NPPES file of Aug 9, 2026

Ann Marie Sikora-Jackson, PA-C

Physician Assistant · Chicago, IL

Ann Marie Sikora-Jackson, PA-C is a physician assistant with a practice address in Chicago, Illinois, and NPI 1952423865, issued on Apr 4, 2007. Check the license (Illinois 85001531, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1952423865
Name
Ann Marie Sikora-Jackson
Credential
PA-C
Primary taxonomy
Physician Assistant 363A00000X
License number
85001531 IL
Self-reported in NPPES; status is on the state search
Practice location
1900 W Polk St, Chicago, IL 60612
Phone
(312) 864-0060
Enumerated
Apr 4, 2007
Record last updated
Apr 30, 2021 (not updated in 5 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 1900 W Polk St

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

  1. Carmen Adams, M.D.Obstetrics & Gynecology Physician1972864338
  2. Sarah Ahmed, CRNACertified Registered Nurse Anesthetist1023395134
  3. Steven Aks, DOMedical Toxicology (Emergency Medicine) Physician1295810356
  4. Irene Aluen Metzner, M.D.Internal Medicine Physician1063698819
  5. Alejandra Argueta, PA-CPhysician Assistant1407980337
  6. Annamarie Arias, M.D.Pediatrics Physician1851731756

Verify Ann Marie Sikora-Jackson 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 85001531
    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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The practice group's MIPS final score for 2023 (Medicare payment program): 84.6 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 score60.3
  2. Costout of 100 · 30%67.0
  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, group reporting; category weights for 2023 (qpp.cms.gov).

Ann Marie Sikora-Jackson among 4,926 physician assistant records in Illinois

Ann Marie Sikora-Jackson, PA-C 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 fileNo · 69% of these records are
  • Record last updated2021 · 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. Stacy Arens, PA-CChicago, IL 606121568485464
  2. Alejandra Argueta, PA-CChicago, IL 606121407980337
  3. Owen BarmadaChicago, IL 606121851301030
  4. Megan Burns, PA-C, PTChicago, IL 606121265574032
  5. Nicole Burrows, PAChicago, IL 606121689612004
  6. Katherine El, PA-CChicago, IL 606121972524791
  7. M Holden, MPH,MMS, PA-CChicago, IL 606121245259639
  8. Ratna Kanumury, PA-CChicago, IL 606121396757050

Common questions

What is Ann Marie Sikora-Jackson, PA-C's NPI number?

Ann Marie Sikora-Jackson, PA-C's National Provider Identifier (NPI) is 1952423865, issued on Apr 4, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Ann Marie Sikora-Jackson, PA-C located?

The NPPES record lists a practice address at 1900 W Polk St, Chicago, IL, 60612. Phone: (312) 864-0060. Providers update this record themselves, so call before visiting.

How can I verify Ann Marie Sikora-Jackson, PA-C's license?

NPPES lists Illinois license number 85001531, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.

What is Ann Marie Sikora-Jackson, PA-C's MIPS final score?

The 2023 MIPS final score is 84.6 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.