NPPES file of Aug 9, 2026

Ryan Patrick Brennan, M.D

Neurological Surgery Physician · Quincy, IL

Ryan Patrick Brennan, M.D is a neurological surgery physician with a practice address in Quincy, Illinois, and NPI 1619111853, issued on Apr 30, 2009. Check the license (Illinois 036164832, 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
1619111853
Name
Ryan Patrick Brennan
Credential
M.D
Primary taxonomy
Neurological Surgery Physician 207T00000X
License numbers
036164832 IL
60633008 WA
Self-reported in NPPES; status is on the state search
Practice location
4800 Maine St, Quincy, IL 62305
Phone
(217) 214-9620
Enumerated
Apr 30, 2009
Record last updated
Jul 3, 2024
Fax
(217) 214-5678
Medicare enrollment
Enrolled (PECOS I20240319002643); accepts Medicare assignment
Medical or professional school
Indiana University School Of Medicine, 2009
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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Also registered at 4800 Maine St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Adesina Adedeji, MDFamily Medicine Physician1104560762
  2. William Andel, ANPNurse Practitioner1821048372
  3. Sara Brown, APRNFamily Nurse Practitioner1861145732
  4. Wesley Creech, D.C.Chiropractor1548424567
  5. John Deguzman, M.D.Physical Medicine & Rehabilitation Physician1376567354
  6. Steven Ginos, M.D.Family Medicine Physician1740298942

Verify Ryan Patrick Brennan 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 036164832    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Industry payments in 2024: $718.74

6 payments; by number, the most common kind was travel and lodging; the largest payer was Medtronic, Inc. 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.

  1. Ryan Brennan$719
  2. Specialty average$14,926

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

One hospital affiliation

  1. Blessing HospitalQuincy, IL · Acute Care Hospitals4 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.

Neurological Surgery Physician providers in Illinois

There are 375 neurological surgery physician records in Illinois.

All 375 in Illinois → Every provider in Quincy →

Other neurological surgery physician records in Illinois

  1. Raed Abusuwwa, D.O.Downers Grove, IL1861701351
  2. Leslie Acakpo-Satchivi, MDSpringfield, IL1821042680
  3. Paul Ackerman, M.D.Chicago, IL1275762262
  4. Arjang Ahmadpour, MDMcHenry, IL1548670599
  5. Christopher Ahuja, MDWinfield, IL1316625288
  6. Sumeet Ahuja, M.D.Chicago, IL1437445186
  7. Jacob Alant, MDUrbana, IL1578306015
  8. Ali Alaraj, M.DChicago, IL1568667806
  9. Abdulrahman Albakr, M.D.Arlington Heights, IL1396594826
  10. Roberto Alcazar Felix, MDChicago, IL1942003199

Common questions

What is Ryan Patrick Brennan, M.D's NPI number?

Ryan Patrick Brennan, M.D's National Provider Identifier (NPI) is 1619111853, issued on Apr 30, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Ryan Patrick Brennan, M.D located?

The NPPES record lists a practice address at 4800 Maine St, Quincy, IL, 62305. Phone: (217) 214-9620. Providers update this record themselves, so call before visiting.

How can I verify Ryan Patrick Brennan, M.D's license?

NPPES lists Illinois license number 036164832, 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.