Daryn Katherine Cass, MD
Neurological Surgery Physician · Maywood, IL
Daryn Katherine Cass, MD is a neurological surgery physician with a practice address in Maywood, Illinois, and NPI 1548780117, issued on Jun 23, 2017. Check the license (Illinois 036169091, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Daryn Katherine Cass
- Credential
- MD
- Primary taxonomy
- Neurological Surgery Physician 207T00000X
- License numbers
- 036169091 IL
57.029536 OH
Self-reported in NPPES; status is on the state search - Practice location
- 2160 S 1St Ave, Maywood, IL 60153
- Phone
- (708) 216-9000
- Enumerated
- Jun 23, 2017
- Record last updated
- Jul 11, 2024
- Medicare enrollment
- Enrolled (PECOS I20240725002029); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest neurological surgery physician records → All 375 in Illinois → Look up another NPI →
Also registered at 2160 S 1St Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Abdelhai Abdelqader, MDGastroenterology Physician1073931127
- Samer Abdelsamie, D.M.DOral and Maxillofacial Surgery (Dentist)1366732257
- Zaid Abdelsattar, MD, MSCThoracic Surgery (Cardiothoracic Vascular Surgery) Physician1760793293
- Gerges Abdelsayed, MBBCH BAODiagnostic Radiology Physician1942902606
Verify Daryn Katherine Cass 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 036169091Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $4,705.57
39 payments; by number, the most common kind was food and beverage; the largest payer was Synthes GmbH. The 5,377 providers of this specialty with any payment received $14,925.58 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.
One hospital affiliation
- Loyola University Medical CenterMaywood, IL · Acute Care Hospitals2 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Daryn Katherine Cass among 375 neurological surgery physician records in Illinois
Daryn Katherine Cass, MD is one of 375 neurological surgery physician records with a practice address in Illinois. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 70% of them.
- NPI issued2017 · 70% of these records are older, 27% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated2017 · median 2004 among the 199 with a school on file
- Record last updated2024 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207T00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neurological Surgery Physician providers in Illinois
There are 375 neurological surgery physician records in Illinois.
All 375 in Illinois → Every provider in Maywood → Neurological Surgery Physician nationwide →
The 8 neurological surgery physician records with the nearest ZIP codes
- Douglas Anderson, MDMaywood, IL 601531386621258
- Brandon Bond, M.D.Maywood, IL 601531033552088
- Anand Germanwala, M.D.Maywood, IL 601531811056369
- Ronak Jani, MDMaywood, IL 601531104387166
- Dawid Liniewski, MDMaywood, IL 601531376708693
- Suguna Pappu, MDMaywood, IL 601531134268121
- Min Park, M.D.Maywood, IL 601531730414749
- Nikhil Patel, M.D.Maywood, IL 601531629229950
Common questions
What is Daryn Katherine Cass, MD's NPI number?
Daryn Katherine Cass, MD's National Provider Identifier (NPI) is 1548780117, issued on Jun 23, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Daryn Katherine Cass, MD located?
The NPPES record lists a practice address at 2160 S 1St Ave, Maywood, IL, 60153. Phone: (708) 216-9000. Providers update this record themselves, so call before visiting.
How can I verify Daryn Katherine Cass, MD's license?
NPPES lists Illinois license number 036169091, 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.
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.