Doctor profile · Federal record

Dr. Gregory Hallert, MD

Emergency Medicine Physician (CMS: Emergency Medicine) · Family Medicine Physician · Emergency Medical Services (Emergency Medicine) Physician · Los Angeles, CA

  • NPI 1801882071
  • Accepts Medicare
  • MIPS 78.8 / 100 · 2023
  • 27 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
8700 Beverly Blvd
Los Angeles, CA 900481865
(310) 423-8600
fax (310) 967-1800
Mailing address
Po Box 51258
Los Angeles, CA 900515558

Credentials & registration

NPPES · NUCC
NPI registered
September 2005 — 21 yrs on file
Profile last updated
August 14, 2014
Year of graduation
1999 — 27 yrs since
Specialty taxonomy
207P00000X — NUCC code
State license (1)
California #A73357

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1801882071. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,364
Distinct HCPCS
5
Medicare allowed
$142,276
HCPCS Description Services Patients Avg allowed
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 583 548 $9
99285 Emergency department visit with high level of medical decision making 517 508 $184
99284 Emergency department visit with moderate level of medical decision making 161 160 $127
99291 Critical care, first 30-74 minutes 92 91 $226
99283 Emergency department visit with low level of medical decision making 11 11 $75

In context: peer comparison

Among 185 peers in Los Angeles Emergency Medicine Physician, average services per provider: 87. This provider delivers 16× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
29
Patients
29
Total drug cost
$401
Drug Type Claims Patients Total cost
Cephalexin Generic 16 16 $124
Cefdinir Generic 13 13 $277

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Gregory Hallert's medical specialty?
Dr. Gregory Hallert practices Emergency Medicine Physician in Los Angeles, CA.
Where does Dr. Gregory Hallert practice?
Dr. Gregory Hallert practices at 8700 Beverly Blvd, Los Angeles, CA 900481865. Office phone: 3104238600.
What is Dr. Gregory Hallert's NPI?
Dr. Gregory Hallert's National Provider Identifier (NPI) is 1801882071, issued by NPPES.
Does Dr. Gregory Hallert accept Medicare assignment?
Yes. Dr. Gregory Hallert accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gregory Hallert commonly perform?
Top Medicare-reported procedures in 2023: Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284). Source: CMS Medicare Physician & Other Practitioners file.