Lisa E. Flaum, MD
Hematology & Oncology Physician · Chicago, IL
Lisa E. Flaum, MD is a hematology & oncology physician with a practice address in Chicago, Illinois, and NPI 1740261262, issued on Nov 10, 2005. Check the license (Illinois 036103768, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Lisa E. Flaum
- Credential
- MD
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- 036103768 IL
Self-reported in NPPES; status is on the state search - Practice location
- 676 N Saint Clair St, Chicago, IL 60611
- Phone
- (312) 664-5400
- Enumerated
- Nov 10, 2005
- Record last updated
- Mar 15, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (312) 664-5854
- Medicaid ID
- 036103768 IL
- Medicare enrollment
- Enrolled (PECOS I20050524000393); accepts Medicare assignment
- Medical or professional school
- Georgetown University School Of Medicine, 1998
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 666 in Illinois → Look up another NPI →
Also registered at 676 N Saint Clair St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sharon Adam, M.D.Diagnostic Radiology Physician1619361763
- Jessica Altman, MDHematology & Oncology Physician1831391200
- Rama AlzeinStudent in an Organized Health Care Education/Training Program1528904133
- Sarah Anderson, NPNurse Practitioner1043243355
- Michael Angarone, D.O.Infectious Disease Physician1194806190
- Cara Angelotta, MDPsychiatry Physician1194017525
Verify Lisa E. Flaum 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 036103768Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
25% more Medicare Part D claims than the average hematology & oncology physician in 2024
1,095 Medicare Part D claims for 272 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.
Most prescribed
- Anastrozole585 claims
- Letrozole204 claims
- Exemestane77 claims
- Alendronate Sodium49 claims
- Ibrance44 claims
- Gabapentin17 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.
The MIPS final score for 2023 (Medicare payment program): 94.1 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $59,513.36
55 payments; by number, the most common kind was compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program; the largest payer was AstraZeneca Pharmaceuticals LP. The 8,560 providers of this specialty with any payment received $7,481.41 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.
Bills Medicare through one group practice
- Northwestern Medical Faculty FoundationLake Forest, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Lisa E. Flaum among 666 hematology & oncology physician records in Illinois
Lisa E. Flaum, 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. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 85% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated1998 · median 2003 among the 461 with a school on file
- Record last updated2013 · 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.
All 666 in Illinois → Every provider in Chicago → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Elizabeth Eklund, MDChicago, IL 606111598861205
- Leo Gordon, MDChicago, IL 606111821028499
- Jochen Lorch, M.D.Chicago, IL 606111518913094
- Daniela Matei, M.D.Chicago, IL 606111558327486
- Hidayatullah Munshi, MDChicago, IL 606111437258340
- Yu Oyama, MDChicago, IL 606111790715472
- Adam Petrich, MDChicago, IL 606111407899198
- Michael Preodor, MDChicago, IL 606111194756338
Common questions
What is Lisa E. Flaum, MD's NPI number?
Lisa E. Flaum, MD's National Provider Identifier (NPI) is 1740261262, issued on Nov 10, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Lisa E. Flaum, MD located?
The NPPES record lists a practice address at 676 N Saint Clair St, Chicago, IL, 60611. Phone: (312) 664-5400. Providers update this record themselves, so call before visiting.
How can I verify Lisa E. Flaum, MD's license?
NPPES lists Illinois license number 036103768, 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 Lisa E. Flaum, MD prescribe under Medicare Part D?
In 2024, Lisa E. Flaum, MD had 1,095 Medicare Part D claims for 272 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
What is Lisa E. Flaum, MD's MIPS final score?
The 2023 MIPS final score is 94.1 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.