Maritess Montoya Zareno, NP
Primary Care Nurse Practitioner · Valencia, CA
Maritess Montoya Zareno, NP is a primary care nurse practitioner with a practice address in Valencia, California, and NPI 1588687784, issued on Jul 26, 2006. Check the license (California 15838, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Maritess Montoya Zareno
- Credential
- NP
- Primary taxonomy
- Primary Care Nurse Practitioner 363LP2300X
- License number
- 15838 CA
Self-reported in NPPES; status is on the state search - Practice location
- 26357 Mcbean Pkwy, Valencia, CA 91355
- Phone
- (661) 222-2605
- Enumerated
- Jul 26, 2006
- Record last updated
- Oct 15, 2012 (not updated in 14 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20090127000651); accepts Medicare assignment
- Medical or professional school
- University Of California, Geffen School Of Medicine, 2005
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest primary care nurse practitioner records → All 1,131 in California → Look up another NPI →
Also registered at 26357 Mcbean Pkwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Maritess Montoya Zareno in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 15838Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
33% fewer Medicare Part D claims than the average primary care nurse practitioner in 2024
996 Medicare Part D claims for 337 beneficiaries, against an average of 1,492 among the 5,992 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 13 claims were for opioids.
Most prescribed
- Atorvastatin Calcium51 claims
- Amlodipine Besylate39 claims
- Omeprazole38 claims
- Fluticasone Propionate33 claims
- Losartan Potassium30 claims
- Levothyroxine Sodium28 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Providence Facey Medical FoundationValencia, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Maritess Montoya Zareno among 1,131 primary care nurse practitioner records in California
Maritess Montoya Zareno, NP is one of 1,131 primary care nurse practitioner records with a practice address in California. 63% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than under 1% of them.
- NPI issued2006 · under 1% of these records are older, 93% newer
- In a Medicare fileYes · 63% of these records are
- In the CMS Doctors and Clinicians fileYes · 35% of these records are
- Graduated2005 · median 2019 among the 398 with a school on file
- Record last updated2012 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP2300X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Primary Care Nurse Practitioner providers in California
There are 1,131 primary care nurse practitioner records in California.
All 1,131 in California → Every provider in Valencia → Primary Care Nurse Practitioner nationwide →
The 8 primary care nurse practitioner records with the nearest ZIP codes
- Genny Alvarez, NPSanta Clarita, CA 913551790116804
- Christina Liezl Villanueva, NPSanta Clarita, CA 913551740827872
- Christie HuddyTarzana, CA 913561992455976
- Behnaz Javaherian, NPTarzana, CA 913561508026287
- Amber Walia, DNPTarzana, CA 913561659057313
- Mikaela Angela Leano, FNP-CCanyon Country, CA 913511982499661
- Nicole Semana, NP-BCSanta Clarita, CA 913511245881804
- Kevin Dobbs, DNP/FNPThousand Oaks, CA 913601134867369
Common questions
What is Maritess Montoya Zareno, NP's NPI number?
Maritess Montoya Zareno, NP's National Provider Identifier (NPI) is 1588687784, issued on Jul 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Maritess Montoya Zareno, NP located?
The NPPES record lists a practice address at 26357 Mcbean Pkwy, Valencia, CA, 91355. Phone: (661) 222-2605. Providers update this record themselves, so call before visiting.
How can I verify Maritess Montoya Zareno, NP's license?
NPPES lists California license number 15838, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Maritess Montoya Zareno, NP prescribe under Medicare Part D?
In 2024, Maritess Montoya Zareno, NP had 996 Medicare Part D claims for 337 beneficiaries; the average among primary care nurse practitioner prescribers was 1,492. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.