Doctor profile · Federal record

Dr. Larry Halem, M.D.

Emergency Medicine Physician (CMS: Emergency Medicine) · Santa Monica, CA

  • NPI 1568574937
  • Accepts Medicare
  • MIPS 93.2 / 100 · 2023
  • 23 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1250 16Th St, Emergency Department
Santa Monica, CA 904041249
(310) 319-4000
Mailing address
4551 Glencoe Ave, Suite 260
Marina del Rey, CA 902926385

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Year of graduation
2003 — 23 yrs since
Specialty taxonomy
207P00000X — NUCC code
State license (1)
California #A89000

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1568574937. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
693
Distinct HCPCS
4
Medicare allowed
$113,996
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 297 284 $182
99284 Emergency department visit with moderate level of medical decision making 212 206 $126
99291 Critical care, first 30-74 minutes 132 126 $224
99283 Emergency department visit with low level of medical decision making 52 51 $74

In context: peer comparison

Among 21 peers in Santa Monica Emergency Medicine Physician, average services per provider: 107. This provider delivers 6.5× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
609
Patients
597
Total drug cost
$7,961
Drug Type Claims Patients Total cost
Ibuprofen Generic 153 145 $707
Ondansetron Odt (Ondansetron) Brand 87 87 $923
Cephalexin Generic 64 64 $873
Cyclobenzaprine Hcl Generic 52 52 $383
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 36 36 $1,178
Pantoprazole Sodium Generic 35 33 $324
Methylprednisolone Generic 31 31 $340
Naloxone Hcl Generic 28 27 $2,306
Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) Brand 21 21 $168
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 20 20 $219

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Larry Halem's medical specialty?
Dr. Larry Halem practices Emergency Medicine Physician in Santa Monica, CA.
Where does Dr. Larry Halem practice?
Dr. Larry Halem practices at 1250 16Th St, Santa Monica, CA 904041249. Office phone: 3103194000.
What is Dr. Larry Halem's NPI?
Dr. Larry Halem's National Provider Identifier (NPI) is 1568574937, issued by NPPES.
Does Dr. Larry Halem accept Medicare assignment?
Yes. Dr. Larry Halem accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Larry Halem commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.