NPPES file of Aug 9, 2026

Mark A. Blaser, MD

Allergy & Immunology Physician · Moline, IL

Mark A. Blaser, MD is an allergy & immunology physician with a practice address in Moline, Illinois, and NPI 1982683264, issued on Jan 13, 2006. Check the license (Illinois 0360778877, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1982683264
Name
Mark A. Blaser
Credential
MD
Primary taxonomy
Allergy & Immunology Physician 207K00000X
License number
0360778877 IL
Self-reported in NPPES; status is on the state search
Practice location
600 John Deere Road, Moline, IL 61265
Phone
(309) 779-4200
Enumerated
Jan 13, 2006
Record last updated
Jun 11, 2008 (not updated in 18 years: call before relying on the address or phone)
Fax
(309) 779-4305
Medicaid ID
036078877 IL
Medicare enrollment
Enrolled (PECOS I20101026000493); accepts Medicare assignment
Medical or professional school
University Of Iowa, Rj & L Carver College Of Medicine, 1986
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 600 John Deere Road

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Milan Durco, MDInternal Medicine Physician1811976137
  2. Ahmed Khalafallah, MDInternal Medicine Physician1366412934
  3. Ahmed Okba, MDInternal Medicine Physician1538139100
  4. John Peterson, PHD, MDInternal Medicine Physician1760452189
  5. Michael Porubcin, MDHematology & Oncology Physician1770553349
  6. Karla Vankeulen, MDObstetrics & Gynecology Physician1154391720

Verify Mark A. Blaser in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
    Search for license 0360778877
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Illinois license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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2.2 times the Medicare Part D claims of the average allergy & immunology physician in 2024

1,641 Medicare Part D claims for 303 beneficiaries, against an average of 741 among the 2,899 providers of this specialty who prescribed in Part D. Brand-name drugs were 48% of claims.

  1. Mark Blaser1,641
  2. Specialty average741

Most prescribed

  1. Ipratropium Bromide170 claims
  2. Albuterol Sulfate Hfa135 claims
  3. Prednisone129 claims
  4. Symbicort120 claims
  5. Montelukast Sodium108 claims
  6. Fluticasone-Salmeterol97 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): 61.2 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.

  1. Qualityout of 100 · 30% of the final score72.3
  2. Costout of 100 · 30%81.6
  3. Promoting interoperabilityout of 100 · 25%0.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $162.30

7 payments; by number, the most common kind was food and beverage; the largest payer was Genzyme Corporation. The 2,496 providers of this specialty with any payment received $8,321.81 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Mark Blaser$162.30
  2. Specialty average$8,321.81

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Medical Arts Associates, Ltd.Moline, IL

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Mark A. Blaser among 162 allergy & immunology physician records in Illinois

Mark A. Blaser, MD is one of 162 allergy & immunology physician records with a practice address in Illinois. 86% 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 14% of them.

  • NPI issued2006 · 14% of these records are older, 48% newer
  • In a Medicare fileYes · 86% of these records are
  • In the CMS Doctors and Clinicians fileYes · 70% of these records are
  • Graduated1986 · median 2001 among the 114 with a school on file
  • Record last updated2008 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207K00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Allergy & Immunology Physician providers in Illinois

There are 162 allergy & immunology physician records in Illinois.

The 8 allergy & immunology physician records with the nearest ZIP codes

  1. Charles Frey, DORockford, IL 611071356321244
  2. Chester Mellies, MDRockford, IL 611071770563660
  3. Fatima Mohiuddin, MDRockford, IL 611071578674834
  4. Ahmad Mourad, M.DRockford, IL 611071861425720
  5. Timothy Jessen, MDFreeport, IL 610321831165034
  6. Wyatt Verplaetse, MDPeoria, IL 616061629508965
  7. Arabelle Abellard, MDPeoria, IL 616151245729805
  8. Penelope Ewbank, MDPeoria, IL 616151558358911

Common questions

What is Mark A. Blaser, MD's NPI number?

Mark A. Blaser, MD's National Provider Identifier (NPI) is 1982683264, issued on Jan 13, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Mark A. Blaser, MD located?

The NPPES record lists a practice address at 600 John Deere Road, Moline, IL, 61265. Phone: (309) 779-4200. Providers update this record themselves, so call before visiting.

How can I verify Mark A. Blaser, MD's license?

NPPES lists Illinois license number 0360778877, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Mark A. Blaser, MD prescribe under Medicare Part D?

In 2024, Mark A. Blaser, MD had 1,641 Medicare Part D claims for 303 beneficiaries; the average among allergy & immunology physician prescribers was 741. Part D covers Medicare prescriptions only.

What is Mark A. Blaser, MD's MIPS final score?

The 2023 MIPS final score is 61.2 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.