Doctor profile · Federal record

Dr. Marianne Plakas, FNP

Family Nurse Practitioner · Sylmar, CA

  • NPI 1942503701
  • 16 yrs on file
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
14124 Foothill Blvd Ste 100
Sylmar, CA 913428051
(818) 367-1012

Credentials & registration

NPPES · NUCC
NPI registered
December 2010 — 16 yrs on file
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
California #20420

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1942503701. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
816
Distinct HCPCS
10
Medicare allowed
$73,173
HCPCS Description Services Patients Avg allowed
99307 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 10 minutes 232 72 $36
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 183 63 $97
99350 Residence visit for established patient with high level of medical decision making, per day, if using time, at least 60 minutes 71 43 $167
99347 Residence visit for established patient with straightforward medical decision making, per day, if using time, at least 15 minutes 57 28 $40
99349 Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes 56 33 $114
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit 52 52 $151
99310 Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 49 45 $138
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 33 20 $97
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes 30 20 $67
99497 Advance care planning, first 30 minutes 27 24 $75

In context: peer comparison

Among 1 peers in this city , average services per provider: 74. This provider delivers 11× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,069
Patients
100
Total drug cost
$19,162
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 188 27 $2,717
Amlodipine Besylate Generic 95 15 $625
Pantoprazole Sodium Generic 80 14 $812
Lorazepam Generic 79 20 $575
Ventolin Hfa (Albuterol Sulfate) Brand 69 13 $4,295
Loperamide (Loperamide Hcl) Brand 66 0 $1,804
Gabapentin Generic 65 11 $1,273
Quetiapine Fumarate Generic 65 0 $1,889
Losartan Potassium Generic 60 0 $695
Finasteride Generic 58 0 $717

Frequently asked questions

Auto-generated from federal data
What is Dr. Marianne Plakas's medical specialty?
Dr. Marianne Plakas practices Family Nurse Practitioner in Sylmar, CA.
Where does Dr. Marianne Plakas practice?
Dr. Marianne Plakas practices at 14124 Foothill Blvd Ste 100, Sylmar, CA 913428051. Office phone: 8183671012.
What is Dr. Marianne Plakas's NPI?
Dr. Marianne Plakas's National Provider Identifier (NPI) is 1942503701, issued by NPPES.
What procedures does Dr. Marianne Plakas commonly perform?
Top Medicare-reported procedures in 2023: Subsequent nursing facility care with straightforward level of medical decision making (HCPCS 99307); Subsequent nursing facility care with moderate level of medical decision making (HCPCS 99309); Residence visit for established patient with high level of medical decision making (HCPCS 99350). Source: CMS Medicare Physician & Other Practitioners file.