Paul Oneill, M.D.
NPI 1548262611 · Hematology & Oncology Physician · Mchenry, IL
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Paul Oneill, M.D. is a Hematology & Oncology Physician provider in Mchenry, IL (NPI 1548262611).
Provider details
- NPI number
- 1548262611
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 22764 (AZ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Other Service Providers
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
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
4 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
502 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 | 160 | $63 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 141 | $93 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 61 | $128 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 41 | $34 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 39 | $174 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Anastrozole | 88 | 31 |
| Ondansetron Hcl | 46 | 30 |
| Acyclovir | 38 | — |
| Dexamethasone | 38 | 23 |
| Prochlorperazine Maleate | 36 | 28 |
| Apixabanbrand: Eliquis | 30 | — |
| Letrozole | 22 | 12 |
| Levothyroxine Sodium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$147 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
Additional practice locations (3)
- 1713 S Kofa Ave Ste aParker, AZ 85344-6401Phone: (928) 669-7380Fax: (928) 575-1052
- 8415 N Pima Rd Ste 165Scottsdale, AZ 85258-4486Phone: (480) 223-9805Fax: (480) 270-6020
- 700 W Ironwood Dr Ste 130Coeur D Alene, ID 83814-4404Phone: (208) 625-4700
Registry dates
- Enumerated
- 2005-08-10
- Last updated
- 2025-07-28
- Certified
- 2025-07-28
Frequently asked questions
- What is Paul Oneill's NPI number?
- Paul Oneill's National Provider Identifier (NPI) is 1548262611, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Paul Oneill's specialty?
- Paul Oneill is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Paul Oneill located?
- Paul Oneill's practice location on file with NPPES is 4305 W Medical Center Dr Ste 1, Mchenry, IL 60050-8425.
- What is Paul Oneill's phone number?
- The practice phone number listed in the NPPES registry for Paul Oneill is (815) 759-8100.
- Does Paul Oneill accept Medicare?
- Paul Oneill is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Paul Oneill's NPI active?
- Yes — Paul Oneill's NPI (1548262611) is active in the NPPES registry as of the last update on 2025-07-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.