Doctor profile · Federal record

Dr. David Koster, M.D.

Hematology & Oncology Physician · Fresno, CA

  • NPI 1063406163
  • 21 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
7130 N Millbrook Ave, Suite 100
Fresno, CA 937203347
(559) 326-1238
fax (559) 326-1230

Credentials & registration

NPPES · NUCC
NPI registered
September 2005 — 21 yrs on file
Profile last updated
November 5, 2021
Specialty taxonomy
207RH0003X — NUCC code
State license (1)
California #G64875
Medicaid
CA #ZZZ75882Z

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1063406163. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,497
Distinct HCPCS
4
Medicare allowed
$147,678
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 1,324 447 $97
99442 Telephone medical discussion with physician, 11-20 minutes 96 80 $66
99205 New patient office or other outpatient visit, 60-74 minutes 64 64 $181
99213 Established patient office or other outpatient visit, 20-29 minutes 13 13 $66

In context: peer comparison

Among 8 peers in this city , average services per provider: 4,484. This provider delivers 0.3× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
894
Patients
187
Total drug cost
$3,130,442
Drug Type Claims Patients Total cost
Anastrozole Generic 135 30 $2,629
Hydroxyurea Generic 83 18 $2,873
Abiraterone Acetate Generic 69 0 $284,075
Prednisone Generic 69 15 $552
Imbruvica (Ibrutinib) Brand 66 0 $1,121,669
Xtandi (Enzalutamide) Brand 64 0 $941,711
Oxycodone Hcl Generic 54 11 $1,752
Prochlorperazine Maleate Generic 54 37 $1,052
Letrozole Generic 49 14 $1,633
Acyclovir Generic 47 0 $704

Frequently asked questions

Auto-generated from federal data
What is Dr. David Koster's medical specialty?
Dr. David Koster practices Hematology & Oncology Physician in Fresno, CA.
Where does Dr. David Koster practice?
Dr. David Koster practices at 7130 N Millbrook Ave, Fresno, CA 937203347. Office phone: 5593261238.
What is Dr. David Koster's NPI?
Dr. David Koster's National Provider Identifier (NPI) is 1063406163, issued by NPPES.
What procedures does Dr. David Koster commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Telephone medical discussion with physician (HCPCS 99442); New patient office or other outpatient visit (HCPCS 99205). Source: CMS Medicare Physician & Other Practitioners file.