DR. WILLIAM N. HARWIN M.D. NPI 1164413589

NPI Information

  • NPI: 1164413589
  • Provider Name: DR. WILLIAM N. HARWIN, M.D.
  • Classification: Internal Medicine - 207RX0202X
  • Specialization: Medical Oncology
  • Entity Type: Individual
  • Address: 14270 ROYAL HARBOUR CT UNIT 1021
    FORT MYERS, FL
    ZIP 33908
  • Phone: (239) 485-2083

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NPI Details

DR. William N. Harwin, M.D. is a medical oncology internal medicine in Fort Myers, FL. The provider is an internist who specializes in the diagnosis and treatment of all types of cancer and other benign and malignant tumors. This specialist decides on and administers therapy for these malignancies as well as consults with surgeons and radiotherapists on other treatments for cancer. DR. William N. Harwin, M.D. NPI is 1164413589. The provider is registered as an individual entity type.

The NPPES NPI record indicates the provider is a male.

The provider's business location address is:

14270 ROYAL HARBOUR CT UNIT 1021
FORT MYERS, FL
ZIP 33908-577
Phone: (239) 485-2083

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, nivolumab, 1 mg (HCPCS:J9299)
  • Injection, ferumoxytol, for treatment of iron deficiency anemia, 1 mg (non-esrd use) (HCPCS:Q0138)
  • Injection, pembrolizumab, 1 mg (HCPCS:J9271)
  • Injection, filgrastim-sndz, biosimilar, (zarxio), 1 microgram (HCPCS:Q5101)
  • Injection, aprepitant, 1 mg (HCPCS:J0185)
  • Injection, epoetin alfa, (for non-esrd use), 1000 units (HCPCS:J0885)
  • Injection, denosumab, 1 mg (HCPCS:J0897)
  • Injection, dexamethasone sodium phosphate, 1 mg (HCPCS:J1100)
  • Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (HCPCS:85025)
  • Insertion of needle into vein for collection of blood sample (HCPCS:36415)
  • Established patient office or other outpatient visit, 30-39 minutes (HCPCS:99214)
  • Injection, palonosetron hcl, 25 mcg (HCPCS:J2469)
  • Injection, ondansetron hydrochloride, per 1 mg (HCPCS:J2405)
  • Blood test, comprehensive group of blood chemicals (HCPCS:80053)
  • Injection, leucovorin calcium, per 50 mg (HCPCS:J0640)
  • Administration of chemotherapy into vein, 1 hour or less (HCPCS:96413)
  • Injection of drug or substance under skin or into muscle (HCPCS:96372)
  • Injection of additional new drug or substance into vein (HCPCS:96375)
  • Injection, fluorouracil, 500 mg (HCPCS:J9190)
  • Injection, gemcitabine hydrochloride, not otherwise specified, 200 mg (HCPCS:J9201)
  • Infusion into a vein for therapy, prevention, or diagnosis, additional sequential infusion, 1 hour or less (HCPCS:96367)
  • Injection, carboplatin, 50 mg (HCPCS:J9045)
  • Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less (HCPCS:96365)
  • Infusion into a vein for therapy, prevention, or diagnosis, each additional hour (HCPCS:96366)
  • Injection, diphenhydramine hcl, up to 50 mg (HCPCS:J1200)
  • Established patient office or other outpatient visit, 20-29 minutes (HCPCS:99213)
  • Injection, zoledronic acid, 1 mg (HCPCS:J3489)
  • Administration of non-hormonal anti-neoplastic chemotherapy under skin or into muscle (HCPCS:96401)
  • Infusion into a vein for hydration, each additional hour (HCPCS:96361)
  • Infusion, normal saline solution , 1000 cc (HCPCS:J7030)
  • Immunologic analysis for detection of tumor antigen, quantitative; ca 15-3 (HCPCS:86300)
  • Blood test, thyroid stimulating hormone (tsh) (HCPCS:84443)
  • Measurement of immunoglobulin light chains (HCPCS:83521)
  • Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional (HCPCS:99211)
