Doctor profile · Federal record

Dr. Matt Rostami, M.D

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

  • NPI 1184026833
  • Accepts Medicare
  • 26 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
(310) 423-5252
fax (310) 423-8441
Additional location
215 W Janss RD
Thousand Oaks, CA 913601847
(805) 370-4552
Mailing address
4140 W 190Th St
Torrance, CA 905045513

Credentials & registration

NPPES · NUCC
NPI registered
September 2014 — 12 yrs on file
Profile last updated
November 8, 2024
Year of graduation
2000 — 26 yrs since
Specialty taxonomy
208M00000X — NUCC code
State license (1)
California #A135686

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1184026833. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,108
Distinct HCPCS
5
Medicare allowed
$141,041
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 686 219 $124
99239 Hospital discharge day management, more than 30 minutes 183 177 $120
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 149 143 $179
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 69 41 $82
99497 Advance care planning, first 30 minutes 21 21 $79

In context: peer comparison

Among 6 peers in Tarzana Hospitalist Physician, average services per provider: 187. This provider delivers 5.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$122
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Regeneron Healthcare Solutions, INC. 1 $121.89

By nature of payment

Food and Beverage
$122

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Matt Rostami's medical specialty?
Dr. Matt Rostami practices Hospitalist Physician in Tarzana, CA.
Where does Dr. Matt Rostami practice?
Dr. Matt Rostami practices at 18321 Clark St, Tarzana, CA 913563501. Office phone: 3104235252.
What is Dr. Matt Rostami's NPI?
Dr. Matt Rostami's National Provider Identifier (NPI) is 1184026833, issued by NPPES.
Does Dr. Matt Rostami accept Medicare assignment?
Yes. Dr. Matt Rostami accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Matt Rostami 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); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.