Doctor profile · Federal record

Dr. Kioumars Bolourian Kashi, MD

Internal Medicine Physician (CMS: Internal Medicine) · Tarzana, CA

  • NPI 1851700132
  • Accepts Medicare
  • 24 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
18321 Clark St
Tarzana, CA 913563501
(818) 823-8911
fax (310) 423-8441
Additional location
1600 N Rose Ave
Oxnard, CA 930303722
(805) 988-2505
fax (805) 988-2502
Mailing address
4140 W 190Th St
Torrance, CA 905045513

Credentials & registration

NPPES · NUCC
NPI registered
August 2014 — 12 yrs on file
Profile last updated
August 12, 2025
Year of graduation
2002 — 24 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #A150087

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1851700132. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
902
Distinct HCPCS
4
Medicare allowed
$110,226
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 506 188 $123
99239 Hospital discharge day management, more than 30 minutes 160 150 $120
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 138 75 $82
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 98 97 $179

In context: peer comparison

Among 15 peers in this city , average services per provider: 180. This provider delivers 5.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$141
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Boston Scientific Corporation 1 $140.87

By nature of payment

Food and Beverage
$141

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
170
Patients
152
Total drug cost
$8,001
Drug Type Claims Patients Total cost
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 27 26 $263
Pantoprazole Sodium Generic 18 15 $169
Amlodipine Besylate Generic 15 15 $68
Metoprolol Succinate Generic 14 12 $145
Prednisone Generic 14 13 $53
Furosemide Generic 13 13 $50
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 13 13 $78
Doxycycline Hyclate Generic 12 12 $100
Atorvastatin Calcium Generic 11 11 $95
Eliquis (Apixaban) Brand 11 11 $6,749

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Kioumars Bolourian Kashi's medical specialty?
Dr. Kioumars Bolourian Kashi practices Internal Medicine Physician in Tarzana, CA.
Where does Dr. Kioumars Bolourian Kashi practice?
Dr. Kioumars Bolourian Kashi practices at 18321 Clark St, Tarzana, CA 913563501. Office phone: 8188238911.
What is Dr. Kioumars Bolourian Kashi's NPI?
Dr. Kioumars Bolourian Kashi's National Provider Identifier (NPI) is 1851700132, issued by NPPES.
Does Dr. Kioumars Bolourian Kashi accept Medicare assignment?
Yes. Dr. Kioumars Bolourian Kashi accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Kioumars Bolourian Kashi commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99239); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.