NPPES file of Aug 9, 2026

Ryan Gregory Lewis, PA-C

Physician Assistant · Chicago, IL

Ryan Gregory Lewis, PA-C is a physician assistant with a practice address in Chicago, Illinois, and NPI 1194188383, issued on Apr 4, 2016. Check the license (Illinois 085006073, 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
1194188383
Name
Ryan Gregory Lewis
Credential
PA-C
Primary taxonomy
Physician Assistant 363A00000X
License numbers
085006073 IL
PA10406 TX
Self-reported in NPPES; status is on the state search
Practice location
675 N Saint Clair St Ste 20-150, Chicago, IL 60611
Phone
(312) 695-8146
Enumerated
Apr 4, 2016
Record last updated
Aug 2, 2023
Fax
(312) 695-7030
Medicare enrollment
Enrolled (PECOS I20170307002275); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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 675 N Saint Clair St Ste 20-150

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

  1. Nelson Bennett, MDUrology Physician1366529240
  2. Adria Bertolini, APNNurse Practitioner1811464340
  3. Hanna Cash, APRN, CNPNurse Practitioner1548049158
  4. Zebedee Cluff, PA-CPhysician Assistant1467220525
  5. Nicholas Dean, M.D.Urology Physician1053060566
  6. James Giblin, M.D.Urology Physician1457360695

Verify Ryan Gregory Lewis 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 085006073
    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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76% fewer Medicare Part D claims than the average physician assistant in 2024

197 Medicare Part D claims for 73 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 40% of claims.

  1. Ryan Lewis197
  2. Specialty average830

Most prescribed

  1. Myrbetriq67 claims
  2. Tamsulosin Hcl35 claims
  3. Nitrofurantoin Mono-Macro19 claims
  4. Estradiol11 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: $1,171.96

3 payments; by number, the most common kind was travel and lodging; the largest payer was Intuitive Surgical, Inc. 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. Ryan Lewis$1,171.96
  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. Northwestern Medical Faculty FoundationChicago, IL

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

Ryan Gregory Lewis among 4,926 physician assistant records in Illinois

Ryan Gregory Lewis, 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 2016, is newer than 40% of them.

  • NPI issued2016 · 40% of these records are older, 57% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 69% of these records are
  • Graduated2015 · median 2019 among the 3,407 with a school on file
  • Record last updated2023 · 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 Ryan Gregory Lewis, PA-C's NPI number?

Ryan Gregory Lewis, PA-C's National Provider Identifier (NPI) is 1194188383, issued on Apr 4, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Ryan Gregory Lewis, PA-C located?

The NPPES record lists a practice address at 675 N Saint Clair St Ste 20-150, Chicago, IL, 60611. Phone: (312) 695-8146. Providers update this record themselves, so call before visiting.

How can I verify Ryan Gregory Lewis, PA-C's license?

NPPES lists Illinois license number 085006073, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.

How much does Ryan Gregory Lewis, PA-C prescribe under Medicare Part D?

In 2024, Ryan Gregory Lewis, PA-C had 197 Medicare Part D claims for 73 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.

What is Ryan Gregory Lewis, 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.