Mark Andrew Rainwater, DDS
Dentist · Walterboro, SC
Mark Andrew Rainwater, DDS is a dentist with a practice address in Walterboro, South Carolina, and NPI 1972099976, issued on Jul 3, 2018. Check the license (South Carolina 10352, as entered in NPPES) with the South Carolina board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mark Andrew Rainwater
- Credential
- DDS
- Primary taxonomy
- Dentist 122300000X
- License number
- 10352 SC
Self-reported in NPPES; status is on the state search - Practice location
- 830 Robertson Blvd, Walterboro, SC 29488
- Phone
- (843) 781-7428
- Enumerated
- Jul 3, 2018
- Record last updated
- Nov 7, 2025
- Medicaid ID
- ZX0352 SC
- Medicare enrollment
- Enrolled (PECOS I20251231003686); may accept Medicare assignment
- Entity
- Type 1 · individual
Also registered at 830 Robertson Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mark Andrew Rainwater 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 10352Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
36% fewer Medicare Part D claims than the average dentist in 2024
55 Medicare Part D claims for 36 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin28 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.
6 dentist records list a practice address in Walterboro
They are 6 of the 309 NPPES records with a practice address in Walterboro, and 1,124 dentist records in South Carolina.
All 6 in Walterboro → All 1,124 in South Carolina → Every provider in Walterboro →
Other dentist records in South Carolina
- Ricardo Abakah, D.D.S.Goose Creek, SC1033349550
- Austin Abellana, D.M.DWoodruff, SC1104370667
- Amelia Abercrombie, DMDSumter, SC1730602202
- Wilson Ackerman, DMDGreenwood, SC1225324080
- Alec Adams, DMDMyrtle Beach, SC1972155596
- Debra Adams, DMDMt Pleasant, SC1619359627
- Nina Adams, DMDLexington, SC1497680227
- Richard Adcook, DDSNorth Charleston, SC1982680229
- Sylvester Adu Boahene, DDSColumbia, SC1235391665
- Chika Agu, DDSLaurens, SC1962713602
Common questions
What is Mark Andrew Rainwater, DDS's NPI number?
Mark Andrew Rainwater, DDS's National Provider Identifier (NPI) is 1972099976, issued on Jul 3, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Mark Andrew Rainwater, DDS located?
The NPPES record lists a practice address at 830 Robertson Blvd, Walterboro, SC, 29488. Phone: (843) 781-7428. Providers update this record themselves, so call before visiting.
How can I verify Mark Andrew Rainwater, DDS's license?
NPPES lists South Carolina license number 10352, as entered by the provider. Search the South Carolina board that licenses this profession; the NPPES record confirms identity only.
How much does Mark Andrew Rainwater, DDS prescribe under Medicare Part D?
In 2024, Mark Andrew Rainwater, DDS had 55 Medicare Part D claims for 36 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.