William Horn, MD
NPI 1720016538 · Dermatology Physician · Hatboro, PA
Enrolled with Medicare as Practitioner - Dermatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Horn, MD is a Dermatology Physician provider in Hatboro, PA (NPI 1720016538).
Provider details
- NPI number
- 1720016538
- Entity type
- Individual
- Primary specialty
- Dermatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD029516E (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 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
3,270 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 .
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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 1,180 | $93 |
| Destruction of Precancer Skin Growth, 2-14 Growths17003 | 595 | $7 |
| Destruction of Skin Growth, 1-14 Growths17110 | 473 | $112 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 211 | $131 |
| Destruction of Precancer Skin Growth, 1 Growth17000 | 204 | $49 |
| Biopsy of Related Skin Growth, First Growth |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ketoconazole | 175 | 79 |
| Triamcinolone Acetonide | 96 | 75 |
| Clobetasol Propionate | 70 | 49 |
| Doxycycline Hyclate | 68 | 28 |
| Valacyclovir Hclbrand: Valacyclovir | 42 | 13 |
| Hydrocortisone | 38 | 16 |
| Ciclopirox Olaminebrand: Ciclopirox | 33 | 21 |
| Metronidazole |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$498 across 4 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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-29
- Last updated
- 2009-05-21
Frequently asked questions
- What is William Horn's NPI number?
- William Horn's National Provider Identifier (NPI) is 1720016538, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Horn's specialty?
- William Horn is listed in the NPPES registry with a primary specialty of Dermatology Physician (Allopathic & Osteopathic Physicians).
- Where is William Horn located?
- William Horn's practice location on file with NPPES is 331 N York Rd, Hatboro, PA 19040-2033.
- What is William Horn's phone number?
- The practice phone number listed in the NPPES registry for William Horn is (215) 672-5260.
- Does William Horn accept Medicare?
- William Horn is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Horn's NPI active?
- Yes — William Horn's NPI (1720016538) is active in the NPPES registry as of the last update on 2009-05-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.