Doctor profile · Federal record

Dr. Christa Arefieva, MD

Emergency Medicine Physician (CMS: Emergency Medicine) · Emergency Medicine Physician · Emergency Medicine Physician · La Mesa, CA

  • NPI 1033776075
  • Accepts Medicare
  • 7 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 5 locations .

NPPES Updated May 11, 2026
Primary practice
5555 Grossmont Center Dr
La Mesa, CA 919423019
(619) 740-6000
Additional location
200 W Arbor Dr
San Diego, CA 921039000
(619) 543-2130
Additional location
600 N Highland Springs Ave
Banning, CA 922203046
(951) 845-1121
Show 2 more locations
Additional location
800 S Main St
Corona, CA 928823420
(951) 737-4343
Additional location
1000 Houghton Ave
Saginaw, MI 486025303
(989) 583-6800
Mailing address
Po Box 720772
San Diego, CA 921720772

Credentials & registration

NPPES · NUCC
NPI registered
May 2019 — 7 yrs on file
Profile last updated
September 12, 2023
Year of graduation
2019 — 7 yrs since
Specialty taxonomy
207P00000X — NUCC code
State licenses (3)
California #A179084 · Michigan #4351045065 · California #PTL3238

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1033776075. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
135
Distinct HCPCS
2
Medicare allowed
$15,190
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 84 84 $176
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 51 46 $8

In context: peer comparison

Among 14 peers in this city , average services per provider: 119. This provider delivers 1.1× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Christa Arefieva's medical specialty?
Dr. Christa Arefieva practices Emergency Medicine Physician in La Mesa, CA.
Where does Dr. Christa Arefieva practice?
Dr. Christa Arefieva practices at 5555 Grossmont Center Dr, La Mesa, CA 919423019. Office phone: 6197406000.
What is Dr. Christa Arefieva's NPI?
Dr. Christa Arefieva's National Provider Identifier (NPI) is 1033776075, issued by NPPES.
Does Dr. Christa Arefieva accept Medicare assignment?
Yes. Dr. Christa Arefieva accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Christa Arefieva 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). Source: CMS Medicare Physician & Other Practitioners file.