Raymond Bergan, MD
Medical Oncology Physician · Chicago, IL
Raymond Bergan, MD is a medical oncology physician with a practice address in Chicago, Illinois, and NPI 1871569640, issued on Feb 23, 2006. Check the license (Illinois 036-099084, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Raymond Bergan
- Credential
- MD
- Primary taxonomy
- Medical Oncology Physician 207RX0202X
- License number
- 036-099084 IL
Self-reported in NPPES; status is on the state search - Practice location
- 675 N Saint Clair St, Chicago, IL 60611
- Phone
- (312) 695-0990
- Enumerated
- Feb 23, 2006
- Record last updated
- May 8, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (312) 695-1106
- Medicare enrollment
- Enrolled (PECOS I20210128001779); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest medical oncology physician records → All 182 in Illinois → Look up another NPI →
Also registered at 675 N Saint Clair St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Sharon Allen, APRNAdult Health Nurse Practitioner1003849993
Verify Raymond Bergan 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 036-099084Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% fewer Medicare Part D claims than the average medical oncology physician in 2024
120 Medicare Part D claims for 16 beneficiaries, against an average of 703 among the 4,230 providers of this specialty who prescribed in Part D. Brand-name drugs were 61% of claims.
Most prescribed
- Xtandi50 claims
- Prednisone21 claims
- Nubeqa20 claims
- Abiraterone Acetate12 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.
Bills Medicare through one group practice
- Unmc PhysiciansOmaha, NE
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Raymond Bergan among 182 medical oncology physician records in Illinois
Raymond Bergan, MD is one of 182 medical oncology physician records with a practice address in Illinois. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 11% of them.
- NPI issued2006 · 11% of these records are older, 43% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated1987 · median 2000 among the 132 with a school on file
- Record last updated2014 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RX0202X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Medical Oncology Physician providers in Illinois
There are 182 medical oncology physician records in Illinois.
All 182 in Illinois → Every provider in Chicago → Medical Oncology Physician nationwide →
The 8 medical oncology physician records with the nearest ZIP codes
- Charles Bennett, MDChicago, IL 606111063488898
- Al Benson, MDChicago, IL 606111891761532
- James Brandman, MDChicago, IL 606111710947882
- Daniel Bruetman, MDChicago, IL 606111972583417
- Lucio Di Nunno, M.D.Chicago, IL 606111639132343
- William Gradishar, MDChicago, IL 606111437187929
- Mary Mulcahy, MDChicago, IL 606111306870837
- Jyoti Patel, MDChicago, IL 606111083649792
Common questions
What is Raymond Bergan, MD's NPI number?
Raymond Bergan, MD's National Provider Identifier (NPI) is 1871569640, issued on Feb 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Raymond Bergan, MD located?
The NPPES record lists a practice address at 675 N Saint Clair St, Chicago, IL, 60611. Phone: (312) 695-0990. Providers update this record themselves, so call before visiting.
How can I verify Raymond Bergan, MD's license?
NPPES lists Illinois license number 036-099084, 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 Raymond Bergan, MD prescribe under Medicare Part D?
In 2024, Raymond Bergan, MD had 120 Medicare Part D claims for 16 beneficiaries; the average among medical oncology physician prescribers was 703. 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.