Dimitri Grammas, D.D.S
General Practice Dentistry · Orange, CA
Dimitri Grammas, D.D.S is a general practice dentistry with a practice address in Orange, California, and NPI 1376569772, issued on Jul 15, 2006. Check the license (California 37832, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Dimitri Grammas
- Credential
- D.D.S
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 37832 CA
Self-reported in NPPES; status is on the state search - Practice location
- 149 E Lincoln Ave, Orange, CA 92865
- Phone
- (714) 283-9188
- Enumerated
- Jul 15, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (714) 283-9228
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 17,852 in California → Look up another NPI →
Verify Dimitri Grammas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 37832Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
17% fewer Medicare Part D claims than the average general practice dentistry in 2024
69 Medicare Part D claims for 47 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin56 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.
Dimitri Grammas among 17,852 general practice dentistry records in California
Dimitri Grammas, 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 2006, is newer than 3% of them.
- NPI issued2006 · 3% of these records are older, 71% 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 updated2007 · 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).
107 general practice dentistry records list a practice address in Orange
They are 107 of the 13,245 NPPES records with a practice address in Orange, and 17,852 general practice dentistry records in California.
All 17,852 in California → Every provider in Orange → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Paul Athanasius, D.D.SOrange, CA 928651942538160
- Faranak Behi, D.D.S.Orange, CA 928651053337451
- Jay Berger, D.D.S.Orange, CA 928651952506768
- James Bui, DDSOrange, CA 928651912103912
- Tim Chou, D.D.S.Orange, CA 928651730453796
- Hyun-Jung Kim, D.D.S.Orange, CA 928651538464771
- Frederick Linden, D.D.S.Orange, CA 928651720036049
- Lareine Mikhael, DDSOrange, CA 928651972198737
Common questions
What is Dimitri Grammas, D.D.S's NPI number?
Dimitri Grammas, D.D.S's National Provider Identifier (NPI) is 1376569772, issued on Jul 15, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Dimitri Grammas, D.D.S located?
The NPPES record lists a practice address at 149 E Lincoln Ave, Orange, CA, 92865. Phone: (714) 283-9188. Providers update this record themselves, so call before visiting.
How can I verify Dimitri Grammas, D.D.S's license?
NPPES lists California license number 37832, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Dimitri Grammas, D.D.S prescribe under Medicare Part D?
In 2024, Dimitri Grammas, D.D.S had 69 Medicare Part D claims for 47 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.