Brian Randolph Dyson, DO
Internal Medicine Physician · Olympia Fields, IL
Brian Randolph Dyson, DO is an internal medicine physician with a practice address in Olympia Fields, Illinois, and NPI 1346626041, issued on Aug 4, 2015. Check the license on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Brian Randolph Dyson
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- ED0500 WV
Self-reported in NPPES; status is on the state search - Practice location
- 20201 Crawford Ave, Olympia Fields, IL 60461
- Phone
- (708) 747-4000
- Enumerated
- Aug 4, 2015
- Record last updated
- Jun 18, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (708) 503-3241
- Medicare enrollment
- Enrolled (PECOS I20240712001703); accepts Medicare assignment
- Medical or professional school
- Lincoln Mem Univ, Debusk Col Of Osteopathic Med, 2015
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,238 in Illinois → Look up another NPI →
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Verify Brian Randolph Dyson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional RegulationCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through 2 group practices
- Luminis Health Medical Group, LLCBowie, MD
- Medstar Medical Group II LLCBaltimore, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Brian Randolph Dyson among 7,238 internal medicine physician records in Illinois
Brian Randolph Dyson, DO is one of 7,238 internal medicine physician records with a practice address in Illinois. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 61% of them.
- NPI issued2015 · 61% of these records are older, 37% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2015 · median 2003 among the 3,580 with a school on file
- Record last updated2018 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
23 internal medicine physician records list a practice address in Olympia Fields
They are 23 of the 684 NPPES records with a practice address in Olympia Fields, and 7,238 internal medicine physician records in Illinois.
All 7,238 in Illinois → Every provider in Olympia Fields → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Julie Brandies, M.D.Olympia Fields, IL 604611467405472
- Muhammad Choudry, MDOlympia Fields, IL 604611720074701
- Mohammed Hussain, MDOlympia Fields, IL 604611942466545
- Rabia Jawed, DOOlympia Fields, IL 604611962907816
- Sanjeev Joshi, M.D.Olympia Fields, IL 604611962467563
- Jacob Kalliath, D.O.Olympia Fields, IL 604611134569395
- Savio Manatt, M.D.Olympia Fields, IL 604611063585032
- Justin Rapoff, D.O.Olympia Fields, IL 604611174849657
Common questions
What is Brian Randolph Dyson, DO's NPI number?
Brian Randolph Dyson, DO's National Provider Identifier (NPI) is 1346626041, issued on Aug 4, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Brian Randolph Dyson, DO located?
The NPPES record lists a practice address at 20201 Crawford Ave, Olympia Fields, IL, 60461. Phone: (708) 747-4000. Providers update this record themselves, so call before visiting.
How can I verify Brian Randolph Dyson, DO's license?
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.