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MS. MARIANNE PLAKAS FNP
NPI 1942503701
Nurse Practitioner - Family in Sylmar, CA

Active since December 16, 2010PECOS Enrolled
14124 FOOTHILL BLVD STE 100, SYLMAR, CA 91342(818) 367-1012 Get Directions Write a Review

NPPES record last updated: December 16, 2010. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Ms. Marianne Plakas Fnp NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MS. MARIANNE PLAKAS FNP (NPI 1942503701) is an individual family provider in Sylmar, California, licensed in California (20420) and active in the NPI registry since December 2010. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1942503701
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameMS. MARIANNE PLAKASCredential: FNP
Location Address14124 FOOTHILL BLVD STE 100Sylmar, CA 91342-8051
Mailing Address14124 Foothill Blvd Ste 100Sylmar, CA 91342-8051 · (818) 367-1012
Phone(818) 367-1012
Sole ProprietorYes
Enumeration DateDecember 16, 2010
✔ NPI 1942503701 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in CA · 20420
14124 FOOTHILL BLVD STE 100, Sylmar, CA 91342
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ms. Marianne Plakas Fnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

3

Medicare enrollment records show Marianne Plakas reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Healthcare Partners Affiliates Medical Group
21 mi
Internal Medicine
1120 W WASHINGTON BLVD
Los Angeles, CA 90015
  • Reassigned Medicare billing, California enrollment
  • 2,052 clinicians in this Medicare group
NPI 1659312593 (213) 623-2225
Gn Medical Associates, Inc.
54 mi
Family Medicine
3090 BRISTOL ST STE 200
Costa Mesa, CA 92626
  • Reassigned Medicare billing, California enrollment
  • 103 clinicians in this Medicare group
NPI 1275576522 (888) 789-9585
Careconnectmd Ca PC
54 mi
Family Medicine
3090 BRISTOL ST STE 200
Costa Mesa, CA 92626
  • Reassigned Medicare billing, California enrollment
  • 194 clinicians in this Medicare group
NPI 1366063125 (888) 789-9585

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 99309
A follow-up nursing facility visit per day is a daily check-in by a healthcare professional. This 25-minute visit typically involves monitoring your health progress, addressing any concerns, and adjusting treatment plans as necessary. It's a vital part of ensuring your ongoing wellbeing.
25 services16 patients
Residence visit for established patient with high level of medical decision making, per day, if using time, at least 60 minutes 99350
An established patient home visit is a service where a healthcare professional visits a patient's home for a check-up or treatment. The visit typically lasts for about an hour. This service is especially beneficial for patients who may have difficulty traveling to a healthcare facility.
16 services13 patients
Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 99310
A follow-up nursing facility visit is a routine check-up that typically lasts about 35 minutes. During this visit, your health status is evaluated, any changes in your condition are noted, and necessary adjustments to your care plan are made. It's an essential part of maintaining your health.
15 services15 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91342 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$96.36 typical visit price
range $62.96 – $187.60
Typical copayment $24.09 (range $15.74 – $46.90)
Most-billed visit code 99203
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
3 suppliers14 claims20 services$5.92 avg. paid by Medicare
Enteral formula, nutritionally complete with intact nutrients, includes proteins, fats, carbohydrates, vitamins and minerals, may include fiber, administered through an enteral feeding tube, 100 calories = 1 unit B4150
Other-Enteral and Parenteral · category OB006N
2 suppliers17 claims7,205 services$0.32 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 5

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. LUIS A ARTAVIA M.D.
Family Medicine
14124 FOOTHILL BLVD STE 100
SYLMAR, CA 91342
Los Angeles County (818) 367-1012
ALEXAN A. ABDEL-MALEK MD
Physical Medicine & Rehabilitation
14124 FOOTHILL BLVD STE 100
SYLMAR, CA 91342
Los Angeles County (818) 367-1012
BASEM FANOUS, M.D. A PROFESSIONAL CORPORATION
Internal Medicine
14124 FOOTHILL BLVD STE 100
SYLMAR, CA 91342
Los Angeles County (818) 486-8138
DR. TAURA MICHELLE OLFUS DO
Family Medicine
14124 FOOTHILL BLVD STE 100
SYLMAR, CA 91342
Los Angeles County (818) 367-1012
DR. MICHEL NAWAR MIKHAEL M.D.
General Practice
14124 FOOTHILL BLVD STE 100
SYLMAR, CA 91342
Los Angeles County (818) 367-1012

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Marianne Plakas's NPI number?

The NPI number for Marianne Plakas is 1942503701. It was assigned to this individual provider in the NPPES registry on December 16, 2010.

Where is Marianne Plakas located?

Marianne Plakas practices at 14124 Foothill Blvd Ste 100, Sylmar, CA 91342. The listed phone number is (818) 367-1012.

What is Marianne Plakas's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Marianne Plakas enrolled in Medicare?

Yes. Marianne Plakas is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Marianne Plakas's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Marianne Plakas reassigns Medicare benefits to 3 organizations: Healthcare Partners Affiliates Medical Group (Los Angeles, CA), Gn Medical Associates, Inc. (Costa Mesa, CA) and Careconnectmd Ca PC (Costa Mesa, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Marianne Plakas's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Marianne Plakas was last updated on December 16, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.