Justin Cowan, DDS
Dentist · Seal Beach, CA
Justin Cowan, DDS is a dentist with a practice address in Seal Beach, California, and NPI 1043947906, issued on Aug 2, 2022. Check the license (California 107711, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Justin Cowan
- Credential
- DDS
- Primary taxonomy
- Dentist 122300000X
- License number
- 107711 CA
Self-reported in NPPES; status is on the state search - Practice location
- 12419 Seal Beach Blvd, Seal Beach, CA 90740
- Phone
- (562) 431-0393
- Enumerated
- Aug 2, 2022
- Record last updated
- Aug 2, 2022
- Entity
- Type 1 · individual
8 nearest dentist records → All 14,729 in California → Look up another NPI →
Also registered at 12419 Seal Beach Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jordan Belden, DDSGeneral Practice Dentistry1881207009
- Henry NguyenDentist1063073385
- Jonathan OatisDentist1538093612
- Eric Scott, DDSDentist1669904496
Verify Justin Cowan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 107711Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
50% fewer Medicare Part D claims than the average dentist in 2024
43 Medicare Part D claims for 29 beneficiaries, 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.
Most prescribed
- Amoxicillin21 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.
Justin Cowan among 14,729 dentist records in California
Justin Cowan, 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 2022, is newer than 86% of them.
- NPI issued2022 · 86% of these records are older, 11% 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 updated2022 · 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).
9 dentist records list a practice address in Seal Beach
They are 9 of the 394 NPPES records with a practice address in Seal Beach, and 14,729 dentist records in California.
All 14,729 in California → Every provider in Seal Beach → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Kendra Brooks, DDSSeal Beach, CA 907401093387102
- Gerald Kaplan, D.D.S.Seal Beach, CA 907401538407580
- Andrew Kim, DDSSeal Beach, CA 907401194847939
- Javier Mejia, DDSSeal Beach, CA 907401669512695
- Henry NguyenSeal Beach, CA 907401063073385
- Jonathan OatisSeal Beach, CA 907401538093612
- Eric Scott, DDSSeal Beach, CA 907401669904496
- Kylie Wong-Hazehara, DMDSeal Beach, CA 907401043004005
Common questions
What is Justin Cowan, DDS's NPI number?
Justin Cowan, DDS's National Provider Identifier (NPI) is 1043947906, issued on Aug 2, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Justin Cowan, DDS located?
The NPPES record lists a practice address at 12419 Seal Beach Blvd, Seal Beach, CA, 90740. Phone: (562) 431-0393. Providers update this record themselves, so call before visiting.
How can I verify Justin Cowan, DDS's license?
NPPES lists California license number 107711, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Justin Cowan, DDS prescribe under Medicare Part D?
In 2024, Justin Cowan, DDS had 43 Medicare Part D claims for 29 beneficiaries; 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.