Physician Profile
Bozena Witek, MD
Unclaimed ProfileAbout Dr. Witek
Bozena Witek, MD is a healthcare provider in Chicago, IL specializing in hematology & oncology. Medicare claims data shows Bozena provided 46,249 services to 981 patients. The services billed most often include injection, filgrastim-aafi, biosimilar, (nivestym), 1 microgram, 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 — free, and no identity document with a practice or institutional email.
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
- (773) 774-0042
- Email not available
Practice Locations
7447 W TALCOTT AVE SUITE ONE
Chicago, IL 60631
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
46,249 services · 981 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Administration of chemotherapy into vein, 1 hour or less | Treatment | 96413 |
270 | More 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 |
265 | More often than most peers in Hematology & Oncology |
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
258 | More often than most peers in Hematology & Oncology |
| Injection of additional new drug or substance into vein | Treatment | 96375 |
158 | As often as other peers in Hematology & Oncology |
| Administration of chemotherapy into vein, each additional hour | Treatment | 96415 |
127 | More often than most peers in Hematology & Oncology |
| Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less | Treatment | 96365 |
86 | As often as other peers in Hematology & Oncology |
| Administration of additional new drug or substance into vein, 1 hour or less | Treatment | 96417 |
51 | Less often than most peers in Hematology & Oncology |
| Infusion into a vein for hydration, 31-60 minutes | Treatment | 96360 |
27 | Less often than most peers in Hematology & Oncology |
| Irrigation of implanted venous access drug delivery device | Treatment | 96523 |
24 | Less often than most peers in Hematology & Oncology |
| Injection, fosaprepitant, 1 mg | Drug given | J1453 |
11,250 | 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.
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.
Other cancer specialists in Chicago 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 1983 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Administration of chemotherapy into vein, 1 hour or less 8
Providers in IL who bill this service to Medicare most often.
Common questions
What is Dr. Witek's specialty?
Dr. Witek 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 can I find Dr. Witek?
Dr. Witek is listed at 7447 W Talcott Ave Suite One, Chicago, IL 60631. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Witek?
The number on file is (773) 774-0042. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Witek?
Dr. Witek's National Provider Identifier is 1275639585. 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
What is Dr. Witek's medical education?
Dr. Witek attended Other, graduating in 1983. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Witek have?
Dr. Witek has 43 years experience. Calculated from a graduation year of 1983, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Witek known for?
According to Medicare billing data, Dr. Witek provides treatments such as administration of chemotherapy into vein, 1 hour or less and infusion into a vein for therapy, prevention, or diagnosis, additional sequential infusion, 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
Is Dr. Witek's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Witek. 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.