NPPES file of Aug 9, 2026

Kayla Larson, PA-C

Physician Assistant · Chicago, IL

Kayla Larson, PA-C is a physician assistant with a practice address in Chicago, Illinois, and NPI 1588183545, issued on Sep 11, 2017. Check the license 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1588183545
Name
Kayla Larson
Credential
PA-C
Primary taxonomy
Physician Assistant 363A00000X
Practice location
600 W Adams St, Chicago, IL 60661
Phone
(312) 506-0900
Enumerated
Sep 11, 2017
Record last updated
Dec 10, 2020 (not updated in 6 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20221021001210); 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 600 W Adams St

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

  1. Daniel Gomez, PA-CPhysician Assistant1023724101
  2. Carl Gustas, DOFamily Medicine Physician1194773036

Verify Kayla Larson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Illinois board licenses this professionCheck 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
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97% fewer Medicare Part D claims than the average physician assistant in 2024

23 Medicare Part D claims for 19 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.

  1. Kayla Larson23
  2. Specialty average830

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.

Bills Medicare through one group practice

  1. Peacehealth Networks ON Demand LLCBellevue, WA

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

Kayla Larson among 4,926 physician assistant records in Illinois

Kayla Larson, 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 2017, is newer than 43% of them.

  • NPI issued2017 · 43% of these records are older, 52% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 69% of these records are
  • Graduated2017 · median 2019 among the 3,407 with a school on file
  • Record last updated2020 · 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. Rose Ali, PA-CChicago, IL 606611003085796
  2. Michelle Arnesen, PA-CChicago, IL 606611396913885
  3. Leah Brown, PA-C, MMSChicago, IL 606611780814525
  4. Sydney CostaChicago, IL 606611013649888
  5. Daniel Gomez, PA-CChicago, IL 606611023724101
  6. Anum Haq, PA-CChicago, IL 606611760998280
  7. Brianna Klopfer, PA-CChicago, IL 606611518692391
  8. Hannah Laychock, PA-CChicago, IL 606611578383550

Common questions

What is Kayla Larson, PA-C's NPI number?

Kayla Larson, PA-C's National Provider Identifier (NPI) is 1588183545, issued on Sep 11, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Kayla Larson, PA-C located?

The NPPES record lists a practice address at 600 W Adams St, Chicago, IL, 60661. Phone: (312) 506-0900. Providers update this record themselves, so call before visiting.

How can I verify Kayla Larson, PA-C's license?

Search the Illinois board that licenses this profession; the NPPES record confirms identity only.

How much does Kayla Larson, PA-C prescribe under Medicare Part D?

In 2024, Kayla Larson, PA-C had 23 Medicare Part D claims for 19 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.

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.