Doctor profile · Federal record

Dr. Christina Demarinis, NP

Family Nurse Practitioner · Costa Mesa, CA

  • NPI 1861094815
  • MIPS 84.4 / 100 · 2023
  • 6 yrs on file
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
660 Baker St Ste A102
Costa Mesa, CA 926264407
(714) 668-2505
fax (714) 668-2515
Additional location
18785 Brookhurst St Ste 101
Fountain Valley, CA 927087300
(714) 378-0042
fax (714) 968-9129
Additional location
4950 Barranca Pkwy Ste 104
Irvine, CA 926048644
(949) 857-1248
fax (949) 559-1165
Mailing address
Po Box 2218
Suisun City, CA 945855218

Credentials & registration

NPPES · NUCC
NPI registered
November 2020 — 6 yrs on file
Profile last updated
August 29, 2023
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
California #95015921

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1861094815. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
360
Distinct HCPCS
8
Medicare allowed
$26,024
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 174 171 $83
99203 New patient office or other outpatient visit, 30-44 minutes 47 47 $104
87635 Amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen 40 40 $50
99214 Established patient office or other outpatient visit, 30-39 minutes 28 28 $118
81003 Automated urinalysis test 27 27 $2
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 16 16 $14
99212 Established patient office or other outpatient visit, 10-19 minutes 16 16 $53
87880 Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) 12 12 $16

In context: peer comparison

Among 10 peers in this city , average services per provider: 92. This provider delivers 3.9× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
150
Patients
139
Total drug cost
$1,250
Drug Type Claims Patients Total cost
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 46 46 $391
Doxycycline Monohydrate Generic 26 26 $375
Cephalexin Generic 21 21 $70
Fluticasone Propionate Generic 21 21 $239
Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) Brand 13 13 $55
Azithromycin Generic 12 12 $36
Methylprednisolone Generic 11 0 $83

Frequently asked questions

Auto-generated from federal data
What is Dr. Christina Demarinis's medical specialty?
Dr. Christina Demarinis practices Family Nurse Practitioner in Costa Mesa, CA.
Where does Dr. Christina Demarinis practice?
Dr. Christina Demarinis practices at 660 Baker St Ste A102, Costa Mesa, CA 926264407. Office phone: 7146682505.
What is Dr. Christina Demarinis's NPI?
Dr. Christina Demarinis's National Provider Identifier (NPI) is 1861094815, issued by NPPES.
What procedures does Dr. Christina Demarinis commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); New patient office or other outpatient visit (HCPCS 99203); Amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen (HCPCS 87635). Source: CMS Medicare Physician & Other Practitioners file.