NPPES file of Aug 9, 2026

Sydney R. Tobis-Towers

Physician Assistant · Chicago, IL

Sydney R. Tobis-Towers is a physician assistant with a practice address in Chicago, Illinois, and NPI 1437810249, issued on Jan 4, 2022. 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
1437810249
Name
Sydney R. Tobis-Towers
Primary taxonomy
Physician Assistant 363A00000X
License number
0008059 CO
Self-reported in NPPES; status is on the state search
Practice location
240 E Huron St # 1-200, Chicago, IL 60611
Phone
(312) 503-1851
Enumerated
Jan 4, 2022
Record last updated
Jan 13, 2025
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 240 E Huron St # 1-200

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

  1. Olamide Adebayo, MPHStudent in an Organized Health Care Education/Training Program1275301145
  2. Parul Goyal, MDDermatology Physician1831582469
  3. Dannielle Grayer, MDInternal Medicine Physician1548754674
  4. Iretiola HamzatStudent in an Organized Health Care Education/Training Program1538772538
  5. Jon Klein, MDInternal Medicine Physician1972265593
  6. Madison LuceStudent in an Organized Health Care Education/Training Program1043044365

Verify Sydney R. Tobis-Towers 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
Find the Illinois license search

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90% fewer Medicare Part D claims than the average physician assistant in 2024

86 Medicare Part D claims for 57 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.

  1. Sydney Tobis-Towers86
  2. Specialty average830

Most prescribed

  1. Cephalexin12 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.

Sydney R. Tobis-Towers among 4,926 physician assistant records in Illinois

Sydney R. Tobis-Towers 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 2022, is newer than 71% of them.

  • NPI issued2022 · 71% of these records are older, 22% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileNo · 69% of these records are
  • Record last updated2025 · 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 Sydney R. Tobis-Towers's NPI number?

Sydney R. Tobis-Towers's National Provider Identifier (NPI) is 1437810249, issued on Jan 4, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Sydney R. Tobis-Towers located?

The NPPES record lists a practice address at 240 E Huron St # 1-200, Chicago, IL, 60611. Phone: (312) 503-1851. Providers update this record themselves, so call before visiting.

How can I verify Sydney R. Tobis-Towers's license?

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

How much does Sydney R. Tobis-Towers prescribe under Medicare Part D?

In 2024, Sydney R. Tobis-Towers had 86 Medicare Part D claims for 57 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.