Dr. William N. Harwin, MD

  • Cape Coral, FL
  • Medical oncologist
NPI1164413589
Medicare services, 2023
85,686
Part D claims, 2024
52
Publications
9
Clinical trials
3
Industry payments
$104,850
Practice address
3238 Cove Bend Dr, Tampa, FL 33613-2752
Practice phone
Call (813) 632-7547
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Florida Cancer Specialists P L

Medical specialty practice · Tampa, Florida

See all 7 affiliations

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Dr. William N. Harwin is a medical oncologist in Cape Coral, Florida

Dr. Harwin practices at Florida Cancer Specialists P L in Tampa, Florida.

Dr. Harwin's NPI, 1164413589, was assigned on November 3, 2005. Dr. Harwin graduated from Baylor College Of Medicine in 1978. Dr. Harwin's Florida license number on file is ME35430.

NPI and contact details
NPI enumeration date
November 3, 2005
NPI status
Active
Practice phone
(813) 632-7547
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
74
Medical school graduation
1978

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. William N. Harwin practices in Tampa and Cape Coral

Dr. Harwin's primary practice is Florida Cancer Specialists P L, at 3238 Cove Bend Dr, Tampa, FL 33613-2752. The practice phone is (813) 632-7547. The NPI Registry lists Dr. Harwin's practice address as 1708 Cape Coral W Pkwy, Cape Coral, FL 33914.

  • Florida Cancer Specialists P LPrimary
    3238 Cove Bend Dr, Tampa, FL 33613-2752Phone(813) 632-7547
  • NPI Registry address
    1708 Cape Coral W Pkwy, Cape Coral, FL 33914 · Lee CountyPhone(239) 485-2083

Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data

Dr. William N. Harwin is affiliated with 3 sites of care and 4 medical groups

Dr. Harwin's primary practice is Florida Cancer Specialists P L in Tampa, Florida. The medical group on file is Florida Cancer Specialists & Research Institute. Dmand AI also links Dr. Harwin to 3 more medical groups and 2 group practices and clinics, each named with a free account.

See all 7 affiliations for Dr. Harwin

Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dmand AI tracks the EHR system at Dr. William N. Harwin's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Harwin practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Florida Cancer Specialists P LAvailable with a free account
+2 more sites and 3 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. William N. Harwin is one of 477 medical oncologists in Florida

Medical oncology is Dr. Harwin's primary specialty in the NPI Registry, under taxonomy code 207RX0202X. Dr. Harwin is board certified in hematology by the American Board of Internal Medicine. Dmand AI has Dr. Harwin's licenses on file in 2 states: Florida and Utah.

Specialties and state licenses

  • Medical oncology, FloridaPrimaryLicense ME35430 · 1979 to 2025 · taxonomy 207RX0202X
  • Utah license2003 to 2024

Clinical focus

Dmand AI lists breast cancer, chronic anemia, chronic leukemia, colorectal cancer, fluid and electrolyte imbalances, lung cancer, lymphoma and multiple myeloma among the conditions Dr. Harwin treats.

Medical oncologists near Dr. Harwin

Counts of medical oncologists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. William N. Harwin billed Medicare for 85,686 services in 2023

CMS data shows 85,686 Medicare services from Dr. Harwin across 45 procedure codes in 2023. Medicare paid $1,483,454 for them. Every service was in an office.

Medicare services, 202385,686
Paid by Medicare$1.5M
Procedure codes45

Dr. Harwin's Medicare services by type, 2022 to 2023

  • 2022
  • 2023
Drugs given in the office
2022: 81,5012023: 61,51125%
Other services
2022: 38,9182023: 17,38955%
Tests and treatments
2022: 3,6862023: 2,55631%
Lab and pathology
2022: 5,5182023: 1,51673%
Office and hospital visits
2022: 2,1932023: 1,42635%
Surgery
2022: 2,2352023: 1,28842%

Dr. Harwin compared with the Florida median for medical oncologists, 2023

  • Dr. Harwin
  • Florida median
Medicare services
85,686vs 19,7554.3 times
Part D claims
14vs 59898% below

Medians across 462 medical oncologists in Florida with Dmand AI profiles that report each measure.

