Sydney Rae Caskey-Buck, DDS
General Practice Dentistry · Hilton Head Island, SC
Sydney Rae Caskey-Buck, DDS is a general practice dentistry with a practice address in Hilton Head Island, South Carolina, and NPI 1689246019, issued on Jul 14, 2021. Check the license (South Carolina 9931, as entered in NPPES) with the South Carolina board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Sydney Rae Caskey-Buck
- Credential
- DDS
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 9931 SC
Self-reported in NPPES; status is on the state search - Practice location
- 4101 Main St Ste D, Hilton Head Island, SC 29926
- Phone
- (843) 683-4601
- Enumerated
- Jul 14, 2021
- Record last updated
- Dec 15, 2021 (not updated in 5 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 1,761 in South Carolina → Look up another NPI →
Also registered at 4101 Main St Ste D
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jordan Haire, DMDStudent in an Organized Health Care Education/Training Program1205444171
- Matthew Mastrorocco, D.M.D.General Practice Dentistry1598848889
Verify Sydney Rae Caskey-Buck 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 9931Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
66% fewer Medicare Part D claims than the average general practice dentistry in 2024
28 Medicare Part D claims for 19 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin14 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: $307.19
4 payments; by number, the most common kind was food and beverage; the largest payer was Zimvie Inc. The 41,669 providers of this specialty with any payment received $597.01 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.
Sydney Rae Caskey-Buck among 1,761 general practice dentistry records in South Carolina
Sydney Rae Caskey-Buck, DDS is one of 1,761 general practice dentistry 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 2021, is newer than 82% of them.
- NPI issued2021 · 82% of these records are older, 14% 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 updated2021 · 65% 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 South Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
14 general practice dentistry records list a practice address in Hilton Head Island
They are 14 of the 500 NPPES records with a practice address in Hilton Head Island, and 1,761 general practice dentistry records in South Carolina.
All 1,761 in South Carolina → Every provider in Hilton Head Island → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- D Eibling, DDSHilton Head Island, SC 299261174737308
- Timothy Gross, D.M.D.Hilton Head Island, SC 299261659443117
- William Hanley, D.M.D.Hilton Head Island, SC 299261174626055
- Charles Housaman, DDSHilton Head, SC 299261881614717
- Henry Iannuzzi, DDSHilton Head Island, SC 299261396802310
- Craig Jackson, DDSHilton Head Island, SC 299261235192469
- Daniel Lawless, DMDHilton Head, SC 299261639149685
- Matthew Mastrorocco, D.M.D.Hilton Head Island, SC 299261598848889
Common questions
What is Sydney Rae Caskey-Buck, DDS's NPI number?
Sydney Rae Caskey-Buck, DDS's National Provider Identifier (NPI) is 1689246019, issued on Jul 14, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Sydney Rae Caskey-Buck, DDS located?
The NPPES record lists a practice address at 4101 Main St Ste D, Hilton Head Island, SC, 29926. Phone: (843) 683-4601. Providers update this record themselves, so call before visiting.
How can I verify Sydney Rae Caskey-Buck, DDS's license?
NPPES lists South Carolina license number 9931, as entered by the provider. Search the South Carolina board that licenses this profession; the NPPES record confirms identity only.
How much does Sydney Rae Caskey-Buck, DDS prescribe under Medicare Part D?
In 2024, Sydney Rae Caskey-Buck, DDS had 28 Medicare Part D claims for 19 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.