Larissa Gardner Hammer, D.M.D.
General Practice Dentistry · Oxford, MS
Larissa Gardner Hammer, D.M.D. is a general practice dentistry with a practice address in Oxford, Mississippi, and NPI 1710180807, issued on Jun 7, 2007. Check the license (Mississippi 3447-08, as entered in NPPES) with the Mississippi board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Larissa Gardner Hammer
- Credential
- D.M.D.
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 3447-08 MS
Self-reported in NPPES; status is on the state search - Practice location
- 2162 S Lamar Blvd, Oxford, MS 38655
- Phone
- (662) 236-1969
- Enumerated
- Jun 7, 2007
- Record last updated
- Mar 1, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (662) 513-5878
- Medicaid ID
- 07458861 MS
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 845 in Mississippi → Look up another NPI →
Also registered at 2162 S Lamar Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- John Collier, DDSGeneral Practice Dentistry1376672618
- Shelly Osborn, D.M.D.Dentist1609256486
Verify Larissa Gardner Hammer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Mississippi board licenses this profession
Search for license 3447-08Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2% fewer Medicare Part D claims than the average general practice dentistry in 2024
81 Medicare Part D claims for 63 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Chlorhexidine Gluconate47 claims
- Amoxicillin21 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.
Larissa Gardner Hammer among 845 general practice dentistry records in Mississippi
Larissa Gardner Hammer, D.M.D. is one of 845 general practice dentistry records with a practice address in Mississippi. 70% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 30% of them.
- NPI issued2007 · 30% of these records are older, 44% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2012 · 74% 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 Mississippi practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
12 general practice dentistry records list a practice address in Oxford
They are 12 of the 1,418 NPPES records with a practice address in Oxford, and 845 general practice dentistry records in Mississippi.
All 845 in Mississippi → Every provider in Oxford → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Joseph Adams, DMDOxford, MS 386551700174323
- John Collier, DDSOxford, MS 386551376672618
- Ward Dawkins, D.D.S.Oxford, MS 386551760653034
- Kaylee Holmes, DDSOxford, MS 386551477383024
- Preston Lee, D.D.S.Oxford, MS 386551730407982
- Christopher MathewsOxford, MS 386551669677829
- Christine Rayburn, DMDOxford, MS 386551083782064
- Andrew Ross, DMDOxford, MS 386551114153723
Common questions
What is Larissa Gardner Hammer, D.M.D.'s NPI number?
Larissa Gardner Hammer, D.M.D.'s National Provider Identifier (NPI) is 1710180807, issued on Jun 7, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Larissa Gardner Hammer, D.M.D. located?
The NPPES record lists a practice address at 2162 S Lamar Blvd, Oxford, MS, 38655. Phone: (662) 236-1969. Providers update this record themselves, so call before visiting.
How can I verify Larissa Gardner Hammer, D.M.D.'s license?
NPPES lists Mississippi license number 3447-08, as entered by the provider. Search the Mississippi board that licenses this profession; the NPPES record confirms identity only.
How much does Larissa Gardner Hammer, D.M.D. prescribe under Medicare Part D?
In 2024, Larissa Gardner Hammer, D.M.D. had 81 Medicare Part D claims for 63 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.