Michael Rezak, MD, PHD
Neurology Physician · Park Ridge, IL
Michael Rezak, MD, PHD is a neurology physician with a practice address in Park Ridge, Illinois, and NPI 1003975897, issued on Dec 7, 2006. Check the license (Illinois 036073545, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Michael Rezak
- Credential
- MD, PHD
- Primary taxonomy
- Neurology Physician 2084N0400X
- License numbers
- 036073545 IL
28511 CT
296649 NY
Self-reported in NPPES; status is on the state search - Practice location
- 1875 Dempster St Ste 625, Park Ridge, IL 60068
- Phone
- (847) 723-4088
- Enumerated
- Dec 7, 2006
- Record last updated
- Aug 23, 2024
- Fax
- (847) 627-8700
- Medicare enrollment
- Enrolled (PECOS I20050622000673); accepts Medicare assignment
- Medical or professional school
- Loyola University Of Chicago, Stritch School Of Medicine, 1985
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest neurology physician records → All 952 in Illinois → Look up another NPI →
Also registered at 1875 Dempster St Ste 625
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Umair Afzal, MDNeurology Physician1164786448
- Gina Barbaglia, PA-CPhysician Assistant1538713441
- Anit Behera, MD, PHDVascular Neurology Physician1427519693
- Izabela Biesiada, D.ONeurology Physician1922426931
- Justin BlytheNeuroscience Registered Nurse1669293890
- Prashanthi Boppana, MDNeurology Physician1588630727
Verify Michael Rezak in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036073545Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
80% more Medicare Part D claims than the average neurology physician in 2024
2,462 Medicare Part D claims for 304 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.
Most prescribed
- Carbidopa-Levodopa625 claims
- Clonazepam129 claims
- Carbidopa-Levodopa Er125 claims
- Amantadine100 claims
- Rytary97 claims
- Escitalopram Oxalate86 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.
Industry payments in 2024: $468.20
20 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 10,858 providers of this specialty with any payment received $8,318.07 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
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
- Advocate Health And Hospitals CorporationPark Ridge, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael Rezak among 952 neurology physician records in Illinois
Michael Rezak, MD, PHD 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 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 68% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1985 · median 2006 among the 573 with a school on file
- Record last updated2024 · 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.
All 952 in Illinois → Every provider in Park Ridge → Neurology Physician nationwide →
The 8 neurology physician records with the nearest ZIP codes
- Umair Afzal, MDPark Ridge, IL 600681164786448
- Prashanthi Boppana, MDPark Ridge, IL 600681588630727
- David Calimag, MDPark Ridge, IL 600681447231154
- William Davison, M.D.Park Ridge, IL 600681982659413
- Ian Katznelson, M.D.Park Ridge, IL 600681194779082
- Anibal Lugo, MDPark Ridge, IL 600681396053708
- Andrew Macdougall, D.O.Park Ridge, IL 600681215130836
- Timothy Mikesell, D.O.Park Ridge, IL 600681811933757
Common questions
What is Michael Rezak, MD, PHD's NPI number?
Michael Rezak, MD, PHD's National Provider Identifier (NPI) is 1003975897, issued on Dec 7, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Michael Rezak, MD, PHD located?
The NPPES record lists a practice address at 1875 Dempster St Ste 625, Park Ridge, IL, 60068. Phone: (847) 723-4088. Providers update this record themselves, so call before visiting.
How can I verify Michael Rezak, MD, PHD's license?
NPPES lists Illinois license number 036073545, 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 Michael Rezak, MD, PHD prescribe under Medicare Part D?
In 2024, Michael Rezak, MD, PHD had 2,462 Medicare Part D claims for 304 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.