Doctor profile · Federal record

Dr. Matthew Rosen

Emergency Medicine Physician · Los Angeles, CA

  • NPI 1033503347
  • MIPS 86.3 / 100 · 2023
  • 11 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
924 Westwood Blvd Ste 300
Los Angeles, CA 900242924
(310) 794-0585
Mailing address
400 W Pueblo St
Santa Barbara, CA 931054353

Credentials & registration

NPPES · NUCC
NPI registered
March 2015 — 11 yrs on file
Profile last updated
September 26, 2023
Specialty taxonomy
207P00000X — NUCC code
State license (1)
California #A144814

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1033503347. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
219
Distinct HCPCS
6
Medicare allowed
$26,271
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 66 65 $181
93042 Electrocardiogram (ecg) 1 to 3 leads with review by physician only 58 57 $7
99284 Emergency department visit with moderate level of medical decision making 44 43 $126
99291 Critical care, first 30-74 minutes 23 21 $220
99283 Emergency department visit with low level of medical decision making 17 16 $75
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 11 11 $184

In context: peer comparison

Among 185 peers in Los Angeles Emergency Medicine Physician, average services per provider: 87. This provider delivers 2.5× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
193
Patients
188
Total drug cost
$1,823
Drug Type Claims Patients Total cost
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 49 48 $284
Ondansetron Odt (Ondansetron) Brand 38 38 $228
Cephalexin Generic 21 21 $240
Prednisone Generic 18 18 $111
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 16 12 $442
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 14 14 $216
Ibuprofen Generic 13 13 $92
Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) Brand 13 13 $91
Doxycycline Monohydrate Generic 11 11 $119

Frequently asked questions

Auto-generated from federal data
What is Dr. Matthew Rosen's medical specialty?
Dr. Matthew Rosen practices Emergency Medicine Physician in Los Angeles, CA.
Where does Dr. Matthew Rosen practice?
Dr. Matthew Rosen practices at 924 Westwood Blvd Ste 300, Los Angeles, CA 900242924. Office phone: 3107940585.
What is Dr. Matthew Rosen's NPI?
Dr. Matthew Rosen's National Provider Identifier (NPI) is 1033503347, issued by NPPES.
What procedures does Dr. Matthew Rosen commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Electrocardiogram (ecg) 1 to 3 leads with review by physician only (HCPCS 93042); Emergency department visit with moderate level of medical decision making (HCPCS 99284). Source: CMS Medicare Physician & Other Practitioners file.