Antonio Margiotta, DMD
Dentist · Walnut Creek, CA
Antonio Margiotta, DMD is a dentist with a practice address in Walnut Creek, California, and NPI 1447278775, issued on Jul 17, 2006. Check the license (California 44937, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Antonio Margiotta
- Credential
- DMD
- Primary taxonomy
- Dentist 122300000X
- License number
- 44937 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1844 San Miguel Dr, Walnut Creek, CA 94596
- Phone
- (925) 935-9417
- Enumerated
- Jul 17, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest dentist records → All 14,729 in California → Look up another NPI →
Also registered at 1844 San Miguel Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Antonio Margiotta in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 44937Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
63% fewer Medicare Part D claims than the average dentist in 2024
32 Medicare Part D claims for 27 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
- Amoxicillin23 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.
Antonio Margiotta among 14,729 dentist records in California
Antonio Margiotta, DMD 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).
63 dentist records list a practice address in Walnut Creek
They are 63 of the 6,170 NPPES records with a practice address in Walnut Creek, and 14,729 dentist records in California.
All 14,729 in California → Every provider in Walnut Creek → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Curtis Barmby, DDSWalnut Creek, CA 945961487753034
- Clark Chen, DDSWalnut Creek, CA 945961932112265
- Virginia Ellis, DDSWalnut Creek, CA 945961225167182
- Gail Frick, DMDWalnut Creek, CA 945961174622724
- Terence Louie, DMD,MSWalnut Creek, CA 945961295860278
- Quintin Louie, D.M.D.Walnut Creek, CA 945961316073117
- Hala Mealing, DDSWalnut Creek, CA 945961083695431
- Alireza Moheb, DMDWalnut Creek, CA 945961013096502
Common questions
What is Antonio Margiotta, DMD's NPI number?
Antonio Margiotta, DMD's National Provider Identifier (NPI) is 1447278775, issued on Jul 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Antonio Margiotta, DMD located?
The NPPES record lists a practice address at 1844 San Miguel Dr, Walnut Creek, CA, 94596. Phone: (925) 935-9417. Providers update this record themselves, so call before visiting.
How can I verify Antonio Margiotta, DMD's license?
NPPES lists California license number 44937, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Antonio Margiotta, DMD prescribe under Medicare Part D?
In 2024, Antonio Margiotta, DMD had 32 Medicare Part D claims for 27 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.