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Edit this profileAt a glance
- 8940 N Wood Sage Rd, Peoria, IL 61615
About Dr. Gerstner
Gregory J. Gerstner, M.D. practices hematology/oncology in Peoria, IL. Gregory is a 2002 graduate of Southern Illinois University School of Medicine. Gregory is also listed as specializing in hematology & oncology. Medicare claims data shows Gregory provided 230,761 services to 2,244 patients. The services billed most often include injection, ferric carboxymaltose, 1 mg, injection, ferumoxytol, for treatment of iron deficiency anemia, 1 mg (non-esrd use), and injection, pembrolizumab, 1 mg. The provider's National Provider Identifier (NPI) is 1629288659.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
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
- (309) 243-3000
- Email not available
Practice Locations
8940 N WOOD SAGE RD
Peoria, IL 61615
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
230,761 services · 2,244 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
1,560 | More often than most peers in Hematology/Oncology |
| Injection, ferric carboxymaltose, 1 mg | Drug given | J1439 |
59,900 | More often than most peers in Hematology/Oncology |
| Injection, pembrolizumab, 1 mg | Drug given | J9271 |
23,800 | More often than most peers in Hematology/Oncology |
| Injection, aprepitant, 1 mg | Drug given | J0185 |
14,430 | More often than most peers in Hematology/Oncology |
| Injection, daratumumab, 10 mg and hyaluronidase-fihj | Drug given | J9144 |
12,960 | More often than most peers in Hematology/Oncology |
| Injection, azacitidine, 1 mg | Drug given | J9025 |
12,300 | More often than most peers in Hematology/Oncology |
| Injection, oxaliplatin, 0.5 mg | Drug given | J9263 |
10,400 | As often as other peers in Hematology/Oncology |
| Injection, paclitaxel, 1 mg | Drug given | J9267 |
9,456 | More often than most peers in Hematology/Oncology |
| Injection, denosumab, 1 mg | Drug given | J0897 |
8,520 | More often than most peers in Hematology/Oncology |
| Injection, eflapegrastim-xnst, 0.1 mg | Drug given | J1449 |
5,940 | 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 hematology/oncology specialists at this location 6
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 4
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 — 27 related providers in 4 groups
Other hematology/oncology specialists in Peoria 3
Same specialty, same city.
Trained at Southern Illinois University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2002 at Southern Illinois University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Insertion of needle into vein for collection of blood sample 8
Providers in IL who bill this service to Medicare most often.
Common questions
What kind of doctor is Gregory J. Gerstner?
Gregory J. Gerstner is a hematology/oncology in Peoria, IL. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Gregory J. Gerstner's address?
Gregory J. Gerstner is listed at 8940 N Wood Sage Rd, Peoria, IL 61615. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Gregory J. Gerstner?
The number on file is (309) 243-3000. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Gregory J. Gerstner?
Gregory J. Gerstner's National Provider Identifier is 1629288659. 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 Gregory J. Gerstner train?
Gregory J. Gerstner attended Southern Illinois University School of Medicine, graduating in 2002. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Gregory J. Gerstner have?
Gregory J. Gerstner has 24 years experience. Calculated from a graduation year of 2002, reported in the CMS National Downloadable File.
CMS public data
What procedures does Gregory J. Gerstner perform?
According to Medicare billing data, Gregory J. Gerstner performs procedures including insertion of needle into vein for collection of blood sample, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Gregory J. Gerstner's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Gregory J. Gerstner. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.