Marek J. Grzeskowiak, MD
Hospice and Palliative Medicine (Family Medicine) Physician · Glenview, IL
Marek J. Grzeskowiak, MD is a hospice and palliative medicine (family medicine) physician with a practice address in Glenview, Illinois, and NPI 1821259003, issued on Jun 20, 2008. Check the license (Illinois 036126699, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Marek J. Grzeskowiak
- Credential
- MD
- Primary taxonomy
- Hospice and Palliative Medicine (Family Medicine) Physician 207QH0002X
- License number
- 036126699 IL
Self-reported in NPPES; status is on the state search - Practice location
- 2050 Claire CT, Glenview, IL 60025
- Phone
- (847) 556-1707
- Enumerated
- Jun 20, 2008
- Record last updated
- Mar 1, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (847) 556-1715
- Medicaid ID
- 1821259003 WI
- Entity
- Type 1 · individual
8 nearest hospice and palliative medicine (family medicine) physician records → All 26 in Illinois → Look up another NPI →
Also registered at 2050 Claire CT
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ginette Ayeni, FNP-BCFamily Nurse Practitioner1811245681
- Judy Barry, LCSWClinical Social Worker1851551444
- Denise Britton, ANPNurse Practitioner1811081094
- Marjorie Charles-Damte, NPAdult Health Nurse Practitioner1861680027
- Lilia Corral, APNFamily Nurse Practitioner1639546294
- Miriam Correa, APNGerontology Nurse Practitioner1134525199
Verify Marek J. Grzeskowiak 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 036126699Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average hospice and palliative medicine (family medicine) physician in 2024
119 Medicare Part D claims for 61 beneficiaries, against an average of 1,129 among the 731 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims. 33 claims were for opioids.
Most prescribed
- Morphine Sulfate14 claims
- Lorazepam13 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 practice group's MIPS final score for 2023 (Medicare payment program): 90.2 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Marek J. Grzeskowiak among 26 hospice and palliative medicine (family medicine) physician records in Illinois
Marek J. Grzeskowiak, MD is one of 26 hospice and palliative medicine (family medicine) physician records with a practice address in Illinois. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 42% of them.
- NPI issued2008 · 42% of these records are older, 54% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 54% of these records are
- Record last updated2017 · 46% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207QH0002X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hospice and Palliative Medicine (Family Medicine) Physician providers in Illinois
There are 26 hospice and palliative medicine (family medicine) physician records in Illinois.
All 26 in Illinois → Every provider in Glenview → Hospice and Palliative Medicine (Family Medicine) Physician nationwide →
The 8 hospice and palliative medicine (family medicine) physician records with the nearest ZIP codes
- Desislava FonDes Plaines, IL 600181154291417
- Sarah SporeDes Plaines, IL 600181861344285
- Ravneet Gill, MPH, MDBarrington, IL 600101013352004
- Tariq Lateef, MDMount Prospect, IL 600561619364221
- Timothy McCurry, M.D.Mt Prospect, IL 600561841202421
- Richard Wolfe, M.D.Mount Prospect, IL 600561679668123
- Gayle Bereskin, DOPark Ridge, IL 600681972549210
- Saman Misbah, DOPark Ridge, IL 600681417440256
Common questions
What is Marek J. Grzeskowiak, MD's NPI number?
Marek J. Grzeskowiak, MD's National Provider Identifier (NPI) is 1821259003, issued on Jun 20, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Marek J. Grzeskowiak, MD located?
The NPPES record lists a practice address at 2050 Claire CT, Glenview, IL, 60025. Phone: (847) 556-1707. Providers update this record themselves, so call before visiting.
How can I verify Marek J. Grzeskowiak, MD's license?
NPPES lists Illinois license number 036126699, 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 Marek J. Grzeskowiak, MD prescribe under Medicare Part D?
In 2024, Marek J. Grzeskowiak, MD had 119 Medicare Part D claims for 61 beneficiaries; the average among hospice and palliative medicine (family medicine) physician prescribers was 1,129. Part D covers Medicare prescriptions only.
What is Marek J. Grzeskowiak, MD's MIPS final score?
The 2023 MIPS final score is 90.2 of 100, reported for the practice group. 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.