NPPES file of Aug 9, 2026

Leah Kristina Petrak, PA-C

Physician Assistant · Chicago, IL

Leah Kristina Petrak, PA-C is a physician assistant with a practice address in Chicago, Illinois, and NPI 1043834070, issued on Jun 5, 2020. Check the license (Illinois 085009033, 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
1043834070
Name
Leah Kristina Petrak
Credential
PA-C
Primary taxonomy
Physician Assistant 363A00000X
License number
085009033 IL
Self-reported in NPPES; status is on the state search
Practice location
250 E Superior St FL 15, Chicago, IL 60611
Phone
(312) 472-4225
Enumerated
Jun 5, 2020
Record last updated
Oct 5, 2022
Fax
(312) 472-4226
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 250 E Superior St FL 15

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

  1. Mary Callaghan, APRN, CNSAdvanced Practice Midwife1497096853

Verify Leah Kristina Petrak 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 085009033
    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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80% fewer Medicare Part D claims than the average physician assistant in 2024

167 Medicare Part D claims for 62 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 22% of claims. 35 claims were for opioids.

  1. Leah Petrak167
  2. Specialty average830

Most prescribed

  1. Eliquis31 claims
  2. Ibuprofen21 claims
  3. Oxycodone Hcl19 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): 94.1 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 score82.6
  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: $23.07

1 payment: food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. 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. Leah Petrak$23.07
  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.

Leah Kristina Petrak among 4,926 physician assistant records in Illinois

Leah Kristina Petrak, 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 2020, is newer than 58% of them.

  • NPI issued2020 · 58% of these records are older, 34% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileNo · 69% of these records are
  • 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. Regina Bart, PAChicago, IL 606111083656284
  2. Michele Bryk, PAChicago, IL 606111316906860
  3. Jennifer Centore-Lober, PA CChicago, IL 606111932198322
  4. Karen Ferkau, P.A.Chicago, IL 606111013082809
  5. Jung Lee, PAChicago, IL 606111588698476
  6. Michael Maclean, PA-CChicago, IL 606111033139399
  7. Vera Nisavic, P.A.Chicago, IL 606111174696207
  8. Laura Nishi, PAChicago, IL 606111821040049

Common questions

What is Leah Kristina Petrak, PA-C's NPI number?

Leah Kristina Petrak, PA-C's National Provider Identifier (NPI) is 1043834070, issued on Jun 5, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Leah Kristina Petrak, PA-C located?

The NPPES record lists a practice address at 250 E Superior St FL 15, Chicago, IL, 60611. Phone: (312) 472-4225. Providers update this record themselves, so call before visiting.

How can I verify Leah Kristina Petrak, PA-C's license?

NPPES lists Illinois license number 085009033, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.

How much does Leah Kristina Petrak, PA-C prescribe under Medicare Part D?

In 2024, Leah Kristina Petrak, PA-C had 167 Medicare Part D claims for 62 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.

What is Leah Kristina Petrak, PA-C's MIPS final score?

The 2023 MIPS final score is 94.1 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.