Dr. Harwin's most billed Medicare procedure codes, 2023

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Harwin

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Harwin and other medical oncologists in Florida.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. William N. Harwin's patients have a median age of 70

Across all payers, Dmand AI patient panel data puts Dr. Harwin's median patient age at 70, with 78% women.

Dr. Harwin's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 70

Patient panel by sex, all payers

  • Women78%
  • Men22%

Source: Dmand AI Patient Panel Data

Dr. William N. Harwin wrote 52 Medicare Part D claims in 2024

In 2024, Dr. Harwin wrote 52 Medicare Part D claims for 38 patients. 87% of them were for generic drugs. CMS names the drug for 14 of them, across 1 drug with 11 or more claims each, at $400 in total drug cost. In 2023, CMS named 833 claims across 27 drugs.

Part D claims, 202452
Drugs named by CMS1
Total drug cost$400
Part D patients38

Dr. Harwin's Part D claims by kind of drug, 2024

  • Generic45 claims87%
  • Brand-name and other7 claims13%

Dr. Harwin's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 8332024: 1498%

Drugs named by CMS: 1 in 2024, 27 in 2023.

See all prescribing by Dr. Harwin

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

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Dr. William N. Harwin has 9 publications on record

Dmand AI links 9 papers to Dr. Harwin, published from 2015 to 2017. 2015 was the busiest year, with 2. The most frequent topics are Antineoplastic Combined Chemotherapy Protocols, Doxorubicin and Paclitaxel. Dr. Harwin has published most often in Breast Cancer Res Treat. Dr. Harwin's most frequent co-authors are Linda Diana Bosserman, FACP, MD, John D. Hainsworth, MD and Daniel E. Dosoretz, MD.

Papers9
Years published2015 to 2017

Dr. Harwin's papers by year, 2015 to 2017

Topics Dr. Harwin writes about most

  • Antineoplastic Combined Chemotherapy Protocols
  • Doxorubicin
  • Paclitaxel

Dr. Harwin's most frequent co-authors

Recent publications by Dr. Harwin

See all 9 publications and co-authors

See who Dr. Harwin researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Harwin works with, so you can find a warm path to the right medical oncologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. William N. Harwin has worked on 3 clinical trials

Dmand AI links Dr. Harwin to 3 clinical trials. 2 are still active or recruiting. Conditions studied include Carcinoma, Non-Small-Cell Lung, Lymphoma, Large B-Cell, Diffuse and Rectal Diseases.

Clinical trials with Dr. Harwin by phase

  1. NonePhase 1: no trials
  2. 1Phase 2: 1 trial
  3. 1Phase 3: 1 trial
  4. NonePhase 4: no trials

Conditions in Dr. Harwin's trials

  • Carcinoma, Non-Small-Cell Lung
  • Lymphoma, Large B-Cell, Diffuse
  • Rectal Diseases
  • Carcinoma, Bronchogenic
  • Colorectal Neoplasms

Investigators on the most trials with Dr. Harwin

Recent clinical trials with Dr. Harwin

Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Dr. William N. Harwin received $104,850 in industry payments from 2016 to 2024

CMS Open Payments shows 344 general payments to Dr. Harwin from 57 drug and device companies from 2016 to 2024. Consulting fees make up the largest share, 48% of the total. Daiichi Sankyo Inc. paid the most, $25,581.

General payments to Dr. Harwin by program year, 2016 to 2024

General payments to Dr. Harwin by kind, 2016 to 2024

$104.8Kin total
  • Consulting fees$50,24648%
  • Speaker and faculty fees$23,79823%
  • Honoraria$12,02811%
  • Food and beverage$11,68611%
  • Other$7,0937%

Companies that paid Dr. Harwin the most, 2016 to 2024

Share is of all general payments to this clinician.

See all payments to Dr. Harwin

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. William N. Harwin has 5 awards and honors on record

Dmand AI lists 5 awards for Dr. Harwin, most recently CMS Stage 1 EHR in 2014.

Awards and honors for Dr. Harwin

  1. 2014
    • CMS Stage 1 EHR
    • Gulfshore Life Magazine: Top Doctors
  2. 2012
    • Super Doc
  3. 2011
    • Checkbook Top Doc
  4. 2000
    • Top Doctors: Florida

Source: Dmand AI Professional Profile Data

Dr. William N. Harwin graduated from Baylor College Of Medicine

Dr. Harwin graduated from Baylor College Of Medicine in 1978. Dr. Harwin is a member of ASCO.

