Derek O. Graber, DDS
General Practice Dentistry · Evansville, IN
Derek O. Graber, DDS is a general practice dentistry with a practice address in Evansville, Indiana, and NPI 1184855868, issued on Jul 29, 2009. Check the license (Indiana 12011289A, as entered in NPPES) with the Indiana board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Derek O. Graber
- Credential
- DDS
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 12011289A IN
Self-reported in NPPES; status is on the state search - Practice location
- 400 E Diamond Ave, Evansville, IN 47711
- Phone
- (812) 461-2365
- Enumerated
- Jul 29, 2009
- Record last updated
- Jul 29, 2009 (not updated in 17 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 2,066 in Indiana → Look up another NPI →
Also registered at 400 E Diamond Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Marjorie Cabell, D.M.D.General Practice Dentistry1477518942
- Senait Gebrewold, DMDGeneral Practice Dentistry1356624571
- Mark Ralph, DMDGeneral Practice Dentistry1851480628
Verify Derek O. Graber in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Indiana board licenses this profession
Search for license 12011289ACheck 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% more Medicare Part D claims than the average general practice dentistry in 2024
131 Medicare Part D claims for 79 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin62 claims
- Chlorhexidine Gluconate22 claims
- Azithromycin11 claims
- Methylprednisolone11 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.
Derek O. Graber among 2,066 general practice dentistry records in Indiana
Derek O. Graber, DDS is one of 2,066 general practice dentistry records with a practice address in Indiana. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 66% of them.
- NPI issued2009 · 66% of these records are older, 32% newer
- In a Medicare fileYes · 65% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2009 · 75% 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 Indiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
63 general practice dentistry records list a practice address in Evansville
They are 63 of the 4,352 NPPES records with a practice address in Evansville, and 2,066 general practice dentistry records in Indiana.
All 2,066 in Indiana → Every provider in Evansville → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Steven Buedel, DDSEvansville, IN 477111952413155
- Marjorie Cabell, D.M.D.Evansville, IN 477111477518942
- Senait Gebrewold, DMDEvansville, IN 477111356624571
- Anthony Klein, DDSEvansville, IN 477111144381377
- Michael Pitt, DDSEvansville, IN 477111396817151
- Mark Ralph, DMDEvansville, IN 477111851480628
- Chester Rycroft, D.D.S.Evansville, IN 477111861571309
- Michael Sontz, DMDEvansville, IN 477111134225675
Common questions
What is Derek O. Graber, DDS's NPI number?
Derek O. Graber, DDS's National Provider Identifier (NPI) is 1184855868, issued on Jul 29, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Derek O. Graber, DDS located?
The NPPES record lists a practice address at 400 E Diamond Ave, Evansville, IN, 47711. Phone: (812) 461-2365. Providers update this record themselves, so call before visiting.
How can I verify Derek O. Graber, DDS's license?
NPPES lists Indiana license number 12011289A, as entered by the provider. Search the Indiana board that licenses this profession; the NPPES record confirms identity only.
How much does Derek O. Graber, DDS prescribe under Medicare Part D?
In 2024, Derek O. Graber, DDS had 131 Medicare Part D claims for 79 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.