Doctor profile · Federal record

Dr. David Merin, MD

Emergency Medicine Physician · Orange, CA

  • NPI 1811929979
  • 20 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1100 W Stewart Dr
Orange, CA 928683849
(714) 633-9111
Mailing address
Po Box 690
Long Beach, CA 908010690

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
April 30, 2008
Specialty taxonomy
207P00000X — NUCC code
State license (1)
California #A66968
Medicaid
CA #00A669680

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1811929979. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
182
Distinct HCPCS
5
Medicare allowed
$28,379
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 56 56 $184
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 37 37 $186
99291 Critical care, first 30-74 minutes 33 33 $221
99284 Emergency department visit with moderate level of medical decision making 29 29 $127
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 27 26 $9

In context: peer comparison

Among 51 peers in Orange Emergency Medicine Physician, average services per provider: 60. This provider delivers 3.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
75
Patients
73
Total drug cost
$454
Drug Type Claims Patients Total cost
Cephalexin Generic 22 22 $185
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 21 21 $124
Ondansetron Odt (Ondansetron) Brand 17 16 $73
Naproxen Generic 15 14 $71

Frequently asked questions

Auto-generated from federal data
What is Dr. David Merin's medical specialty?
Dr. David Merin practices Emergency Medicine Physician in Orange, CA.
Where does Dr. David Merin practice?
Dr. David Merin practices at 1100 W Stewart Dr, Orange, CA 928683849. Office phone: 7146339111.
What is Dr. David Merin's NPI?
Dr. David Merin's National Provider Identifier (NPI) is 1811929979, issued by NPPES.
What procedures does Dr. David Merin commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Initial hospital care with moderate level of medical decision making (HCPCS 99223); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.