Harry S. Clarke, MD, PHD
Urology Physician · Charleston, SC
Harry S. Clarke, MD, PHD is a urology physician with a practice address in Charleston, South Carolina, and NPI 1477590503, issued on May 31, 2006. Check the license (South Carolina 23518, as entered in NPPES) on the South Carolina Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Harry S. Clarke
- Credential
- MD, PHD
- Primary taxonomy
- Urology Physician 208800000X
- License number
- 23518 SC
Self-reported in NPPES; status is on the state search - Practice location
- 171 Ashley Ave, Charleston, SC 29425
- Phone
- (843) 792-6200
- Enumerated
- May 31, 2006
- Record last updated
- Oct 8, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicaid ID
- Q35589 SC
- Medicare enrollment
- Enrolled (PECOS I20041019000352); accepts Medicare assignment
- Medical or professional school
- University Of Toledo College Of Medicine, 1987
- Entity
- Type 1 · individual
8 nearest urology physician records → All 229 in South Carolina → Look up another NPI →
Also registered at 171 Ashley Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Harry S. Clarke in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersSouth Carolina Board of Medical Examiners
Search for license 23518Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
48% fewer Medicare Part D claims than the average urology physician in 2024
692 Medicare Part D claims for 197 beneficiaries, against an average of 1,340 among the 10,782 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.
Most prescribed
- Tamsulosin Hcl240 claims
- Dutasteride127 claims
- Myrbetriq70 claims
- Finasteride69 claims
- Sulfamethoxazole-Trimethoprim54 claims
- Oxybutynin Chloride Er16 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: $739.88
11 payments; by number, the most common kind was food and beverage; the largest payer was Procept BioRobotics Corporation. The 9,340 providers of this specialty with any payment received $3,800.04 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.
Bills Medicare through one group practice
- 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).
Harry S. Clarke among 229 urology physician records in South Carolina
Harry S. Clarke, MD, PHD is one of 229 urology physician records with a practice address in South Carolina. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 18% of them.
- NPI issued2006 · 18% of these records are older, 46% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated1987 · median 2000 among the 147 with a school on file
- Record last updated2020 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208800000X and a South Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Urology Physician providers in South Carolina
There are 229 urology physician records in South Carolina.
All 229 in South Carolina → Every provider in Charleston → Urology Physician nationwide →
The 8 urology physician records with the nearest ZIP codes
- Ian Aaronson, MDCharleston, SC 294251295780070
- John Adams, MDCharleston, SC 294251013081678
- Agha Babanoury, MDCharleston, SC 294251801840020
- Lindsey Cox, M.D.Charleston, SC 294251063674133
- Robert Grubb, MDCharleston, SC 294251558388058
- Thomas Keane, MDCharleston, SC 294251972558708
- Barry Lifson, M.D.Charleston, SC 294251659319200
- Sandip Prasad, MD, MPHILCharleston, SC 294251205905379
Common questions
What is Harry S. Clarke, MD, PHD's NPI number?
Harry S. Clarke, MD, PHD's National Provider Identifier (NPI) is 1477590503, issued on May 31, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Harry S. Clarke, MD, PHD located?
The NPPES record lists a practice address at 171 Ashley Ave, Charleston, SC, 29425. Phone: (843) 792-6200. Providers update this record themselves, so call before visiting.
How can I verify Harry S. Clarke, MD, PHD's license?
NPPES lists South Carolina license number 23518, 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 Harry S. Clarke, MD, PHD prescribe under Medicare Part D?
In 2024, Harry S. Clarke, MD, PHD had 692 Medicare Part D claims for 197 beneficiaries; the average among urology physician prescribers was 1,340. 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.