Kathryn O'Reilly, MD, PHD
NPI 1033370408 · MOHS-Micrographic Surgery Physician · Lewes, DE
Enrolled with Medicare as Practitioner - Dermatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kathryn O'Reilly, MD, PHD is a MOHS-Micrographic Surgery Physician provider in Lewes, DE (NPI 1033370408).
Provider details
- NPI number
- 1033370408
- Entity type
- Individual
- Primary specialty
- MOHS-Micrographic Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD, PHD
- Sex
- Female
- Sole proprietor
- No
- License
- C1-0010044 (DE)
Specialties & taxonomies
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 tenure25% of score
18 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
29,596 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 | 6,355 | $7 |
| Ultrasonic Guidance for Placement of Radiation Therapy FieldsG6001 | 3,802 | $181 |
| Superficial And/Or Low Voltage Radiation Treatment Delivery77401 | 3,487 | $42 |
| Obtaining Data Needed to Develop the Optimal Radiation Treatment, 1 Treatment Area77280 | 2,763 | $271 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 2,662 | $92 |
| Destruction of Precancer Skin Growth, 1 Growth17000 | 1,892 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ketoconazole | 73 | 38 |
| Clobetasol Propionate | 61 | 39 |
| Triamcinolone Acetonide | 42 | 29 |
| Hydrocortisone | 35 | 21 |
| Metronidazole | 35 | 22 |
| Fluorouracil | 33 | 29 |
| Mupirocin | 29 | 23 |
| Apremilastbrand: Otezla | 23 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$117 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
- 2008-06-18
- Last updated
- 2020-08-12
- Certified
- 2020-08-12
Frequently asked questions
- What is Kathryn O'Reilly's NPI number?
- Kathryn O'Reilly's National Provider Identifier (NPI) is 1033370408, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kathryn O'Reilly's specialty?
- Kathryn O'Reilly is listed in the NPPES registry with a primary specialty of MOHS-Micrographic Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Kathryn O'Reilly located?
- Kathryn O'Reilly's practice location on file with NPPES is 750 Kings Hwy, Lewes, DE 19958-1772.
- What is Kathryn O'Reilly's phone number?
- The practice phone number listed in the NPPES registry for Kathryn O'Reilly is (302) 644-6400.
- Does Kathryn O'Reilly accept Medicare?
- Kathryn O'Reilly is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kathryn O'Reilly's NPI active?
- Yes — Kathryn O'Reilly's NPI (1033370408) is active in the NPPES registry as of the last update on 2020-08-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.