Doctor profile · Federal record

Dr. Leonard Hackett, M.D.

Hematology & Oncology Physician (CMS: Hematology) · Fresno, CA

  • NPI 1669466868
  • Accepts Medicare
  • MIPS 100.0 / 100 · 2023
  • 49 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
7130 N Millbrook Ave
Fresno, CA 937203347
(559) 326-1222
fax (559) 326-1225
Additional location
1125 E Spruce Ave Ste 103
Fresno, CA 937203387
(559) 878-4510
fax (559) 878-4515
Mailing address
Po Box 25100
Fresno, CA 937295100

Credentials & registration

NPPES · NUCC
NPI registered
September 2005 — 21 yrs on file
Profile last updated
October 9, 2025
Year of graduation
1977 — 49 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State license (1)
California #G52529

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1669466868. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
319,602
Distinct HCPCS
10
Medicare allowed
$4,194,329
HCPCS Description Services Patients Avg allowed
J0881 Injection, darbepoetin alfa, 1 microgram (non-esrd use) 90,100 91 $3
J1439 Injection, ferric carboxymaltose, 1 mg 77,251 73 $1
Q5125 Injection, filgrastim-ayow, biosimilar, (releuko), 1 microgram 33,120 14 $1
J9299 Injection, nivolumab, 1 mg 20,060 19 $30
J9144 Injection, daratumumab, 10 mg and hyaluronidase-fihj 14,580 13 $47
J0897 Injection, denosumab, 1 mg 10,620 49 $23
J0185 Injection, aprepitant, 1 mg 10,530 34 $2
J9271 Injection, pembrolizumab, 1 mg 8,200 16 $54
J1071 Injection, testosterone cypionate, 1 mg 6,900 22 $0
J1449 Injection, eflapegrastim-xnst, 0.1 mg 4,092 17 $32

In context: peer comparison

Among 8 peers in this city , average services per provider: 4,484. This provider delivers 71× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,428
Transactions
54
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals LP 5 $205.91
Celgene Corporation 13 $160.13
GlaxoSmithKline, LLC. 8 $149.04
Novartis Pharmaceuticals Corporation 5 $101.06
SEAGEN INC. 1 $99.99
Exelixis Inc. 4 $87.98
Agios Pharmaceuticals, Inc. 1 $74.67
Daiichi Sankyo Inc. 3 $70.73
ABBVIE INC. 3 $66.26
Regeneron Healthcare Solutions, Inc. 2 $65.79
E.R. Squibb & Sons, L.L.C. 3 $58.52
PFIZER INC. 3 $54.22
Lilly USA, LLC 1 $53.73
Stemline Therapeutics Inc. 1 $43.91
Ipsen Biopharmaceuticals, Inc 1 $38.34

By nature of payment

Food and Beverage
$1,275
Education
$154

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
860
Patients
168
Total drug cost
$1,138,370
Drug Type Claims Patients Total cost
Eliquis (Apixaban) Brand 134 22 $116,294
Prednisone Generic 88 25 $826
Ondansetron Hcl Generic 66 27 $1,416
Acyclovir Generic 63 15 $1,220
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 56 21 $1,792
Pantoprazole Sodium Generic 56 13 $982
Hydroxyurea Generic 55 16 $1,548
Potassium Chloride Generic 54 16 $1,619
Levothyroxine Sodium Generic 51 13 $2,333
Warfarin Sodium Generic 50 0 $590

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Leonard Hackett's medical specialty?
Dr. Leonard Hackett practices Hematology & Oncology Physician in Fresno, CA.
Where does Dr. Leonard Hackett practice?
Dr. Leonard Hackett practices at 7130 N Millbrook Ave, Fresno, CA 937203347. Office phone: 5593261222.
What is Dr. Leonard Hackett's NPI?
Dr. Leonard Hackett's National Provider Identifier (NPI) is 1669466868, issued by NPPES.
Does Dr. Leonard Hackett accept Medicare assignment?
Yes. Dr. Leonard Hackett accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Leonard Hackett commonly perform?
Top Medicare-reported procedures in 2023: Injection, darbepoetin alfa, 1 microgram (non-esrd use) (HCPCS J0881); Injection, ferric carboxymaltose, 1 mg (HCPCS J1439); Injection, filgrastim-ayow, biosimilar, (releuko), 1 microgram (HCPCS Q5125). Source: CMS Medicare Physician & Other Practitioners file.