NPPES file of Aug 9, 2026

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.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1972099976
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
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 830 Robertson Blvd

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Vonda Calcutt, MDEndocrinology, Diabetes & Metabolism Physician1477591162
  2. Brittany Carter, APRNFamily Nurse Practitioner1467113324
  3. Skyler Fountaine, PA-CPhysician Assistant1932954153
  4. Rosie Mincey, NPFamily Nurse Practitioner1912350034
  5. Danielle Shoupe, APRN-FNPFamily Nurse Practitioner1801458765
  6. Ashley Ward, FNPFamily Nurse Practitioner1164072930

Verify Mark Andrew Rainwater in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich South Carolina board licenses this profession
    Search for license 10352
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the South Carolina license search

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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.

  1. Mark Rainwater55
  2. Specialty average86

Most prescribed

  1. 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.

Other dentist records in South Carolina

  1. Ricardo Abakah, D.D.S.Goose Creek, SC1033349550
  2. Austin Abellana, D.M.DWoodruff, SC1104370667
  3. Amelia Abercrombie, DMDSumter, SC1730602202
  4. Wilson Ackerman, DMDGreenwood, SC1225324080
  5. Alec Adams, DMDMyrtle Beach, SC1972155596
  6. Debra Adams, DMDMt Pleasant, SC1619359627
  7. Nina Adams, DMDLexington, SC1497680227
  8. Richard Adcook, DDSNorth Charleston, SC1982680229
  9. Sylvester Adu Boahene, DDSColumbia, SC1235391665
  10. 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.