Daniel Gryzlo, MD
Gastroenterology Physician · Maywood, IL
Daniel Gryzlo, MD is a gastroenterology physician with a practice address in Maywood, Illinois, and NPI 1346723616, issued on Sep 12, 2018. Check the license (Illinois 125.080399, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Daniel Gryzlo
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License numbers
- 125.080399 IL
MT236672 PA
Self-reported in NPPES; status is on the state search - Practice location
- 2160 S 1St Ave, Maywood, IL 60153
- Phone
- (888) 584-7888
- Enumerated
- Sep 12, 2018
- Record last updated
- May 20, 2026
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 887 in Illinois → Look up another NPI →
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Verify Daniel Gryzlo 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 125.080399Check 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% fewer Medicare Part D claims than the average gastroenterology physician in 2024
159 Medicare Part D claims for 27 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium14 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.
Daniel Gryzlo among 887 gastroenterology physician records in Illinois
Daniel Gryzlo, MD is one of 887 gastroenterology physician records with a practice address in Illinois. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 86% of them.
- NPI issued2018 · 86% of these records are older, 11% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileNo · 72% of these records are
- Record last updated2026 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
41 gastroenterology physician records list a practice address in Maywood
They are 41 of the 2,572 NPPES records with a practice address in Maywood, and 887 gastroenterology physician records in Illinois.
All 887 in Illinois → Every provider in Maywood → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Elora Arya, M.D.Maywood, IL 601531881894475
- Agata Bednarz, M.D.Maywood, IL 601531477671527
- Charles Broy, M.D.Maywood, IL 601531952449340
- Suzanne Daly, M.D.Maywood, IL 601531780770446
- Lesley Dawravoo, M.D.Maywood, IL 601531588820781
- Michael Klamut, MDMaywood, IL 601531700865086
- Samuel Leon, MDMaywood, IL 601531326010067
- Jack Leya, MDMaywood, IL 601531336128602
Common questions
What is Daniel Gryzlo, MD's NPI number?
Daniel Gryzlo, MD's National Provider Identifier (NPI) is 1346723616, issued on Sep 12, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Daniel Gryzlo, MD located?
The NPPES record lists a practice address at 2160 S 1St Ave, Maywood, IL, 60153. Phone: (888) 584-7888. Providers update this record themselves, so call before visiting.
How can I verify Daniel Gryzlo, MD's license?
NPPES lists Illinois license number 125.080399, 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 Daniel Gryzlo, MD prescribe under Medicare Part D?
In 2024, Daniel Gryzlo, MD had 159 Medicare Part D claims for 27 beneficiaries; the average among gastroenterology physician prescribers was 811. 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.