NPPES file of Aug 9, 2026

Tresa Elizabeth Zacharias, MD

Neurology Physician · Chicago, IL

Tresa Elizabeth Zacharias, MD is a neurology physician with a practice address in Chicago, Illinois, and NPI 1366838708, issued on Apr 13, 2015. Check the license (Illinois 036149954, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; 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
1366838708
Name
Tresa Elizabeth Zacharias
Credential
MD
Primary taxonomy
Neurology Physician 2084N0400X
License number
036149954 IL
Self-reported in NPPES; status is on the state search
Practice location
Rush Neurology, Chicago, IL 60612
Phone
(312) 942-4500
Enumerated
Apr 13, 2015
Record last updated
Jun 14, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(312) 942-2380
Medicaid ID
036149954 IL
Medicare enrollment
Enrolled (PECOS I20201021000338); accepts Medicare assignment
Medical or professional school
University Of Texas Southwestern Medical School At Dallas, 2015
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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Verify Tresa Elizabeth Zacharias in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
    Search for license 036149954
    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
Open the Illinois license search

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64% fewer Medicare Part D claims than the average neurology physician in 2024

487 Medicare Part D claims for 100 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D.

  1. Tresa Zacharias487
  2. Specialty average1,370

Most prescribed

  1. Emgality Pen71 claims
  2. Donepezil Hcl69 claims
  3. Gabapentin56 claims
  4. Memantine Hcl35 claims
  5. Sumatriptan Succinate23 claims
  6. Rizatriptan18 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.

Bills Medicare through one group practice

  1. Rush University Medical GroupChicago, IL

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

Tresa Elizabeth Zacharias among 952 neurology physician records in Illinois

Tresa Elizabeth Zacharias, MD is one of 952 neurology physician records with a practice address in Illinois. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 62% of them.

  • NPI issued2015 · 62% of these records are older, 34% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated2015 · median 2006 among the 573 with a school on file
  • Record last updated2021 · 42% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084N0400X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Neurology Physician providers in Illinois

There are 952 neurology physician records in Illinois.

The 8 neurology physician records with the nearest ZIP codes

  1. Antoaneta Balabanov, MDChicago, IL 606121770578304
  2. Joshua Baron, MDChicago, IL 606121336112523
  3. Donna Bergen, MDChicago, IL 606121548256357
  4. Michael Carrithers, MDChicago, IL 606121073595427
  5. Cynthia Comella, MDChicago, IL 606121588640940
  6. Jacob Fox, MDChicago, IL 606121841242716
  7. Christopher Goetz, MDChicago, IL 606121124004585
  8. Michael Kelly, MDChicago, IL 606121558329086

Common questions

What is Tresa Elizabeth Zacharias, MD's NPI number?

Tresa Elizabeth Zacharias, MD's National Provider Identifier (NPI) is 1366838708, issued on Apr 13, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Tresa Elizabeth Zacharias, MD located?

The NPPES record lists a practice address at Rush Neurology, Chicago, IL, 60612. Phone: (312) 942-4500. Providers update this record themselves, so call before visiting.

How can I verify Tresa Elizabeth Zacharias, MD's license?

NPPES lists Illinois license number 036149954, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Tresa Elizabeth Zacharias, MD prescribe under Medicare Part D?

In 2024, Tresa Elizabeth Zacharias, MD had 487 Medicare Part D claims for 100 beneficiaries; the average among neurology physician prescribers was 1,370. 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.