Thaddeus O'Neill, MD
NPI 1699714873 · Plastic Surgery Physician · Sheboygan, WI
Enrolled with Medicare as Practitioner - Plastic and Reconstructive Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thaddeus O'Neill, MD is a Plastic Surgery Physician provider in Sheboygan, WI (NPI 1699714873).
Provider details
- NPI number
- 1699714873
- Entity type
- Individual
- Primary specialty
- Plastic Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 48986 (WI)
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
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
4,453 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 | 1,554 | $6 |
| Destruction of Precancer Skin Growth, 1 Growth17000 | 588 | $49 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 585 | $53 |
| Biopsy of Related Skin Growth, First Growth11102 | 510 | $91 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 339 | $86 |
| Biopsy of Related Skin Growth, Each Additional Growth |
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 |
|---|---|---|
| Fluorouracil | 84 | 78 |
| Doxycycline Hyclate | 38 | 34 |
| Ciprofloxacin Hcl | 24 | 19 |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 21 | 18 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 20 | 20 |
| Clotrimazole/Betamethasone Dipbrand: Clotrimazole-Betamethasone | 15 | 13 |
| Ketoconazole |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$221 across 2 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
- 2006-06-05
- Last updated
- 2023-03-07
Frequently asked questions
- What is Thaddeus O'Neill's NPI number?
- Thaddeus O'Neill's National Provider Identifier (NPI) is 1699714873, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thaddeus O'Neill's specialty?
- Thaddeus O'Neill is listed in the NPPES registry with a primary specialty of Plastic Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Thaddeus O'Neill located?
- Thaddeus O'Neill's practice location on file with NPPES is 2414 Kohler Memorial Dr, Sheboygan, WI 53081-3129.
- What is Thaddeus O'Neill's phone number?
- The practice phone number listed in the NPPES registry for Thaddeus O'Neill is (920) 457-4461.
- Does Thaddeus O'Neill accept Medicare?
- Thaddeus O'Neill is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thaddeus O'Neill's NPI active?
- Yes — Thaddeus O'Neill's NPI (1699714873) is active in the NPPES registry as of the last update on 2023-03-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.