NPPES file of Aug 9, 2026

Mark F. Myren

Physician Assistant · Chicago, IL

Mark F. Myren is a physician assistant with a practice address in Chicago, Illinois, and NPI 1992992804, issued on Sep 25, 2007. Check the license (Illinois 085000445, as entered in NPPES) with the Illinois board that licenses this profession; 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
1992992804
Name
Mark F. Myren
Primary taxonomy
Physician Assistant 363A00000X
License number
085000445 IL
Self-reported in NPPES; status is on the state search
Practice location
5841 S Maryland Ave, Chicago, IL 60637
Phone
(888) 824-0200
Enumerated
Sep 25, 2007
Record last updated
Oct 24, 2022
Medicare enrollment
Enrolled (PECOS I20120611000020); accepts Medicare assignment
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 5841 S Maryland Ave

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

  1. Ma. Theresa Abaring, CRNACertified Registered Nurse Anesthetist1962647586
  2. Rouzbeh AbbasgholizadehRetina Specialist (Ophthalmology) Physician1881510030
  3. Jehad Abdalla, MDSleep Medicine (Internal Medicine) Physician1053898684
  4. Sara Abdelaziz, MDEndocrinology, Diabetes & Metabolism Physician1598258089
  5. Noor Abdelrahman, PA-CPhysician Assistant1851012413
  6. Unknown Abdul Hanan, MDBlood Banking & Transfusion Medicine Physician1750022240

Verify Mark F. Myren in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Illinois board licenses this profession
    Search for license 085000445
    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
Find the Illinois license search

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76% fewer Medicare Part D claims than the average physician assistant in 2024

198 Medicare Part D claims for 52 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 36 claims were for opioids.

  1. Mark Myren198
  2. Specialty average830

Most prescribed

  1. Tramadol Hcl31 claims
  2. Atorvastatin Calcium17 claims
  3. Metoprolol Succinate13 claims
  4. Amiodarone Hcl12 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 MIPS final score for 2023 (Medicare payment program): 97.7 of 100

The Merit-based Incentive Payment System score is reported for this clinician. 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 score75.4
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

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

Industry payments in 2024: $156.56

6 payments; by number, the most common kind was food and beverage; the largest payer was Abiomed. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Mark Myren$156.56
  2. Specialty average$841.65

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. University OF ChicagoChicago, IL

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

Mark F. Myren among 4,926 physician assistant records in Illinois

Mark F. Myren is one of 4,926 physician assistant records with a practice address in Illinois. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 12% of them.

  • NPI issued2007 · 12% of these records are older, 83% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 69% of these records are
  • Graduated1990 · median 2019 among the 3,407 with a school on file
  • Record last updated2022 · 35% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

1,445 physician assistant records list a practice address in Chicago

They are 1,445 of the 63,379 NPPES records with a practice address in Chicago, and 4,926 physician assistant records in Illinois.

The 8 physician assistant records with the nearest ZIP codes

  1. Carrie BarthChicago, IL 606371336104983
  2. Amy Butler, PA-CChicago, IL 606371922292374
  3. Barbara Cislo, MMS, PA-CChicago, IL 606371942361217
  4. Melvin Fremit, P.A.Chicago, IL 606371063609964
  5. Rebecca FriedlanderChicago, IL 606371477672061
  6. Diane Lyman, PA-CChicago, IL 606371184834467
  7. Casey Moran, PA-CChicago, IL 606371740277441
  8. Patrice Muhammad, PA-CChicago, IL 606371427062298

Common questions

What is Mark F. Myren's NPI number?

Mark F. Myren's National Provider Identifier (NPI) is 1992992804, issued on Sep 25, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Mark F. Myren located?

The NPPES record lists a practice address at 5841 S Maryland Ave, Chicago, IL, 60637. Phone: (888) 824-0200. Providers update this record themselves, so call before visiting.

How can I verify Mark F. Myren's license?

NPPES lists Illinois license number 085000445, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.

How much does Mark F. Myren prescribe under Medicare Part D?

In 2024, Mark F. Myren had 198 Medicare Part D claims for 52 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.

What is Mark F. Myren's MIPS final score?

The 2023 MIPS final score is 97.7 of 100. 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.