John C. Greif, DDS, MSD
Periodontics · Evansville, IN
John C. Greif, DDS, MSD is a periodontics with a practice address in Evansville, Indiana, and NPI 1194749309, issued on Jul 27, 2006. Check the license (Indiana 12008907, as entered in NPPES) with the Indiana board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- John C. Greif
- Credential
- DDS, MSD
- Primary taxonomy
- Periodontics 1223P0300X
- License number
- 12008907 IN
Self-reported in NPPES; status is on the state search - Practice location
- 1212 Professional Blvd, Evansville, IN 47714
- Phone
- (812) 477-6112
- Enumerated
- Jul 27, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (812) 477-3510
- Entity
- Type 1 · individual
8 nearest periodontics records → All 74 in Indiana → Look up another NPI →
Verify John C. Greif in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Indiana board licenses this profession
Search for license 12008907Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3% more Medicare Part D claims than the average periodontics in 2024
284 Medicare Part D claims for 161 beneficiaries, against an average of 277 among the 4,191 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin166 claims
- Chlorhexidine Gluconate31 claims
- Metronidazole28 claims
- Clindamycin Hcl22 claims
- Cephalexin12 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.
John C. Greif among 74 periodontics records in Indiana
John C. Greif, DDS, MSD is one of 74 periodontics records with a practice address in Indiana. 69% 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 1% of them.
- NPI issued2006 · 1% of these records are older, 62% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileNo · 1% of these records are
- Record last updated2007 · 66% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223P0300X and a Indiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Periodontics providers in Indiana
There are 74 periodontics records in Indiana.
All 74 in Indiana → Every provider in Evansville → Periodontics nationwide →
The 8 periodontics records with the nearest ZIP codes
- Kyle Dority, DMDNewburgh, IN 476301548902240
- James Woodyard, DMD, MSNewburgh, IN 476301053462127
- James Humphrey, DDS, MSDTerre Haute, IN 478071023267770
- David Alexander, D.D.S, M.S.DLafayette, IN 479041053484600
- Stephen Cook, DDS MSDLafayette, IN 479041598803777
- Caroline Henderzahs, DDS, MSDLafayette, IN 479041487545612
- Brandi HerronLafayette, IN 479041922684844
- Scott Reef, D.D.S.M.S.DLafayette, IN 479041730252305
Common questions
What is John C. Greif, DDS, MSD's NPI number?
John C. Greif, DDS, MSD's National Provider Identifier (NPI) is 1194749309, issued on Jul 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John C. Greif, DDS, MSD located?
The NPPES record lists a practice address at 1212 Professional Blvd, Evansville, IN, 47714. Phone: (812) 477-6112. Providers update this record themselves, so call before visiting.
How can I verify John C. Greif, DDS, MSD's license?
NPPES lists Indiana license number 12008907, as entered by the provider. Search the Indiana board that licenses this profession; the NPPES record confirms identity only.
How much does John C. Greif, DDS, MSD prescribe under Medicare Part D?
In 2024, John C. Greif, DDS, MSD had 284 Medicare Part D claims for 161 beneficiaries; the average among periodontics prescribers was 277. 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.