DR. GREGORY JAMES GERSTNER M.D. NPI 1629288659

NPI Information

  • NPI: 1629288659
  • Provider Name: DR. GREGORY JAMES GERSTNER, M.D.
  • Classification: Internal Medicine - 207RH0003X
  • Specialization: Hematology & Oncology
  • Entity Type: Individual
  • PECOS Registration: Yes
  • Address: 8940 N WOOD SAGE RD
    PEORIA, IL
    ZIP 61615
  • Phone: (309) 243-3000

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NPI Details

DR. Gregory James Gerstner, M.D. is a hematology and oncology internal medicine in Peoria, IL with 24 years of experience. The provider is an internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered. DR. Gregory James Gerstner, M.D. NPI is 1629288659. The provider is registered as an individual entity type.

The NPPES NPI record indicates the provider is a male.

Education
Medical School: SOUTHERN ILLINOIS UNIVERSITY SCHOOL OF MEDICINE
Graduation Year:2002

The provider's business location address is:

8940 N WOOD SAGE RD
PEORIA, IL
ZIP 61615-822
Phone: (309) 243-3000
Fax: (309) 243-3215

The NPI 1629288659 is registered in the Medicare Provider, Enrollment, Chain and Ownership System (PECOS). The provider is legally eligible to order and refer Part B (Clinical Laboratory and Imaging), Durable Medical Equipment, Part A Home Health Agency (HHA), Power Mobility Devices.

The following top HCPCS codes were publicly reported for this provider under the Medicare program for the year 2016. The reported codes are based on the top codes for each available Medicare specialty, excluding evaluation and management codes.

