Doctor profile · Federal record

Dr. Maritess Zareno, NP

Primary Care Nurse Practitioner (CMS: Nurse Practitioner) · Valencia, CA

  • NPI 1588687784
  • Accepts Medicare
  • 21 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
26357 McBean Pkwy
Valencia, CA 913554488
(661) 222-2605
Mailing address
Po Box 9602
Mission Hills, CA 913469602

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
October 15, 2012
Year of graduation
2005 — 21 yrs since
Specialty taxonomy
363LP2300X — NUCC code
State license (1)
California #15838

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1588687784. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
131
Distinct HCPCS
4
Medicare allowed
$8,906
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 50 47 $84
36415 Insertion of needle into vein for collection of blood sample 36 33 $8
99214 Established patient office or other outpatient visit, 30-39 minutes 31 30 $118
99212 Established patient office or other outpatient visit, 10-19 minutes 14 13 $53

In context: peer comparison

Among 1 peers in Valencia Primary Care Nurse Practitioner, average services per provider: 32. This provider delivers 4.1× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
408
Patients
211
Total drug cost
$7,522
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 69 33 $1,470
Rosuvastatin Calcium Generic 38 18 $983
Amlodipine Besylate Generic 37 17 $669
Omeprazole Generic 33 20 $627
Fluticasone Propionate Generic 30 22 $556
Metformin Hcl Generic 23 11 $497
Lisinopril Generic 22 15 $293
Diclofenac Sodium Generic 21 18 $531
Losartan-Hydrochlorothiazide (Losartan/Hydrochlorothiazide) Brand 21 0 $602
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 20 18 $179

Frequently asked questions

Auto-generated from federal data
What is Dr. Maritess Zareno's medical specialty?
Dr. Maritess Zareno practices Primary Care Nurse Practitioner in Valencia, CA.
Where does Dr. Maritess Zareno practice?
Dr. Maritess Zareno practices at 26357 McBean Pkwy, Valencia, CA 913554488. Office phone: 6612222605.
What is Dr. Maritess Zareno's NPI?
Dr. Maritess Zareno's National Provider Identifier (NPI) is 1588687784, issued by NPPES.
Does Dr. Maritess Zareno accept Medicare assignment?
Yes. Dr. Maritess Zareno accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Maritess Zareno commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Insertion of needle into vein for collection of blood sample (HCPCS 36415); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.