Ralph Lissaur, M.D.
Psychiatry Physician · Irvine, CA
Ralph Lissaur, M.D. is a psychiatry physician with a practice address in Irvine, California, and NPI 1245287960, issued on May 28, 2006. Check the license (California A88975, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Ralph Lissaur
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- A88975 CA
Self-reported in NPPES; status is on the state search - Practice location
- 14252 Culver Dr, Irvine, CA 92604
- Phone
- (949) 280-9647
- Enumerated
- May 28, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (949) 581-0911
- Medicare enrollment
- Enrolled (PECOS I20050407000879); accepts Medicare assignment
- Medical or professional school
- University Of Arizona College Of Medicine, 2003
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Verify Ralph Lissaur in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A88975Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
79% more Medicare Part D claims than the average psychiatry physician in 2024
1,786 Medicare Part D claims for 91 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.
Most prescribed
- Quetiapine Fumarate194 claims
- Trazodone Hcl153 claims
- Risperidone83 claims
- Duloxetine Hcl78 claims
- Quetiapine Fumarate Er76 claims
- Olanzapine74 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.
Industry payments in 2024: $1,003.46
45 payments; by number, the most common kind was food and beverage; the largest payer was Iti, Inc. (d/b/a Intra-Cellular Therapies, Inc.). The 13,693 providers of this specialty with any payment received $4,954.93 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- David Desai MD IncSan Bernardino, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ralph Lissaur among 8,673 psychiatry physician records in California
Ralph Lissaur, M.D. is one of 8,673 psychiatry physician 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 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 67% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 38% of these records are
- Graduated2003 · median 2005 among the 3,295 with a school on file
- Record last updated2007 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
54 psychiatry physician records list a practice address in Irvine
They are 54 of the 7,778 NPPES records with a practice address in Irvine, and 8,673 psychiatry physician records in California.
All 8,673 in California → Every provider in Irvine → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Parvin Afshar, M.D.Irvine, CA 926041437247335
- Hanaa Fam, M.DIrvine, CA 926041558311456
- Yingxiang Li, MDIrvine, CA 926041548098940
- Andrew Min, M.D.Irvine, CA 926041134398233
- Donald Sharps, M.D.Irvine, CA 926041366412256
- Tiffany Son, MDIrvine, CA 926041487223384
- Jun Wang, DOIrvine, CA 926041780172734
- Anne Phan-Huy, MDIrvine, CA 926031679079230
Common questions
What is Ralph Lissaur, M.D.'s NPI number?
Ralph Lissaur, M.D.'s National Provider Identifier (NPI) is 1245287960, issued on May 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ralph Lissaur, M.D. located?
The NPPES record lists a practice address at 14252 Culver Dr, Irvine, CA, 92604. Phone: (949) 280-9647. Providers update this record themselves, so call before visiting.
How can I verify Ralph Lissaur, M.D.'s license?
NPPES lists California license number A88975, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Ralph Lissaur, M.D. prescribe under Medicare Part D?
In 2024, Ralph Lissaur, M.D. had 1,786 Medicare Part D claims for 91 beneficiaries; the average among psychiatry physician prescribers was 1,000. 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.