John Marsh, DDS
General Practice Dentistry · Carpinteria, CA
John Marsh, DDS is a general practice dentistry with a practice address in Carpinteria, California, and NPI 1962475863, issued on Feb 10, 2006. Check the license (California 37582, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- John Marsh
- Credential
- DDS
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 37582 CA
Self-reported in NPPES; status is on the state search - Practice location
- 5565 Carpinteria Ave Ste 2, Carpinteria, CA 93013
- Phone
- (805) 684-4537
- Enumerated
- Feb 10, 2006
- Entity
- Type 1 · individual
Also registered at 5565 Carpinteria Ave Ste 2
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Aldo MaciasDentist1063254878
Verify John Marsh in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 37582Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
70% fewer Medicare Part D claims than the average general practice dentistry in 2024
25 Medicare Part D claims for 21 beneficiaries, against an average of 84 among the 68,591 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Amoxicillin18 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.
5 general practice dentistry records list a Carpinteria practice address
They are 5 of the 201 NPPES records with a Carpinteria practice address, and 17,740 general practice dentistry records in California.
All 5 in Carpinteria → All 17,740 in California → Every provider in Carpinteria →
Other general practice dentistry records in California
- Ronald Aanerud, DDSSan Diego, CA1871752931
- Steven Aaronson, D.D.S.Santa Monica, CA1265455851
- Shahrzad Aarup, DDSPomona, CA1265784367
- Al Abad, DDSSan Jose, CA1104992148
- Erwin Abad, D.D.S.Canoga Park, CA1861590093
- Francine Abad, DDSSan Francisco, CA1942700810
- Maria Abad, D.D.S.Norwalk, CA1215006754
- Mark Ryan Abad, DDSDaly City, CA1770357394
- Sanaz Abadi, D.D.S.Los Angeles, CA1699934026
- Ernesto Abadilla, DDSPalm Desert, CA1508063801
Common questions
What is John Marsh, DDS's NPI number?
John Marsh, DDS's National Provider Identifier (NPI) is 1962475863, issued on Feb 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Marsh, DDS located?
The NPPES record lists a practice address at 5565 Carpinteria Ave Ste 2, Carpinteria, CA, 93013. Phone: (805) 684-4537. Providers update this record themselves, so call before visiting.
How can I verify John Marsh, DDS's license?
NPPES lists California license number 37582, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does John Marsh, DDS prescribe under Medicare Part D?
In 2024, John Marsh, DDS had 25 Medicare Part D claims for 21 beneficiaries; the average among general practice dentistry prescribers was 84. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.