Nader D. Ghiassi, DDS
General Practice Dentistry · San Juan Capistrano, CA
Nader D. Ghiassi, DDS is a general practice dentistry with a practice address in San Juan Capistrano, California, and NPI 1972601110, issued on Sep 20, 2006. Check the license (California 49887, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Nader D. Ghiassi
- Credential
- DDS
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 49887 CA
Self-reported in NPPES; status is on the state search - Practice location
- 27231 Ortega Hwy Ste A, San Juan Capistrano, CA 92675
- Phone
- (949) 487-0800
- Enumerated
- Sep 20, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 17,852 in California → Look up another NPI →
Verify Nader D. Ghiassi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 49887Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
25% more Medicare Part D claims than the average general practice dentistry in 2024
104 Medicare Part D claims for 47 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Amoxicillin-Clavulanate Potass27 claims
- Chlorhexidine Gluconate26 claims
- Azithromycin12 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: $1,239.00
3 payments; by number, the most common kind was education; the largest payer was Patterson Companies, Inc. The 41,669 providers of this specialty with any payment received $597.01 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 D. Ghiassi among 17,852 general practice dentistry records in California
Nader D. Ghiassi, DDS is one of 17,852 general practice dentistry records with a practice address in California. 57% 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 3% of them.
- NPI issued2006 · 3% of these records are older, 71% newer
- In a Medicare fileYes · 57% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2007 · 79% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223G0001X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
26 general practice dentistry records list a practice address in San Juan Capistrano
They are 26 of the 676 NPPES records with a practice address in San Juan Capistrano, and 17,852 general practice dentistry records in California.
All 17,852 in California → Every provider in San Juan Capistrano → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Robert Faber, DDSSan Juan Capistrano, CA 926751619186079
- Tram Hall, D.D.S.San Juan Capistrano, CA 926751427275478
- Bin Hoang, D.D.S.San Juan Capistrano, CA 926751518177732
- Scott Lamming, D.D.S.San Juan Capistrano, CA 926751992722656
- Randal Leoni, DMDSan Juan Capistrano, CA 926751821100256
- Ghassan Mehtar, D.D.S.San Juan Capistrano, CA 926751376620971
- Rajini Rajalingam, D.D.S.San Juan Capistrano, CA 926751669407946
- Carlos Restrepo, D.D.S.San Juan Capistrano, CA 926751104978295
Common questions
What is Nader D. Ghiassi, DDS's NPI number?
Nader D. Ghiassi, DDS's National Provider Identifier (NPI) is 1972601110, issued on Sep 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Nader D. Ghiassi, DDS located?
The NPPES record lists a practice address at 27231 Ortega Hwy Ste A, San Juan Capistrano, CA, 92675. Phone: (949) 487-0800. Providers update this record themselves, so call before visiting.
How can I verify Nader D. Ghiassi, DDS's license?
NPPES lists California license number 49887, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Nader D. Ghiassi, DDS prescribe under Medicare Part D?
In 2024, Nader D. Ghiassi, DDS had 104 Medicare Part D claims for 47 beneficiaries; the average among general practice dentistry prescribers was 83. 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.