What is Harry Clarke's NPI number?

Harry Clarke's National Provider Identifier (NPI) is 1477590503, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Harry Clarke's specialty?

Harry Clarke is listed in the NPPES registry with a primary specialty of Urology Physician (Allopathic & Osteopathic Physicians).

Where is Harry Clarke located?

Harry Clarke's practice location on file with NPPES is 171 Ashley Ave, Charleston, SC 29425-0001.

What is Harry Clarke's phone number?

The practice phone number listed in the NPPES registry for Harry Clarke is (843) 792-6200.

Does Harry Clarke accept Medicare?

Harry Clarke is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.

Is Harry Clarke's NPI active?

Yes — Harry Clarke's NPI (1477590503) is active in the NPPES registry as of the last update on 2020-10-08.

IndividualActiveAccepts Medicare

Harry Clarke, MD, PHD

NPI 1477590503 · Urology Physician · Charleston, SC

Harry Clarke, MD, PHD is a Urology Physician provider in Charleston, SC (NPI 1477590503).

Provider details

NPI number: 1477590503
Entity type: Individual
Primary specialty: Urology PhysicianAllopathic & Osteopathic Physicians
Credential: MD, PHD
Sex: Male
Sole proprietor: No
License: 23518 (SC)

Practice location

171 Ashley Ave

Charleston, SC 29425-0001

Phone: (843) 792-6200

Street-level locationGet directions

More SC providers

Mailing address

Po Box 751461

Charlotte, NC 28275-1461

Specialties & taxonomies

Urology PhysicianPrimary208800000XLicense 23518 (SC)
Allopathic & Osteopathic Physicians

Enrolled with Medicare as Practitioner - Urology · source: CMS PECOS Public Provider Enrollment (2026.04.01)

Profile Score

Detailed profile(78/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure25% of score
20 yrs in NPPES registry
Profile completeness25% of score
100% of core fields populated
Practice footprint15% of score
1 documented practice location
Medicare service volume (vs. specialty peers)25% of score
1,815 Medicare services, 2024 (ranked within specialty)
Open Payments transparency10% of score
Has Open Payments disclosures (2024)

Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

What this provider does (Medicare)

Based on Medicare fee-for-service claims, 2024; not all care is captured.

Service (HCPCS)	Medicare services	Typical Medicare-allowed (2024)
Urinalysis, Manual Test81002	581	$3
Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214	567	$118
Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211	135	$16
New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204	130	$156
Diagnostic Exam of Bladder and Urethra Using an Endoscope52000	80	$218
Injection of Biodegradable Material Next to Prostate

What this provider prescribes (Medicare Part D)

Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.

Drug	Part D claims (2024)	Beneficiaries
Tamsulosin Hcl	240	81
Dutasteride	127	36
Mirabegronbrand: Myrbetriq	70	22
Finasteride	69	24
Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim	54	43
Oxybutynin Chloridebrand: Oxybutynin Chloride Er	16	—
Silodosin	16

Transparency — industry payments

Based on CMS Open Payments, 2024; not all care is captured.

$740 across 11 records (Open Payments 2024)

Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.

Enumerated: 2006-05-31
Last updated: 2020-10-08
Certified: 2020-10-08

Frequently asked questions

What is Harry Clarke's NPI number?: Harry Clarke's National Provider Identifier (NPI) is 1477590503, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Harry Clarke's specialty?: Harry Clarke is listed in the NPPES registry with a primary specialty of Urology Physician (Allopathic & Osteopathic Physicians).
Where is Harry Clarke located?: Harry Clarke's practice location on file with NPPES is 171 Ashley Ave, Charleston, SC 29425-0001.
What is Harry Clarke's phone number?: The practice phone number listed in the NPPES registry for Harry Clarke is (843) 792-6200.
Does Harry Clarke accept Medicare?: Harry Clarke is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
Is Harry Clarke's NPI active?: Yes — Harry Clarke's NPI (1477590503) is active in the NPPES registry as of the last update on 2020-10-08.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.

What this provider does (Medicare)

Based on Medicare fee-for-service claims, 2024; not all care is captured.

Service (HCPCS)	Medicare services	Typical Medicare-allowed (2024)
Urinalysis, Manual Test81002	581	$3
Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214	567	$118
Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211	135	$16
New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204	130	$156
Diagnostic Exam of Bladder and Urethra Using an Endoscope52000	80	$218
Injection of Biodegradable Material Next to Prostate

What this provider prescribes (Medicare Part D)

Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.

Drug	Part D claims (2024)	Beneficiaries
Tamsulosin Hcl	240	81
Dutasteride	127	36
Mirabegronbrand: Myrbetriq	70	22
Finasteride	69	24
Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim	54	43
Oxybutynin Chloridebrand: Oxybutynin Chloride Er	16	—
Silodosin	16

Transparency — industry payments

Based on CMS Open Payments, 2024; not all care is captured.

$740 across 11 records (Open Payments 2024)

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

What this provider does (Medicare)

What this provider prescribes (Medicare Part D)

Transparency — industry payments

Registry dates

Frequently asked questions

Specialties & taxonomies

Frequently asked questions

Profile Score

What this provider does (Medicare)

What this provider prescribes (Medicare Part D)

Transparency — industry payments