Vernon Casterline, M.D.
NPI 1104887223 · Dermatology Physician · Greenfield, WI
Enrolled with Medicare as Practitioner - Dermatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Vernon Casterline, M.D. is a Dermatology Physician provider in Greenfield, WI (NPI 1104887223).
Provider details
- NPI number
- 1104887223
- Entity type
- Individual
- Primary specialty
- Dermatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 25757-020 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
- Pediatric Dermatology Physician207NP0225X
Profile Score
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
1,616 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) |
|---|---|---|
| Destruction of Precancer Skin Growth, 2-14 Growths17003 | 646 | $6 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 324 | $80 |
| Destruction of Precancer Skin Growth, 1 Growth17000 | 195 | $44 |
| Destruction of Skin Growth, 1-14 Growths17110 | 174 | $100 |
| Destruction of Skin Growth, 15 Or More Growths17111 | 131 | $116 |
| Biopsy of Related Skin Growth, First Growth11102 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Doxycycline Hyclate | 140 | 41 |
| Fluconazole | 80 | 32 |
| Metronidazole | 67 | 30 |
| Triamcinolone Acetonide | 65 | 37 |
| Clobetasol Propionate | 43 | 28 |
| Doxycycline Monohydrate | 36 | — |
| Hydrocortisone | 34 | 18 |
| Fluticasone Propionate | 32 | 22 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,129 across 71 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
- 2006-03-29
- Last updated
- 2011-04-18
Frequently asked questions
- What is Vernon Casterline's NPI number?
- Vernon Casterline's National Provider Identifier (NPI) is 1104887223, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Vernon Casterline's specialty?
- Vernon Casterline is listed in the NPPES registry with a primary specialty of Dermatology Physician (Allopathic & Osteopathic Physicians).
- Where is Vernon Casterline located?
- Vernon Casterline's practice location on file with NPPES is 2923 W Layton Ave, Greenfield, WI 53221-2626.
- What is Vernon Casterline's phone number?
- The practice phone number listed in the NPPES registry for Vernon Casterline is (414) 281-0712.
- Does Vernon Casterline accept Medicare?
- Vernon Casterline is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Vernon Casterline's NPI active?
- Yes — Vernon Casterline's NPI (1104887223) is active in the NPPES registry as of the last update on 2011-04-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.