collection of blood sample

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.

This service was performed 177 times for 129 patients

Liver enzyme (sgot), level

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.

This service was performed 99 times for 67 patients

Measurement c-reactive protein for detection of infection or inflammation

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.

This service was performed 139 times for 109 patients

Red blood cell sedimentation rate, to detect inflammation, automated

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.

This service was performed 73 times for 56 patients

Uric acid level, blood

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.

This service was performed 32 times for 31 patients

Vitamin d-3 level

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.

This service was performed 44 times for 44 patients

Physician Visit Costs



The typical physician office visit costs for Medicare beneficiaries in this area are: $30.55 for a new patient copayment and $23.51 for an established patient copayment.

The pricing information below displays the copayment minimum, maximum and average amount that patients under Medicare are charged when visiting this provider as a new or established patient. Please keep in mind that these prices are just for reference purposes, and the actual prices charged by the provider might be different.

For patients covered under private health plans the prices below are also useful as healthcare pricing for private insurance is usually established as a function of Medicare prices. Private insurance covered patients should check their individual plans to determine the exact pricing.

The prices below reflect the costs for new and established patients in the 52002 ZIP code area.

New Patients Visit Costs *

The most utilized procedure code for new patients office visits is 99204

  • Average New Patient Price $122.23
  • Minimum New Patient Price $52.96
  • Maximum New Patient Price $161.4
  • Average New Patient Copayment $30.55
  • Minimum New Patient Copayment $13.24
  • Maximum New Patient Copayment $40.35

Established Patients Visit Costs *

The most utilized procedure code for established patients office visits is 99214

  • Average Established Patient Price $94.05
  • Minimum Established Patient Price $16.91
  • Maximum Established Patient Price $131.98
  • Average Established Patient Copayment $23.51
  • Minimum Established Patient Copayment $4.22
  • Maximum Established Patient Copayment $32.99

* The physician office visit costs information is generated by statistical analysis of similar providers in the same geographical area. The pricing information above IS NOT the amount charged by this provider.

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Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1275585259, enumerated as an "individual" on May 17, 2006.

The provider is located at 1500 ASSOCIATES DR DUBUQUE, IA 52002 and the phone number is (563) 584-4460.

Internal Medicine with taxonomy code 207RR0500X and a focus in Rheumatology.

The provider might be accepting Accepts: Medica, Oscar Insurance Company, Medicare and. Please consult your insurance carrier or call the provider to verify.