Doctor profile · Federal record

Dr. Ralph Lissaur, M.D.

Psychiatry Physician (CMS: Psychiatry) · Irvine, CA

  • NPI 1245287960
  • Accepts Medicare
  • 23 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
14252 Culver Dr, A-255
Irvine, CA 926040317
(949) 280-9647
fax (949) 581-0911

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Year of graduation
2003 — 23 yrs since
Specialty taxonomy
2084P0800X — NUCC code
State license (1)
California #A88975

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1245287960. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
501
Distinct HCPCS
4
Medicare allowed
$67,685
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 424 96 $132
99215 Established patient office or other outpatient visit, 40-54 minutes 36 24 $185
90833 Psychotherapy with evaluation and management visit, 30 minutes 25 12 $71
90792 Psychiatric diagnostic evaluation with medical services 16 16 $201

In context: peer comparison

Among 5 peers in Irvine Psychiatry Physician, average services per provider: 191. This provider delivers 2.6× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,003
Transactions
45
Manufacturers
13
Payer (manufacturer) Industry Txns Amount
Iti, INC. (D/B/A Intra-Cellular Therapies, INC.) 11 $209.93
Neurocrine Biosciences, INC. 4 $185.13
Ironshore Pharmaceuticals INC. 8 $132.09
Alkermes, INC. 4 $92.79
Abbvie INC. 4 $87.95
Indivior INC. 3 $62.42
Lundbeck LLC 2 $47.69
Janssen Pharmaceuticals, INC 2 $43.87
E.R. Squibb & Sons, L.L.C. 2 $41.97
Tris Pharma INC 2 $30.84
Axsome Therapeutics, INC. 1 $25.26
Vanda Pharmaceuticals INC. 1 $25.21
Almatica Pharma LLC 1 $18.31

By nature of payment

Food and Beverage
$976
Education
$27

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,107
Patients
143
Total drug cost
$143,269
Drug Type Claims Patients Total cost
Quetiapine Fumarate Generic 160 27 $4,031
Trazodone Hcl Generic 158 35 $3,009
Divalproex Sodium ER (Divalproex Sodium) Brand 87 0 $6,117
Olanzapine Generic 83 0 $2,081
Risperidone Generic 83 12 $934
Duloxetine Hcl Generic 81 22 $2,095
Bupropion Xl (Bupropion Hcl) Brand 77 20 $1,986
Rexulti (Brexpiprazole) Brand 63 13 $87,454
Sertraline Hcl Generic 57 0 $527
Lamotrigine Generic 56 0 $369

Frequently asked questions

Auto-generated from federal data
What is Dr. Ralph Lissaur's medical specialty?
Dr. Ralph Lissaur practices Psychiatry Physician in Irvine, CA.
Where does Dr. Ralph Lissaur practice?
Dr. Ralph Lissaur practices at 14252 Culver Dr, Irvine, CA 926040317. Office phone: 9492809647.
What is Dr. Ralph Lissaur's NPI?
Dr. Ralph Lissaur's National Provider Identifier (NPI) is 1245287960, issued by NPPES.
Does Dr. Ralph Lissaur accept Medicare assignment?
Yes. Dr. Ralph Lissaur accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ralph Lissaur commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99215); Psychotherapy with evaluation and management visit (HCPCS 90833). Source: CMS Medicare Physician & Other Practitioners file.