Matthew Sean Cowman, D.D.S.
General Practice Dentistry · San Diego, CA
Matthew Sean Cowman, D.D.S. is a general practice dentistry with a practice address in San Diego, California, and NPI 1972728517, issued on Apr 17, 2007. Check the license (California 41006, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Matthew Sean Cowman
- Credential
- D.D.S.
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 41006 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1300 Grand Ave, San Diego, CA 92109
- Phone
- (858) 274-9494
- Enumerated
- Apr 17, 2007
- Record last updated
- Jul 3, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (858) 274-3494
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 17,852 in California → Look up another NPI →
Also registered at 1300 Grand Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Matthew Sean Cowman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 41006Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
58% fewer Medicare Part D claims than the average general practice dentistry in 2024
35 Medicare Part D claims for 26 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D.
Most prescribed
- Penicillin V Potassium15 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: $46.99
1 payment: gift; the largest payer was Ultradent Products 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.
Matthew Sean Cowman among 17,852 general practice dentistry records in California
Matthew Sean Cowman, D.D.S. 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 2007, is newer than 29% of them.
- NPI issued2007 · 29% of these records are older, 40% 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 updated2012 · 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).
647 general practice dentistry records list a practice address in San Diego
They are 647 of the 52,937 NPPES records with a practice address in San Diego, and 17,852 general practice dentistry records in California.
All 17,852 in California → Every provider in San Diego → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Andrew Demeyer, DDSSan Diego, CA 921091417034471
- Joseph Fallon, D.D.S.San Diego, CA 921091184748725
- Michael Foust, D.D.S.San Diego, CA 921091013079722
- Kyle Gernhofer, DDSSan Diego, CA 921091295700797
- David Irwin, D.M.D.San Diego, CA 921091346307402
- Christopher Kempston, DDSSan Diego, CA 921091992843692
- Masha Mirkin, DMDSan Diego, CA 921091689748824
- A Muir, DDSSan Diego, CA 921091285716514
Common questions
What is Matthew Sean Cowman, D.D.S.'s NPI number?
Matthew Sean Cowman, D.D.S.'s National Provider Identifier (NPI) is 1972728517, issued on Apr 17, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Matthew Sean Cowman, D.D.S. located?
The NPPES record lists a practice address at 1300 Grand Ave, San Diego, CA, 92109. Phone: (858) 274-9494. Providers update this record themselves, so call before visiting.
How can I verify Matthew Sean Cowman, D.D.S.'s license?
NPPES lists California license number 41006, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Matthew Sean Cowman, D.D.S. prescribe under Medicare Part D?
In 2024, Matthew Sean Cowman, D.D.S. had 35 Medicare Part D claims for 26 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.