Marianne Plakas, FNP
Family Nurse Practitioner · Sylmar, CA
Marianne Plakas, FNP is a family nurse practitioner with a practice address in Sylmar, California, and NPI 1942503701, issued on Dec 16, 2010. Check the license (California 20420, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Marianne Plakas
- Credential
- FNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 20420 CA
Self-reported in NPPES; status is on the state search - Practice location
- 14124 Foothill Blvd Ste 100, Sylmar, CA 91342
- Phone
- (818) 367-1012
- Enumerated
- Dec 16, 2010
- Record last updated
- Dec 16, 2010 (not updated in 16 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 16,966 in California → Look up another NPI →
Also registered at 14124 Foothill Blvd Ste 100
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alexan Abdel-Malek, MDPhysical Medicine & Rehabilitation Physician1457410060
- Luis Artavia, M.D.Family Medicine Physician1407885577
- Michel Mikhael, M.D.General Practice Physician1902951460
Verify Marianne Plakas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 20420Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.2 times the Medicare Part D claims of the average family nurse practitioner in 2024
5,484 Medicare Part D claims for 529 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 213 claims were for opioids.
Most prescribed
- Atorvastatin Calcium314 claims
- Amlodipine Besylate171 claims
- Pantoprazole Sodium149 claims
- Lisinopril143 claims
- Gabapentin138 claims
- Fluticasone Propionate118 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.
Marianne Plakas among 16,966 family nurse practitioner records in California
Marianne Plakas, FNP is one of 16,966 family nurse practitioner records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 17% of them.
- NPI issued2010 · 17% of these records are older, 81% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileNo · 40% of these records are
- Record last updated2010 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
32 family nurse practitioner records list a practice address in Sylmar
They are 32 of the 1,454 NPPES records with a practice address in Sylmar, and 16,966 family nurse practitioner records in California.
All 16,966 in California → Every provider in Sylmar → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Marylou AclanSylmar, CA 913421881162147
- Jennifer Aguilar, RN, NPSylmar, CA 913421831556919
- Kristin AyusteSylmar, CA 913421730585308
- Marrianne BuccatSylmar, CA 913421669638193
- Jennifer Emmons, FNPSylmar, CA 913421477843852
- Jacqueline Gonzalez, N.P.Sylmar, CA 913421053711069
- Paula Kopf, NURSE PRACTITIONERSylmar, CA 913421144237157
- Leona Mason, FNPSylmar, CA 913421396070512
Common questions
What is Marianne Plakas, FNP's NPI number?
Marianne Plakas, FNP's National Provider Identifier (NPI) is 1942503701, issued on Dec 16, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Marianne Plakas, FNP located?
The NPPES record lists a practice address at 14124 Foothill Blvd Ste 100, Sylmar, CA, 91342. Phone: (818) 367-1012. Providers update this record themselves, so call before visiting.
How can I verify Marianne Plakas, FNP's license?
NPPES lists California license number 20420, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Marianne Plakas, FNP prescribe under Medicare Part D?
In 2024, Marianne Plakas, FNP had 5,484 Medicare Part D claims for 529 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.