NPPES file of Aug 9, 2026

Lara Mack, PA-C

Physician Assistant · Chicago, IL

Lara Mack, PA-C is a physician assistant with a practice address in Chicago, Illinois, and NPI 1679854459, issued on Sep 7, 2011. Check the license (Illinois 1098900, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1679854459
Name
Lara Mack
Credential
PA-C
Primary taxonomy
Physician Assistant 363A00000X
License number
1098900 IL
Self-reported in NPPES; status is on the state search
Practice location
251 E Huron St, Chicago, IL 60611
Phone
(312) 926-6222
Enumerated
Sep 7, 2011
Record last updated
Feb 29, 2016 (not updated in 10 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20120118000235); 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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8 nearest physician assistant records → All 4,926 in Illinois → Look up another NPI →

Also registered at 251 E Huron St

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

  1. Brian Abarbanel, MDPhysical Medicine & Rehabilitation Physician1124600291
  2. Mohamed Abazeed, MD, PHDRadiation Oncology Physician1205096609
  3. Allison AbbottCertified Registered Nurse Anesthetist1720446594
  4. Kathryn AbbottPsychiatry Physician1295537561
  5. Ramez Abdalla, M.B., B. CHNeuroradiology Physician1407410392
  6. Dena Abdelhameed, PHARM.D.Nuclear Pharmacist1073954301

Verify Lara Mack 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 1098900    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

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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Bills Medicare through one group practice

  1. Northwestern Medical Faculty FoundationChicago, IL

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

Lara Mack among 4,926 physician assistant records in Illinois

Lara Mack, 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 2011, is newer than 24% of them.

  • NPI issued2011 · 24% of these records are older, 73% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 69% of these records are
  • Graduated2011 · median 2019 among the 3,407 with a school on file
  • Record last updated2016 · 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.

All 4,926 in Illinois → Every provider in Chicago → Physician Assistant nationwide →

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 Lara Mack, PA-C's NPI number?

Lara Mack, PA-C's National Provider Identifier (NPI) is 1679854459, issued on Sep 7, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Lara Mack, PA-C located?

The NPPES record lists a practice address at 251 E Huron St, Chicago, IL, 60611. Phone: (312) 926-6222. Providers update this record themselves, so call before visiting.

How can I verify Lara Mack, PA-C's license?

NPPES lists Illinois license number 1098900, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.