Doctor profile · Federal record

Dr. Matthew Carroll

Hospitalist Physician (CMS: Hospitalist) · Internal Medicine Physician · Santa Monica, CA

  • NPI 1508325580
  • Accepts Medicare
  • MIPS 84.9 / 100 · 2023
  • 7 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1250 16Th St # C2304
Santa Monica, CA 904041249
(310) 319-4698
fax (310) 319-4908
Additional location
757 Westwood Plaza, Internal Medicine
Los Angeles, CA 900957419
(310) 825-7375
Mailing address
5767 W Century Blvd Ste 400
Los Angeles, CA 900455631

Credentials & registration

NPPES · NUCC
NPI registered
March 2019 — 7 yrs on file
Profile last updated
March 1, 2023
Year of graduation
2019 — 7 yrs since
Specialty taxonomy
208M00000X — NUCC code
State license (1)
California #A177194

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1508325580. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
134
Distinct HCPCS
2
Medicare allowed
$23,754
HCPCS Description Services Patients Avg allowed
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 119 110 $182
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 15 14 $137

In context: peer comparison

Among 43 peers in Santa Monica Hospitalist Physician, average services per provider: 116. This provider delivers 1.2× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Matthew Carroll's medical specialty?
Dr. Matthew Carroll practices Hospitalist Physician in Santa Monica, CA.
Where does Dr. Matthew Carroll practice?
Dr. Matthew Carroll practices at 1250 16Th St # C2304, Santa Monica, CA 904041249. Office phone: 3103194698.
What is Dr. Matthew Carroll's NPI?
Dr. Matthew Carroll's National Provider Identifier (NPI) is 1508325580, issued by NPPES.
Does Dr. Matthew Carroll accept Medicare assignment?
Yes. Dr. Matthew Carroll accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Matthew Carroll commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with moderate level of medical decision making (HCPCS 99223); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.