NPPES file of Aug 9, 2026

Yu Oyama, MD

Hematology & Oncology Physician · Chicago, IL

Yu Oyama, MD is a hematology & oncology physician with a practice address in Chicago, Illinois, and NPI 1790715472, issued on Jul 5, 2006. Check the license on the Illinois Department of Financial and Professional Regulation; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1790715472
Name
Yu Oyama
Credential
MD
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
Practice location
680 N Lake Shore Dr, Chicago, IL 60611
Phone
(312) 695-9797
Enumerated
Jul 5, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

8 nearest hematology & oncology physician records → All 666 in Illinois → Look up another NPI →

Also registered at 680 N Lake Shore Dr

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

  1. Michael Abecassis, MDTransplant Surgery Physician1134117377
  2. Yolanda Adler, MDDiagnostic Radiology Physician1518957760
  3. Brian Adley, MDAnatomic Pathology & Clinical Pathology Physician1932151966
  4. Mohamed Afifi, MDCritical Care Medicine (Anesthesiology) Physician1922098524
  5. Erin Agins, M.D.Obstetrics & Gynecology Physician1407118383
  6. Abby Agulnek, DOHospitalist Physician1689662942

Verify Yu Oyama in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional RegulationCheck 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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

Yu Oyama among 666 hematology & oncology physician records in Illinois

Yu Oyama, MD is one of 666 hematology & oncology physician records with a practice address in Illinois. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 15% of them.

  • NPI issued2006 · 15% of these records are older, 57% newer
  • In a Medicare fileNo · 84% of these records are
  • In the CMS Doctors and Clinicians fileNo · 69% of these records are
  • Record last updated2007 · 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 207RH0003X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hematology & Oncology Physician providers in Illinois

There are 666 hematology & oncology physician records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 666 in Illinois → Every provider in Chicago → Hematology & Oncology Physician nationwide →

The 8 hematology & oncology physician records with the nearest ZIP codes

  1. Elizabeth Eklund, MDChicago, IL 606111598861205
  2. Lisa Flaum, MDChicago, IL 606111740261262
  3. Leo Gordon, MDChicago, IL 606111821028499
  4. Jochen Lorch, M.D.Chicago, IL 606111518913094
  5. Daniela Matei, M.D.Chicago, IL 606111558327486
  6. Hidayatullah Munshi, MDChicago, IL 606111437258340
  7. Adam Petrich, MDChicago, IL 606111407899198
  8. Michael Preodor, MDChicago, IL 606111194756338

Common questions

What is Yu Oyama, MD's NPI number?

Yu Oyama, MD's National Provider Identifier (NPI) is 1790715472, issued on Jul 5, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Yu Oyama, MD located?

The NPPES record lists a practice address at 680 N Lake Shore Dr, Chicago, IL, 60611. Phone: (312) 695-9797. Providers update this record themselves, so call before visiting.

How can I verify Yu Oyama, MD'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. 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.