David Cowan, MD
NPI 1487795993 · Dermatology Physician · Butler, PA
Enrolled with Medicare as Practitioner - Dermatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Provider details
- NPI number
- 1487795993
- Entity type
- Individual
- Primary specialty
- Dermatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD037215 (DC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
947 Medicare services, 2024 (ranked within specialty)
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) |
|---|---|---|
| Removal and Microscopic Exam of Growth of Head, Neck, Hands, Feet, Or Genitals, 1-5 Tissue Blocks17311 | 320 | $254 |
| Removal and Microscopic Exam of Growth of Head, Neck, Hands, Feet, Or Genitals, Each Additional Stage, 1-5 Tissue Blocks17312 | 167 | $176 |
| Intermediate Repair of Wound of Scalp, Underarms, Trunk, Arms, Or Legs, 2.6-7.5 Cm12032 | 63 | $100 |
| Intermediate Repair of Wound of Face, Ears, Eyelids, Nose, Lips, Or Mouth, 2.6-5.0 Cm12052 | 63 | $97 |
| Removal and Microscopic Exam of Growth of Trunk, Arms, Or Legs, 1-5 Tissue Blocks17313 | 42 | $235 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Cephalexin | 823 | 703 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 214 | 202 |
| Doxycycline Hyclate | 202 | 169 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 60 | 56 |
| Gentamicin Sulfate | 42 | 34 |
| Ketoconazole | 14 | — |
| Tramadol Hcl | 12 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-02-08
- Last updated
- 2014-07-22
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.