Doctor profile · Federal record

Dr. Lilit Mnatsakanyan, MD

Epilepsy Physician (CMS: Neurology) · Neurology Physician · Clinical Neurophysiology Physician · Orange, CA

  • NPI 1811159197
  • Accepts Medicare
  • MIPS 91.2 / 100 · 2023
  • 26 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
101 the City Drive South, Pavilion 1, Room 172
Orange, CA 92868
(714) 506-0381
fax (714) 456-6908
Mailing address
200 S Manchester Ave Ste 300
Orange, CA 928683219

Credentials & registration

NPPES · NUCC
NPI registered
June 2008 — 18 yrs on file
Profile last updated
September 25, 2024
Year of graduation
2000 — 26 yrs since
Specialty taxonomy
2084E0001X — NUCC code
State license (1)
California #A101457
Medicaid
CA #0A1014570

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1811159197. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,750
Distinct HCPCS
10
Medicare allowed
$139,101
HCPCS Description Services Patients Avg allowed
G0453 Continuous intraoperative neurophysiology monitoring, from outside the operating room (remote or nearby), per patient, (attention directed exclusively to one patient) each 15 minutes (list in addition to primary procedure) 2,116 154 $34
95938 Placement of skin electrodes and measurement of stimulated sites on arms and legs 158 143 $48
95861 Needle measurement of electrical activity in arm or leg muscles, 2 extremities 111 100 $87
95939 Placement of skin electrodes and measurement of central motor stimulation in arms and legs 91 83 $127
95720 Measurement of brain wave activity with video (veeg), 12-26 hours with review and report by health care professional 83 46 $220
99214 Established patient office or other outpatient visit, 30-39 minutes 58 44 $103
95816 Measurement of brain wave activity (eeg), awake and drowsy 33 33 $61
95718 Measurement of brain wave activity with video (veeg), 2-12 hours with review and report by health care professional 23 22 $142
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 22 13 $127
99214 Established patient office or other outpatient visit, 30-39 minutes 21 20 $104

In context: peer comparison

Among 3 peers in Orange Epilepsy Physician, average services per provider: 132. This provider delivers 21× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,244
Transactions
8
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Neuropace, INC. 5 $950.15
Sk Life Science, INC. 3 $294.19

By nature of payment

Travel and Lodging
$866
Food and Beverage
$379

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,400
Patients
133
Total drug cost
$759,405
Drug Type Claims Patients Total cost
Levetiracetam Generic 207 30 $17,704
Lacosamide Generic 203 33 $76,042
Clobazam Generic 198 29 $44,835
Lamotrigine Generic 131 27 $5,407
Oxcarbazepine Generic 71 0 $2,894
Divalproex Sodium ER (Divalproex Sodium) Brand 70 14 $7,489
Fycompa (Perampanel) Brand 70 0 $85,921
Divalproex Sodium Generic 64 0 $1,489
Phenobarbital Generic 64 0 $3,173
Clonazepam Generic 60 0 $869

Frequently asked questions

Auto-generated from federal data
What is Dr. Lilit Mnatsakanyan's medical specialty?
Dr. Lilit Mnatsakanyan practices Epilepsy Physician in Orange, CA.
Where does Dr. Lilit Mnatsakanyan practice?
Dr. Lilit Mnatsakanyan practices at 101 the City Drive South, Orange, CA 92868. Office phone: 7145060381.
What is Dr. Lilit Mnatsakanyan's NPI?
Dr. Lilit Mnatsakanyan's National Provider Identifier (NPI) is 1811159197, issued by NPPES.
Does Dr. Lilit Mnatsakanyan accept Medicare assignment?
Yes. Dr. Lilit Mnatsakanyan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Lilit Mnatsakanyan commonly perform?
Top Medicare-reported procedures in 2023: Continuous intraoperative neurophysiology monitoring, from outside the operating room (remote or nearby), per patient, (attention directed exclusively to one patient) each 15 minutes (list in addition to primary procedure) (HCPCS G0453); Placement of skin electrodes and measurement of stimulated sites on arms and legs (HCPCS 95938); Needle measurement of electrical activity in arm or leg muscles, 2 extremities (HCPCS 95861). Source: CMS Medicare Physician & Other Practitioners file.