Doctor profile · Federal record

Dr. Omar Mesarwi, MD

Sleep Medicine (Internal Medicine) Physician (CMS: Sleep Medicine) · Critical Care Medicine (Internal Medicine) Physician · Pulmonary Disease Physician · San Diego, CA

  • NPI 1245430032
  • Accepts Medicare
  • 19 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
200 W Arbor Dr
San Diego, CA 921039000
(855) 355-5864
Mailing address
Po Box 232410
San Diego, CA 921932410

Credentials & registration

NPPES · NUCC
NPI registered
July 2007 — 19 yrs on file
Profile last updated
September 27, 2017
Year of graduation
2007 — 19 yrs since
Specialty taxonomy
207RS0012X — NUCC code
State license (1)
California #A144727

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1245430032. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
281
Distinct HCPCS
7
Medicare allowed
$38,045
HCPCS Description Services Patients Avg allowed
99291 Critical care, first 30-74 minutes 76 34 $218
95806 Sleep study including heart rate, breathing, airflow, and effort 55 55 $60
99214 Established patient office or other outpatient visit, 30-39 minutes 44 39 $113
G0399 Home sleep test (hst) with type iii portable monitor, unattended; minimum of 4 channels: 2 respiratory movement/airflow, 1 ecg/heart rate and 1 oxygen saturation 39 39 $102
99204 New patient office or other outpatient visit, 45-59 minutes 33 33 $168
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 23 19 $123
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 11 11 $82

In context: peer comparison

Among 3 peers in this city , average services per provider: 39. This provider delivers 7.2× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Omar Mesarwi's medical specialty?
Dr. Omar Mesarwi practices Sleep Medicine (Internal Medicine) Physician in San Diego, CA.
Where does Dr. Omar Mesarwi practice?
Dr. Omar Mesarwi practices at 200 W Arbor Dr, San Diego, CA 921039000. Office phone: 8553555864.
What is Dr. Omar Mesarwi's NPI?
Dr. Omar Mesarwi's National Provider Identifier (NPI) is 1245430032, issued by NPPES.
Does Dr. Omar Mesarwi accept Medicare assignment?
Yes. Dr. Omar Mesarwi accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Omar Mesarwi commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291); Sleep study including heart rate, breathing, airflow, and effort (HCPCS 95806); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.