  • Injection, ferumoxytol, for treatment of iron deficiency anemia, 1 mg (non-esrd use) (HCPCS:Q0138)
  • Injection, azacitidine, 1 mg (HCPCS:J9025)
  • Injection, fosaprepitant, 1 mg (HCPCS:J1453)
  • Injection, oxaliplatin, 0.5 mg (HCPCS:J9263)
  • Injection, darbepoetin alfa, 1 microgram (non-esrd use) (HCPCS:J0881)
  • Injection, pembrolizumab, 1 mg (HCPCS:J9271)
  • Injection, paclitaxel, 1 mg (HCPCS:J9267)
  • Injection, denosumab, 1 mg (HCPCS:J0897)
  • Injection, bevacizumab-bvzr, biosimilar, (zirabev), 10 mg (HCPCS:Q5118)
  • Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml (HCPCS:Q9967)
  • Injection, dexamethasone sodium phosphate, 1 mg (HCPCS:J1100)
  • Injection, pemetrexed, not otherwise specified, 10 mg (HCPCS:J9305)
  • Injection, rituximab-pvvr, biosimilar, (ruxience), 10 mg (HCPCS:Q5119)
  • Injection, palonosetron hcl, 25 mcg (HCPCS:J2469)
  • Injection, epoetin alfa-epbx, biosimilar, (retacrit) (for non-esrd use), 1000 units (HCPCS:Q5106)
  • Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (HCPCS:85025)
  • Blood test, comprehensive group of blood chemicals (HCPCS:80053)
  • Insertion of needle into vein for collection of blood sample (HCPCS:36415)
  • Established patient office or other outpatient visit, 30-39 minutes (HCPCS:99214)
  • Administration of chemotherapy into vein, 1 hour or less (HCPCS:96413)
  • Injection, fluorouracil, 500 mg (HCPCS:J9190)
  • Injection, ondansetron hydrochloride, per 1 mg (HCPCS:J2405)
  • Injection of drug or substance into vein (HCPCS:96374)
  • Injection, leucovorin calcium, per 50 mg (HCPCS:J0640)
  • Infusion into a vein for therapy, prevention, or diagnosis, additional sequential infusion, 1 hour or less (HCPCS:96367)
  • Injection, magnesium sulfate, per 500 mg (HCPCS:J3475)
  • Injection, carboplatin, 50 mg (HCPCS:J9045)
  • Gammaglobulin (immune system protein) measurement (HCPCS:82784)
  • Lactate dehydrogenase (enzyme) level (HCPCS:83615)
  • Injection of additional new drug or substance into vein (HCPCS:96375)
  • Injection of drug or substance under skin or into muscle (HCPCS:96372)
  • Injection, iron dextran, 50 mg (HCPCS:J1750)
  • Cyclophosphamide, 100 mg (HCPCS:J9070)
  • Injection, potassium chloride, per 2 meq (HCPCS:J3480)
  • Established patient office or other outpatient visit, 20-29 minutes (HCPCS:99213)
  • Injection, pegfilgrastim, excludes biosimilar, 0.5 mg (HCPCS:J2506)
  • Administration of additional new drug or substance into vein, 1 hour or less (HCPCS:96417)
  • Measurement of immunoglobulin light chains (HCPCS:83521)
  • Injection, zoledronic acid, 1 mg (HCPCS:J3489)
  • Injection, diphenhydramine hcl, up to 50 mg (HCPCS:J1200)
  • Oncology care model (ocm) monthly enhanced oncology services (meos) payment for ocm enhanced services. g9678 payments may only be made to ocm practitioners for ocm beneficiaries for the furnishment of enhanced services as defined in the ocm participation a (HCPCS:G9678)
  • Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less (HCPCS:96365)
  • Carcinoembryonic antigen (cea) protein level (HCPCS:82378)
  • Ferritin (blood protein) level (HCPCS:82728)
  • Iron level (HCPCS:83540)
  • Iron binding capacity (HCPCS:83550)
  • Magnesium level (HCPCS:83735)
  • Infusion into a vein for therapy, prevention, or diagnosis concurrent with another infusion (HCPCS:96368)
  • Blood test, thyroid stimulating hormone (tsh) (HCPCS:84443)
  • Thyroxine (thyroid chemical), free (HCPCS:84439)
  • Administration of chemotherapy into vein, each additional hour (HCPCS:96415)
  • Infusion into a vein for therapy, prevention, or diagnosis, each additional hour (HCPCS:96366)
  • Protein measurement, serum (HCPCS:84165)
  • Administration of non-hormonal anti-neoplastic chemotherapy under skin or into muscle (HCPCS:96401)
  • Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg (HCPCS:J3420)
  • Unclassified drugs (HCPCS:J3490)
  • New patient office or other outpatient visit, 45-59 minutes (HCPCS:99204)
  • Infusion into a vein for hydration, 31-60 minutes (HCPCS:96360)
  • Leuprolide acetate (for depot suspension), 7.5 mg (HCPCS:J9217)
  • Administration of additional new drug or substance into vein using push technique (HCPCS:96411)
  • Established patient office or other outpatient visit, 40-54 minutes (HCPCS:99215)
  • Injection, methylprednisolone sodium succinate, up to 125 mg (HCPCS:J2930)
  • Infusion, normal saline solution , 1000 cc (HCPCS:J7030)
  • Ct scan of chest with contrast (HCPCS:71260)
  • Chemotherapy administration, intravenous infusion technique; initiation of infusion in the office/clinic setting using office/clinic pump/supplies, with continuation of the infusion in the community setting (e.g., home, domiciliary, rest home or assisted l (HCPCS:G0498)
  • Ct scan of abdomen and pelvis with contrast (HCPCS:74177)
  • Irrigation of implanted venous access drug delivery device (HCPCS:96523)
  • Injection, tixagevimab and cilgavimab, for the pre-exposure prophylaxis only, for certain adults and pediatric individuals (12 years of age and older weighing at least 40kg) with no known sars-cov-2 exposure, who either have moderate to severely compromise (HCPCS:M0220)
  • Psa (prostate specific antigen) measurement, total (HCPCS:84153)
  • Injection, tixagevimab and cilgavimab, for the pre-exposure prophylaxis only, for certain adults and pediatric individuals (12 years of age and older weighing at least 40kg) with no known sars-cov-2 exposure, who either have moderate to severely compromise (HCPCS:Q0220)
  • Cyanocobalamin (vitamin b-12) level (HCPCS:82607)
  • Red blood count, automated test (HCPCS:85045)
  • Folic acid level, serum (HCPCS:82746)
  • Infusion into a vein for hydration, each additional hour (HCPCS:96361)
  • Administration of hormonal anti-neoplastic chemotherapy under skin or into muscle (HCPCS:96402)
  • Telephone medical discussion with physician, 5-10 minutes (HCPCS:99441)
  • Fluorodeoxyglucose f-18 fdg, diagnostic, per study dose, up to 45 millicuries (HCPCS:A9552)
  • Nuclear medicine study from skull base to mid-thigh with ct scan (HCPCS:78815)
  • Administration of chemotherapy into vein using push technique (HCPCS:96409)
  • Electrophoresis, laboratory testing technique (HCPCS:82664)
  • Telephone medical discussion with physician, 11-20 minutes (HCPCS:99442)
  • New patient office or other outpatient visit, 30-44 minutes (HCPCS:99203)
  • New patient office or other outpatient visit, 60-74 minutes (HCPCS:99205)
  • Infusion, normal saline solution, sterile (500 ml = 1 unit) (HCPCS:J7040)
  • Dxa bone density measurement of hip, pelvis, spine (HCPCS:77080)
  • Red blood cell sedimentation rate, to detect inflammation, non-automated (HCPCS:85651)
  • Initial hospital inpatient care per day, typically 50 minutes (HCPCS:99222)

The enumeration date for this NPI number is 5/22/2007 and was last updated on 4/8/2019.

Taxonomy Codes

The NPI record includes the healthcare provider taxonomy classification, state license number and state of licensure. The following information regarding the scope of practice of this provider is available:

No. Taxonomy Code Taxonomy Clasification Taxonomy Specialization License Number License State Primary
1207RH0003XInternal MedicineHematology & OncologyPG PERMIT# 80968ARIZONANo
2207RH0003XInternal MedicineHematology & Oncology036.120707ILLINOISYes

What is NPI?

NPI stands for National Provider Identifier. The NPI is a 10-digit identification number that is completely unique. The NPI number by itself does not contain any identifiable information such as a provider’s speciality or location. The NPI is assigned to individuals or organizacions for their lifespan and it is independent of key provider information type updates like a change of practices, location or speciality.

This page was last updated on: 11/21/2025

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