Doctor profile · Federal record

Dr. Alexander Ruby, MD

Emergency Medicine Physician (CMS: Emergency Medicine) · Emergency Medicine Physician · El Segundo, CA

  • NPI 1366822348
  • MIPS 80.3 / 100 · 2023
  • 11 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
898 N Pacific Coast Hwy Ste 600
El Segundo, CA 902452747
(310) 379-2134
Additional location
1901 W Harrison St
Chicago, IL 606123714
(312) 864-6000

Credentials & registration

NPPES · NUCC
NPI registered
June 2015 — 11 yrs on file
Profile last updated
March 6, 2020
Year of graduation
2015 — 11 yrs since
Specialty taxonomy
207P00000X — NUCC code
State licenses (2)
California #A159865 · Illinois #125067303

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1366822348. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
477
Distinct HCPCS
4
Medicare allowed
$55,359
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 207 205 $183
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 176 162 $9
99284 Emergency department visit with moderate level of medical decision making 53 53 $126
99291 Critical care, first 30-74 minutes 41 41 $224

In context: peer comparison

Among 1 peers in El Segundo Emergency Medicine Physician, average services per provider: 119. This provider delivers 4.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
22
Patients
22
Total drug cost
$133
Drug Type Claims Patients Total cost
Ibuprofen Generic 11 11 $55
Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) Brand 11 11 $78

Frequently asked questions

Auto-generated from federal data
What is Dr. Alexander Ruby's medical specialty?
Dr. Alexander Ruby practices Emergency Medicine Physician in El Segundo, CA.
Where does Dr. Alexander Ruby practice?
Dr. Alexander Ruby practices at 898 N Pacific Coast Hwy Ste 600, El Segundo, CA 902452747. Office phone: 3103792134.
What is Dr. Alexander Ruby's NPI?
Dr. Alexander Ruby's National Provider Identifier (NPI) is 1366822348, issued by NPPES.
Does Dr. Alexander Ruby accept Medicare assignment?
Dr. Alexander Ruby does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Alexander Ruby commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Emergency department visit with moderate level of medical decision making (HCPCS 99284). Source: CMS Medicare Physician & Other Practitioners file.