Nader Oskooilar, MD
Psychiatry Physician · Newport Beach, CA
Nader Oskooilar, MD is a psychiatry physician with a practice address in Newport Beach, California, and NPI 1336144872, issued on Jun 20, 2005. Check the license (California A48369, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Nader Oskooilar
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- A48369 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1601 Dove St, Newport Beach, CA 92660
- Phone
- (949) 244-7518
- Enumerated
- Jun 20, 2005
- Record last updated
- Oct 15, 2011 (not updated in 15 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20040105000269); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Also registered at 1601 Dove St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Don De Francisco, M.D.Psychiatry Physician1992885859
- Jennifer De Francisco, L.C.S.W.Clinical Social Worker1386651107
- Lynda Detling, MFTMarriage & Family Therapist1689793952
- Dane Fliedner, MDPediatrics Physician1164568655
- Susan Gisriel, PH.D.Clinical Psychologist1578772091
- Stephen Hockenbury, MDPsychiatry Physician1972687101
Verify Nader Oskooilar in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A48369Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
84% fewer Medicare Part D claims than the average psychiatry physician in 2024
157 Medicare Part D claims for 15 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.
Most prescribed
- Olanzapine22 claims
- Methylphenidate Hcl18 claims
- Escitalopram Oxalate14 claims
- Paroxetine Er11 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: $134.15
2 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie 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.
Nader Oskooilar among 8,673 psychiatry physician records in California
Nader Oskooilar, MD 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 98% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 38% of these records are
- Graduated1986 · median 2005 among the 3,295 with a school on file
- Record last updated2011 · 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).
59 psychiatry physician records list a practice address in Newport Beach
They are 59 of the 4,414 NPPES records with a practice address in Newport Beach, and 8,673 psychiatry physician records in California.
All 8,673 in California → Every provider in Newport Beach → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Jonathan Bellman, M.D.Newport Beach, CA 926601285716696
- Barton Blinder, M.D.Newport Beach, CA 926601598790487
- Gianfranco Burdi, M.D.Newport Beach, CA 926601801812326
- Don De Francisco, M.D.Newport Beach, CA 926601992885859
- Raafat Girgis, M.D.Newport Beach, CA 926601225080013
- Lesley Macarthur, M.D.Newport Beach, CA 926601073604054
- Andrei Novac, M.D.Newport Beach, CA 926601992818348
- Sonya Rasminsky, MDNewport Beach, CA 926601013920693
Common questions
What is Nader Oskooilar, MD's NPI number?
Nader Oskooilar, MD's National Provider Identifier (NPI) is 1336144872, issued on Jun 20, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Nader Oskooilar, MD located?
The NPPES record lists a practice address at 1601 Dove St, Newport Beach, CA, 92660. Phone: (949) 244-7518. Providers update this record themselves, so call before visiting.
How can I verify Nader Oskooilar, MD's license?
NPPES lists California license number A48369, 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 Nader Oskooilar, MD prescribe under Medicare Part D?
In 2024, Nader Oskooilar, MD had 157 Medicare Part D claims for 15 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.