Gregory R. Orsimarsi, DMD
Dentist · Charleston, SC
Gregory R. Orsimarsi, DMD is a dentist with a practice address in Charleston, South Carolina, and NPI 1932339744, issued on Jul 15, 2009. Check the license (South Carolina 4629, as entered in NPPES) with the South Carolina board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Gregory R. Orsimarsi
- Credential
- DMD
- Primary taxonomy
- Dentist 122300000X
- License number
- 4629 SC
Self-reported in NPPES; status is on the state search - Practice location
- 1677 Savannah Hwy, Charleston, SC 29407
- Phone
- (843) 556-6575
- Enumerated
- Jul 15, 2009
- Record last updated
- Nov 3, 2023
- Fax
- (843) 556-0207
- Entity
- Type 1 · individual
8 nearest dentist records → All 1,124 in South Carolina → Look up another NPI →
Also registered at 1677 Savannah Hwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nicholas Bautz, DMDGeneral Practice Dentistry1861386708
Verify Gregory R. Orsimarsi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich South Carolina board licenses this profession
Search for license 4629Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
40% fewer Medicare Part D claims than the average dentist in 2024
52 Medicare Part D claims for 32 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin39 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.
Industry payments in 2024: $281.29
4 payments; by number, the most common kind was food and beverage; the largest payer was Dentsply Sirona Inc. The 31,974 providers of this specialty with any payment received $540.36 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Gregory R. Orsimarsi among 1,124 dentist records in South Carolina
Gregory R. Orsimarsi, DMD is one of 1,124 dentist records with a practice address in South Carolina. 66% 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 43% of them.
- NPI issued2009 · 43% of these records are older, 53% newer
- In a Medicare fileYes · 66% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2023 · 64% 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 South Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Dentist providers in South Carolina
There are 1,124 dentist records in South Carolina.
All 1,124 in South Carolina → Every provider in Charleston → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Brooke Bode, DMDCharleston, SC 294071053482448
- Reed David, DDSCharleston, SC 294071669496816
- Kara Gallagher, DDSCharleston, SC 294071962513598
- Raymond Kassis, DDSCharleston, SC 294071265654990
- B Kays, D.D.S.Charleston, SC 294071669682332
- Jeffrey Kotz, D.M.D.Charleston, SC 294071750403135
- James Lesch, DDSCharleston, SC 294071366491078
- Agatha Lynn, D.M.D.Charleston, SC 294071023217395
Common questions
What is Gregory R. Orsimarsi, DMD's NPI number?
Gregory R. Orsimarsi, DMD's National Provider Identifier (NPI) is 1932339744, issued on Jul 15, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Gregory R. Orsimarsi, DMD located?
The NPPES record lists a practice address at 1677 Savannah Hwy, Charleston, SC, 29407. Phone: (843) 556-6575. Providers update this record themselves, so call before visiting.
How can I verify Gregory R. Orsimarsi, DMD's license?
NPPES lists South Carolina license number 4629, as entered by the provider. Search the South Carolina board that licenses this profession; the NPPES record confirms identity only.
How much does Gregory R. Orsimarsi, DMD prescribe under Medicare Part D?
In 2024, Gregory R. Orsimarsi, DMD had 52 Medicare Part D claims for 32 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.