Doctor profile · Federal record

Dr. William Harwin, M.D.

Medical Oncology Physician · Hematology (Internal Medicine) Physician · Fort Myers, FL

  • NPI 1164413589
  • MIPS 75.0 / 100 · 2023
  • 21 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
14270 Royal Harbour CT Unit 1021
Fort Myers, FL 339086577
(239) 485-2083

Credentials & registration

NPPES · NUCC
NPI registered
November 2005 — 21 yrs on file
Profile last updated
September 1, 2023
Specialty taxonomy
207RX0202X — NUCC code
State license (1)
Florida #ME35430
Medicaid
FL #068502000

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1164413589. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
85,686
Distinct HCPCS
10
Medicare allowed
$1,874,501
HCPCS Description Services Patients Avg allowed
J9271 Injection, pembrolizumab, 1 mg 18,200 20 $54
Q0138 Injection, ferumoxytol, for treatment of iron deficiency anemia, 1 mg (non-esrd use) 17,340 19 $1
J0185 Injection, aprepitant, 1 mg 11,440 27 $2
J9299 Injection, nivolumab, 1 mg 9,820 11 $30
J0885 Injection, epoetin alfa, (for non-esrd use), 1000 units 7,590 30 $8
J0897 Injection, denosumab, 1 mg 7,140 34 $23
J1100 Injection, dexamethasone sodium phosphate, 1 mg 2,926 51 $0
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 1,469 461 $8
36415 Insertion of needle into vein for collection of blood sample 1,288 430 $8
J2469 Injection, palonosetron hcl, 25 mcg 1,230 33 $1

In context: peer comparison

Among 9 peers in this city , average services per provider: 2,464. This provider delivers 35× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$19
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
E.R. Squibb & Sons, L.L.C. 1 $18.94

By nature of payment

Food and Beverage
$19

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
648
Patients
166
Total drug cost
$2,227,104
Drug Type Claims Patients Total cost
Letrozole Generic 111 38 $4,517
Levothyroxine Sodium Generic 73 26 $718
Hydroxyurea Generic 59 15 $3,023
Prednisone Generic 54 16 $224
Ibrance (Palbociclib) Brand 48 0 $761,779
Revlimid (Lenalidomide) Brand 48 0 $879,522
Tamoxifen Citrate Generic 37 11 $1,138
Acyclovir Generic 34 13 $870
Ondansetron Odt (Ondansetron) Brand 34 24 $674
Lorazepam Generic 32 11 $301

Frequently asked questions

Auto-generated from federal data
What is Dr. William Harwin's medical specialty?
Dr. William Harwin practices Medical Oncology Physician in Fort Myers, FL.
Where does Dr. William Harwin practice?
Dr. William Harwin practices at 14270 Royal Harbour CT Unit 1021, Fort Myers, FL 339086577. Office phone: 2394852083.
What is Dr. William Harwin's NPI?
Dr. William Harwin's National Provider Identifier (NPI) is 1164413589, issued by NPPES.
What procedures does Dr. William Harwin commonly perform?
Top Medicare-reported procedures in 2023: Injection, pembrolizumab, 1 mg (HCPCS J9271); Injection, ferumoxytol, for treatment of iron deficiency anemia, 1 mg (non-esrd use) (HCPCS Q0138); Injection, aprepitant, 1 mg (HCPCS J0185). Source: CMS Medicare Physician & Other Practitioners file.