Houry Koushakjian, D.D.S
Dentist · Los Angeles, CA
Houry Koushakjian, D.D.S is a dentist with a practice address in Los Angeles, California, and NPI 1972541654, issued on Jun 3, 2006. Check the license (California 45479, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Houry Koushakjian
- Credential
- D.D.S
- Primary taxonomy
- Dentist 122300000X
- License number
- 45479 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4618 Fountain Ave, Los Angeles, CA 90029
- Phone
- (323) 953-7170
- Enumerated
- Jun 3, 2006
- Record last updated
- Feb 25, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (323) 663-2379
- Entity
- Type 1 · individual
8 nearest dentist records → All 14,729 in California → Look up another NPI →
Also registered at 4618 Fountain Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Houry Koushakjian in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 45479Check 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.
Houry Koushakjian among 14,729 dentist records in California
Houry Koushakjian, D.D.S 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 updated2020 · 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).
881 dentist records list a practice address in Los Angeles
They are 881 of the 69,537 NPPES records with a practice address in Los Angeles, and 14,729 dentist records in California.
All 14,729 in California → Every provider in Los Angeles → Dentist nationwide →
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Common questions
What is Houry Koushakjian, D.D.S's NPI number?
Houry Koushakjian, D.D.S's National Provider Identifier (NPI) is 1972541654, issued on Jun 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Houry Koushakjian, D.D.S located?
The NPPES record lists a practice address at 4618 Fountain Ave, Los Angeles, CA, 90029. Phone: (323) 953-7170. Providers update this record themselves, so call before visiting.
How can I verify Houry Koushakjian, D.D.S's license?
NPPES lists California license number 45479, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Houry Koushakjian, D.D.S prescribe under Medicare Part D?
In 2024, Houry Koushakjian, D.D.S 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.