Physician Profile
Lisa E. Flaum, MD
Unclaimed ProfileAbout Dr. Flaum
Based in Chicago, IL, Lisa E. Flaum, MD is listed in the NPI registry under hematology & oncology. Lisa graduated from Georgetown University School of Medicine in 1998. According to Medicare claims data, Lisa cared for 1,200 Medicare patients across 45,307 services. The services billed most often include injection, fam-trastuzumab deruxtecan-nxki, 1 mg, injection, fosaprepitant, 1 mg, and injection, denosumab, 1 mg.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (312) 664-5400
- Email not available
Practice Locations
676 N SAINT CLAIR ST SUITE 2140
Chicago, IL 60611
Conditions Commonly Evaluated or Treated
Within Hematology and Oncology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
- Anemia
- Blood clots
- Breast cancer
- Colon cancer
- Iron-deficiency anemia
- Leukemia
- Lung cancer
- Lymphoma
- Prostate cancer
Advanced Cancers
Blood & Lymph Disorders
Blood Cancers
Blood Disorders
- Bleeding Disorders
- Blood Clot in Lung
- Blood Clotting Gene Mutation
- Deep vein thrombosis
- Hemochromatosis
- High Platelet Count
- High White Blood Cell Count
- Low Platelets
- Low White Blood Cell Count
- Thick Blood
- Unexplained Bruising
Blood disorders
- Bone Marrow Scarring
- Hemolytic Anemia in Children
- Pre-Myeloma Protein In Blood
- Vitamin B12 deficiency anemia
Bone & Soft Tissue Cancers
Digestive Cancers
Endocrine Cancers
Endocrine tumors
Gastrointestinal cancer
General oncology
Genetic Blood Disorders
Gynecologic cancer
Gynecologic Cancers
Head & Neck Cancers
Head and neck cancer
Neurologic Cancers
Oncologic emergencies
Ophthalmologic oncology
Skin cancer
Skin Cancers
Urologic Cancers
Procedures & services
Most searched procedures
Biopsies & Diagnostics
Blood disorder care
Cancer Therapies
Cancer therapy
- Chemo allergy desensitization
- Oral chemotherapy management
- Radiation oncology consultation
- Spinal chemo injection
Cellular Therapies
Consultations
Diagnostic testing
Hematology Treatments
Imaging
Infusions
Interventional oncology
Supportive Cancer Care
- Bone Strengthening Injections For Cancer
- Pain Management For Cancer
- Red Blood Cell Booster Shot
- White Blood Cell Booster Injection
Supportive cancer care
- Cancer nutrition counseling
- Chemo brain treatment
- Cold cap therapy for hair loss
- Fertility Preservation for Teens Before Cancer Treatment
- Hyperbaric oxygen for radiation damage
- Lymphedema Drainage Therapy
- Palliative cancer care
Surgical & Vascular Access
- Chemo port placement
- Chemo port removal
- Draining lung fluid
- Paracentesis
- PICC line placement coordination
Testing & Genetics
Vascular access care
Procedures Most Often Billed to Medicare
45,307 services · 1,200 patients · 23 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Injection of additional new drug or substance into vein | Treatment | 96375 |
200 | As often as other peers in Hematology & Oncology |
| Administration of chemotherapy into vein, 1 hour or less | Treatment | 96413 |
182 | As often as other peers in Hematology & Oncology |
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
86 | Less often than most peers in Hematology & Oncology |
| Infusion into a vein for therapy, prevention, or diagnosis, additional sequential infusion, 1 hour or less | Treatment | 96367 |
73 | Less often than most peers in Hematology & Oncology |
| Administration of hormonal anti-neoplastic chemotherapy under skin or into muscle | Treatment | 96402 |
59 | As often as other peers in Hematology & Oncology |
| Administration of additional new drug or substance into vein, 1 hour or less | Treatment | 96417 |
57 | As often as other peers in Hematology & Oncology |
| Application of on-body injector for under skin injection | Treatment | 96377 |
32 | Too few peers to compare |
| Injection, fam-trastuzumab deruxtecan-nxki, 1 mg | Drug given | J9358 |
20,500 | Too few peers to compare |
| Injection, fosaprepitant, 1 mg | Drug given | J1453 |
9,600 | More often than most peers in Hematology & Oncology |
| Injection, denosumab, 1 mg | Drug given | J0897 |
6,600 | More often than most peers in Hematology & Oncology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other cancer specialists at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 1
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 31 related providers in 4 groups
Other cancer specialists in Chicago 7
Same specialty, same city.
Trained at Georgetown University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1998 at Georgetown University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Injection of additional new drug or substance into vein 8
Providers in IL who bill this service to Medicare most often.
Common questions
What does Dr. Flaum specialize in?
Dr. Flaum is a cancer specialist in Chicago, IL. That is the designation recorded for this NPI in the federal registry, where it is listed as “Hematology & Oncology”.
NPI registry
Where is Dr. Flaum located?
Dr. Flaum is listed at 676 N Saint Clair St Suite 2140, Chicago, IL 60611. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Flaum's phone number?
The number on file is (312) 664-5400. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Flaum's NPI number?
Dr. Flaum's National Provider Identifier is 1740261262. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Flaum go to medical school?
Dr. Flaum attended Georgetown University School of Medicine, graduating in 1998. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Flaum been practicing?
Dr. Flaum has 28 years experience. Calculated from a graduation year of 1998, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Flaum do most often?
According to Medicare billing data, Dr. Flaum provides treatments such as injection of additional new drug or substance into vein and administration of chemotherapy into vein, 1 hour or less, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Flaum confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Flaum. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.