Doctor profile · Federal record

Dr. Maria Felicia Marcos, MSN, FNP

Family Nurse Practitioner (CMS: Nurse Practitioner) · Mission Viejo, CA

  • NPI 1194043448
  • Accepts Medicare
  • 17 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
23512 Madero
Mission Viejo, CA 926912743
(949) 583-1600
fax (949) 454-8067
Mailing address
2742 Dow Ave
Tustin, CA 927807242

Credentials & registration

NPPES · NUCC
NPI registered
May 2010 — 16 yrs on file
Year of graduation
2009 — 17 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
California #NP 19701

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1194043448. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
367
Distinct HCPCS
7
Medicare allowed
$26,058
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 157 149 $84
87635 Amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen 53 52 $50
99203 New patient office or other outpatient visit, 30-44 minutes 52 52 $104
81003 Automated urinalysis test 41 41 $2
99214 Established patient office or other outpatient visit, 30-39 minutes 30 30 $118
99212 Established patient office or other outpatient visit, 10-19 minutes 19 19 $53
87880 Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) 15 15 $16

In context: peer comparison

Among 13 peers in this city , average services per provider: 79. This provider delivers 4.6× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
165
Patients
165
Total drug cost
$1,755
Drug Type Claims Patients Total cost
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 67 67 $747
Paxlovid (Eua) (Nirmatrelvir/Ritonavir) Brand 33 33 $341
Cephalexin Generic 21 21 $117
Prednisone Generic 19 19 $40
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 13 13 $275
Doxycycline Monohydrate Generic 12 12 $235

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Maria Felicia Marcos's medical specialty?
Dr. Maria Felicia Marcos practices Family Nurse Practitioner in Mission Viejo, CA.
Where does Dr. Maria Felicia Marcos practice?
Dr. Maria Felicia Marcos practices at 23512 Madero, Mission Viejo, CA 926912743. Office phone: 9495831600.
What is Dr. Maria Felicia Marcos's NPI?
Dr. Maria Felicia Marcos's National Provider Identifier (NPI) is 1194043448, issued by NPPES.
Does Dr. Maria Felicia Marcos accept Medicare assignment?
Yes. Dr. Maria Felicia Marcos accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Maria Felicia Marcos commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen (HCPCS 87635); New patient office or other outpatient visit (HCPCS 99203). Source: CMS Medicare Physician & Other Practitioners file.