  • Magnesium level (HCPCS:83735)
  • Gammaglobulin (immune system protein) measurement (HCPCS:82784)
  • Administration of chemotherapy into vein, each additional hour (HCPCS:96415)
  • Leuprolide acetate (for depot suspension), 7.5 mg (HCPCS:J9217)
  • Administration of hormonal anti-neoplastic chemotherapy under skin or into muscle (HCPCS:96402)
  • Infusion into a vein for hydration, 31-60 minutes (HCPCS:96360)
  • Administration of additional new drug or substance into vein, 1 hour or less (HCPCS:96417)
  • Ferritin (blood protein) level (HCPCS:82728)
  • Carcinoembryonic antigen (cea) protein level (HCPCS:82378)
  • Iron level (HCPCS:83540)
  • Protein measurement, serum (HCPCS:84165)
  • Psa (prostate specific antigen) measurement, total (HCPCS:84153)
  • Iron binding capacity (HCPCS:83550)
  • Lactate dehydrogenase (enzyme) level (HCPCS:83615)
  • Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg (HCPCS:J3420)
  • Injection, methylprednisolone sodium succinate, up to 125 mg (HCPCS:J2930)
  • Uric acid level, blood (HCPCS:84550)
  • Administration of additional new drug or substance into vein using push technique (HCPCS:96411)
  • Phosphate level (HCPCS:84100)
  • 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)
  • Infusion, normal saline solution, sterile (500 ml = 1 unit) (HCPCS:J7040)
  • Measure of severe acute respiratory syndrome coronavirus 2 (covid-19) antibody (HCPCS:86769)
  • Established patient office or other outpatient visit, 40-54 minutes (HCPCS:99215)
  • Injection of drug or substance into vein (HCPCS:96374)
  • Immunologic analysis technique on serum (immunofixation) (HCPCS:86334)
  • Injection, methylprednisolone sodium succinate, up to 40 mg (HCPCS:J2920)
  • Cyanocobalamin (vitamin b-12) level (HCPCS:82607)
  • Automated urinalysis test (HCPCS:81003)
  • New patient office or other outpatient visit, 60-74 minutes (HCPCS:99205)
  • Infusion into a vein for therapy, prevention, or diagnosis concurrent with another infusion (HCPCS:96368)
  • Blood test, lipids (cholesterol and triglycerides) (HCPCS:80061)
  • Immunologic analysis for detection of tumor antigen, quantitative; ca 19-9 (HCPCS:86301)
  • Established patient office or other outpatient visit, 10-19 minutes (HCPCS:99212)
  • Administration of chemotherapy into vein using push technique (HCPCS:96409)
  • Urinalysis, manual test (HCPCS:81002)
  • Blood test, basic group of blood chemicals (calcium, total) (HCPCS:80048)
  • Hemoglobin a1c level (HCPCS:83036)
  • New patient office or other outpatient visit, 45-59 minutes (HCPCS:99204)
  • Red blood count, automated test (HCPCS:85045)
  • Thyroxine (thyroid chemical), free (HCPCS:84439)
  • 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)
  • Folic acid level, serum (HCPCS:82746)

The enumeration date for this NPI number is 11/3/2005 and was last updated on 9/1/2023.

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
1207RH0000XInternal MedicineHematologyME35430FLORIDANo
2207RX0202XInternal MedicineMedical OncologyME35430FLORIDAYes

Other Identifiers

The following information regarding additional identifiers associated to this NPI record includes the other identifier number, identifier type, identifier state and issuer.

No. Other Provider Identifier Other Provider Identifier Type Other Provider Identifier State Other Provider Identifier Issuer
1068502000MEDICAIDFLORIDA
296339OTHERFLORIDABCBS
3830004832OTHERFLORIDARR MEDICARE

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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