  1. Medical schoolBaylor College Of Medicine
  2. Board certified in hematologyAmerican Board of Internal Medicine
  3. Board certified in internal medicineAmerican Board of Internal Medicine
  4. Board certified in medical oncologyAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. William N. Harwin accepts plans from 2 insurance carriers

Dr. Harwin is in network with 2 carriers, including Cigna and GA State Medicaid. HMO plans come from the most carriers, 1. Check the plan with the practice before a visit.

  • Cigna
  • GA State Medicaid

Plan types Dr. Harwin accepts, by number of carriers

  1. HMO1
  2. Medicaid1
  3. Medicare1
  4. PPO1

Source: Dmand AI Insurance Network Data

Sources for Dr. William N. Harwin's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. William N. Harwin

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. William N. Harwin's NPI number?

Dr. William N. Harwin's NPI number is 1164413589. It was assigned on November 3, 2005, and it is active in the NPI Registry.

What kind of doctor is Dr. William N. Harwin?

Dr. William N. Harwin is a medical oncologist in Cape Coral, Florida. The primary specialty in the NPI Registry is Medical Oncology Physician (taxonomy code 207RX0202X).

Where does Dr. William N. Harwin practice?

Dr. Harwin practices at 3238 Cove Bend Dr, Tampa, FL 33613-2752. Dr. Harwin also practices at 1708 Cape Coral W Pkwy, Cape Coral, FL 33914. Dr. Harwin's primary practice is Florida Cancer Specialists P L in Tampa, Florida. Dmand AI also links Dr. Harwin to 3 medical groups and 2 group practices and clinics.

What is Dr. William N. Harwin's office phone number?

The practice phone on file for Dr. Harwin is (813) 632-7547.

What is Dr. William N. Harwin's medical license number?

Dr. Harwin's Florida license number on file is ME35430, one of the licenses on file in 2 states.

Which states has Dr. William N. Harwin been licensed in?

Dmand AI has state licenses on file for Dr. Harwin in Florida (1979 to 2025) and Utah (2003 to 2024).

What medical group is Dr. William N. Harwin part of?

Dr. Harwin is linked to Florida Cancer Specialists & Research Institute. Dmand AI links Dr. Harwin to 3 more medical groups.

Does Dr. William N. Harwin accept Medicare?

Yes. CMS data shows Dr. Harwin billed Medicare for 85,686 services in 2023.

Is Dr. William N. Harwin board certified?

Yes. Dr. Harwin is board certified in hematology by the American Board of Internal Medicine.

What services does Dr. William N. Harwin bill to Medicare?

In 2023, Dr. Harwin's most billed Medicare services were injected or infused drug (J9271), medicare temporary code (Q0138) and injected or infused drug (J0185).

Show 7 more questionsShow fewer questions

Where did Dr. William N. Harwin go to medical school?

Dr. Harwin graduated from Baylor College Of Medicine in 1978.

What drugs does Dr. William N. Harwin prescribe most?

In 2024 Medicare Part D data, Dr. Harwin's most prescribed drugs by claims were Letrozole.

Has Dr. William N. Harwin received payments from drug or device companies?

CMS Open Payments shows $104,850 in general payments to Dr. Harwin from 57 companies from 2016 to 2024. The largest total came from Daiichi Sankyo Inc.

How long has Dr. William N. Harwin been practicing?

Dr. Harwin graduated from medical school in 1978, 48 years ago.

Does Dr. William N. Harwin do research?

Dmand AI links 9 publications to Dr. Harwin, published from 2015 to 2017. Dr. Harwin has worked on 3 clinical trials.

Who does Dr. William N. Harwin publish with?

Dr. Harwin's most frequent co-authors are Linda Diana Bosserman, FACP, MD (3 shared papers), John D. Hainsworth, MD (3 shared papers) and Daniel E. Dosoretz, MD (2 shared papers).

What insurance does Dr. William N. Harwin accept?

Dr. Harwin is in network with 2 carriers, including Cigna and GA State Medicaid. HMO plans come from the most carriers, 1. Check the plan with the practice before a visit.

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