NPPES file of Aug 9, 2026

William Joel Cook, MD

MOHS-Micrographic Surgery Physician · Charleston, SC

William Joel Cook, MD is a mohs-micrographic surgery physician with a practice address in Charleston, South Carolina, and NPI 1639100100, issued on Jul 5, 2006. Check the license (South Carolina 17169, as entered in NPPES) on the South Carolina Board of Medical Examiners; 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
1639100100
Name
William Joel Cook
Credential
MD
Primary taxonomy
MOHS-Micrographic Surgery Physician 207ND0101X
License number
17169 SC
Self-reported in NPPES; status is on the state search
Practice location
171 Ashley Ave, Charleston, SC 29425
Phone
(843) 792-1414
Enumerated
Jul 5, 2006
Record last updated
Oct 5, 2020 (not updated in 6 years: call before relying on the address or phone)
Medicaid ID
171691 SC
Medicare enrollment
Enrolled (PECOS I20080116000246); accepts Medicare assignment
Medical or professional school
Medical University Of South Carolina College Of Medicine, 1992
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 171 Ashley Ave

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

  1. Andrea Abbott, MDSurgical Oncology Physician1245473354
  2. Miguel Abboud, MDPediatric Hematology & Oncology Physician1619292851
  3. Ahmed Abdelkader, MD, PHDNephrology Physician1629743000
  4. Mohamed Abdelwahab, MDOtolaryngology Physician1528679768
  5. Anne Abel, MDChild Abuse Pediatrics Physician1043328990
  6. Christina Abrams, M.D.Pediatric Hematology & Oncology Physician1376920207

Verify William Joel Cook in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersSouth Carolina Board of Medical Examiners
    Search for license 17169
    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
Open the South Carolina license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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2.1 times the Medicare Part D claims of the average mohs-micrographic surgery physician in 2024

1,221 Medicare Part D claims for 954 beneficiaries, against an average of 570 among the 1,396 providers of this specialty who prescribed in Part D. 33 claims were for opioids.

  1. William Cook1,221
  2. Specialty average570

Most prescribed

  1. Cephalexin433 claims
  2. Doxycycline Hyclate243 claims
  3. Clindamycin Hcl173 claims
  4. Ciprofloxacin Hcl133 claims
  5. Timolol Maleate107 claims
  6. Mupirocin42 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.

Bills Medicare through 2 group practices

  1. Cora South Carolina LLCBeaufort, SC
  2. University Medical Associates OF The Medical University OF South CarolCharleston, SC

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

MOHS-Micrographic Surgery Physician providers in South Carolina

There are 24 mohs-micrographic surgery physician records in South Carolina.

Other mohs-micrographic surgery physician records in South Carolina

  1. Jim Chow, M.D.Columbia, SC1891768487
  2. Brandon Coakley, MDMyrtle Beach, SC1992065858
  3. Monica Constantinescu, M.D.Myrtle Beach, SC1760700942
  4. Charles Darragh, MDGreenville, SC1245676774
  5. Richard Deangelis, M.D.Anderson, SC1427059997
  6. James Debloom, MDGreenville, SC1396777124
  7. Brent Folsom, MDMyrtle Beach, SC1851928410
  8. Daren Fomin, DOAnderson, SC1982132510
  9. Fabrizio Galimberti, MDConway, SC1639531825
  10. Ling-Lun Hsia, M.D.Charleston, SC1649538745

Common questions

What is William Joel Cook, MD's NPI number?

William Joel Cook, MD's National Provider Identifier (NPI) is 1639100100, issued on Jul 5, 2006. An NPI identifies a provider in billing; it is not a license.

Where is William Joel Cook, MD located?

The NPPES record lists a practice address at 171 Ashley Ave, Charleston, SC, 29425. Phone: (843) 792-1414. Providers update this record themselves, so call before visiting.

How can I verify William Joel Cook, MD's license?

NPPES lists South Carolina license number 17169, as entered by the provider. Search the South Carolina Board of Medical Examiners at https://verify.llronline.com/LicLookup/Med/Med.aspx?div=22. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does William Joel Cook, MD prescribe under Medicare Part D?

In 2024, William Joel Cook, MD had 1,221 Medicare Part D claims for 954 beneficiaries; the average among mohs-micrographic surgery physician prescribers was 570. 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.