NPPES file of Aug 9, 2026

William Justin Crosby, DDS

Endodontics · Myrtle Beach, SC

William Justin Crosby, DDS is an endodontics with a practice address in Myrtle Beach, South Carolina, and NPI 1154983690, issued on Jul 4, 2019. Check the license (South Carolina 10299, 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
1154983690
Name
William Justin Crosby
Credential
DDS
Primary taxonomy
Endodontics 1223E0200X
License numbers
10299 SC
12013232A IN
Self-reported in NPPES; status is on the state search
Practice location
350 Hilton RD Ste 201, Myrtle Beach, SC 29572
Phone
(843) 497-3707
Enumerated
Jul 4, 2019
Record last updated
Oct 28, 2022
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest endodontics records → All 94 in South Carolina → Look up another NPI →

Verify William Justin Crosby 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 10299    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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72% more Medicare Part D claims than the average endodontics in 2024

208 Medicare Part D claims for 154 beneficiaries, against an average of 121 among the 4,119 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. William Crosby208
  2. Specialty average121

Most prescribed

  1. Amoxicillin95 claims
  2. Azithromycin45 claims
  3. Clindamycin Hcl32 claims
  4. Amoxicillin-Clavulanate Potass12 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.

William Justin Crosby among 94 endodontics records in South Carolina

William Justin Crosby, DDS is one of 94 endodontics records with a practice address in South Carolina. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 91% of them.

  • NPI issued2019 · 91% of these records are older, 5% newer
  • In a Medicare fileYes · 69% of these records are
  • In the CMS Doctors and Clinicians fileNo · 0% of these records are
  • Record last updated2022 · 62% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223E0200X and a South Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Endodontics providers in South Carolina

There are 94 endodontics records in South Carolina.

All 94 in South Carolina → Every provider in Myrtle Beach → Endodontics nationwide →

The 8 endodontics records with the nearest ZIP codes

  1. Keith Berry, DMDMyrtle Beach, SC 295721750355145
  2. John Pavy, DDSSurfside Beach, SC 295751821263989
  3. Alexis BorgestadMurrells Inlet, SC 295761740873512
  4. Christian Black, DMDMyrtle Beach, SC 295771407586274
  5. Mark Conard, D.M.D.Myrtle Beach, SC 295771255663019
  6. Benjamin Porras, D.M.D.Myrtle Beach, SC 295771255684916
  7. Russell Eddy, DMDPawleys Island, SC 295851477501575
  8. Julian Nichols, DMDPawleys Island, SC 295851568487890

Common questions

What is William Justin Crosby, DDS's NPI number?

William Justin Crosby, DDS's National Provider Identifier (NPI) is 1154983690, issued on Jul 4, 2019. An NPI identifies a provider in billing; it is not a license.

Where is William Justin Crosby, DDS located?

The NPPES record lists a practice address at 350 Hilton RD Ste 201, Myrtle Beach, SC, 29572. Phone: (843) 497-3707. Providers update this record themselves, so call before visiting.

How can I verify William Justin Crosby, DDS's license?

NPPES lists South Carolina license number 10299, as entered by the provider. Search the South Carolina board that licenses this profession; the NPPES record confirms identity only.

How much does William Justin Crosby, DDS prescribe under Medicare Part D?

In 2024, William Justin Crosby, DDS had 208 Medicare Part D claims for 154 beneficiaries; the average among endodontics prescribers was 121. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.