Gregory Ara Doumanian, DDS
Dentist · Pico Rivera, CA
Gregory Ara Doumanian, DDS is a dentist with a practice address in Pico Rivera, California, and NPI 1588722110, issued on Dec 5, 2006. Check the license (California 40231, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Gregory Ara Doumanian
- Credential
- DDS
- Primary taxonomy
- Dentist 122300000X
- License number
- 40231 CA
Self-reported in NPPES; status is on the state search - Practice location
- 9050 Whittier BL, Pico Rivera, CA 90660
- Phone
- (562) 942-8900
- Enumerated
- Dec 5, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (562) 654-1070
- Entity
- Type 1 · individual
8 nearest dentist records → All 14,729 in California → Look up another NPI →
Verify Gregory Ara Doumanian in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 40231Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
86% fewer Medicare Part D claims than the average dentist in 2024
12 Medicare Part D claims, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
Gregory Ara Doumanian among 14,729 dentist records in California
Gregory Ara Doumanian, DDS is one of 14,729 dentist records with a practice address in California. 56% 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, 82% newer
- In a Medicare fileYes · 56% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2007 · 73% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 122300000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
17 dentist records list a practice address in Pico Rivera
They are 17 of the 470 NPPES records with a practice address in Pico Rivera, and 14,729 dentist records in California.
All 14,729 in California → Every provider in Pico Rivera → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Ann Roselle Amador, DMDPico Rivera, CA 906601346446960
- Raul Castellanos, DDSPico Rivera, CA 906601174530802
- Adino Cruz, DDSPico Rivera, CA 906601053497503
- Zoila De Cruz, DDSPico Rivera, CA 906601710039102
- Sean Full, DDSPico Rivera, CA 906601962058313
- Martha Galaviz, D.D.S.Pico Rivera, CA 906601376880211
- Carlos Horiguchi, DDSPico Rivera, CA 906601073662870
- Chih-Wei Hwang, DDSPico Rivera, CA 906601972713808
Common questions
What is Gregory Ara Doumanian, DDS's NPI number?
Gregory Ara Doumanian, DDS's National Provider Identifier (NPI) is 1588722110, issued on Dec 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gregory Ara Doumanian, DDS located?
The NPPES record lists a practice address at 9050 Whittier BL, Pico Rivera, CA, 90660. Phone: (562) 942-8900. Providers update this record themselves, so call before visiting.
How can I verify Gregory Ara Doumanian, DDS's license?
NPPES lists California license number 40231, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Gregory Ara Doumanian, DDS prescribe under Medicare Part D?
In 2024, Gregory Ara Doumanian, DDS had 12 Medicare Part D claims; the average among dentist prescribers was 86. 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.