The Harold Leever Regional Cancer Center Inc
NPI 1891727657 · Radiation Oncology Clinic/Center · Waterbury, CT
Enrolled with Medicare as Part B Supplier - Independent Diagnostic Testing Facility (idtf) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
The Harold Leever Regional Cancer Center Inc is a Radiation Oncology Clinic/Center organization in Waterbury, CT (NPI 1891727657).
Provider details
- NPI number
- 1891727657
- Entity type
- Organization
- Primary specialty
- Radiation Oncology Clinic/CenterAmbulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- Thomas Belzek, Finance Director(203) 575-5563
- License
- 0377 (CT)
Specialties & taxonomies
Ambulatory Health Care Facilities
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 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
1,472 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) |
|---|---|---|
| Piflufolastat F-18, Diagnostic, 1 MillicurieA9595 | 774 | $644 |
| Nuclear Medicine Study From Skull Base to Mid-Thigh With Ct Scan78815 | 352 | $1,726 |
| Fluorodeoxyglucose F-18 Fdg, Diagnostic, Per Study Dose, Up to 45 MillicuriesA9552 | 288 | $308 |
| Nuclear Medicine Study Whole Body With Ct Scan78816 | 29 | $1,735 |
| Nuclear Medicine Study Limited Area With Ct Scan78814 | 15 | $1,729 |
| Flutemetamol F18, Diagnostic, Per Study Dose, Up to 5 MillicuriesQ9982 | 14 | $2,755 |
Typical Medicare-allowed amounts for these services range $308–$2,755 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-06
- Last updated
- 2012-09-20
Frequently asked questions
- What is The Harold Leever Regional Cancer Center Inc's NPI number?
- The Harold Leever Regional Cancer Center Inc's National Provider Identifier (NPI) is 1891727657, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is The Harold Leever Regional Cancer Center Inc?
- The Harold Leever Regional Cancer Center Inc is classified in the NPPES registry as Radiation Oncology Clinic/Center (Ambulatory Health Care Facilities).
- Where is The Harold Leever Regional Cancer Center Inc located?
- The Harold Leever Regional Cancer Center Inc's practice location on file with NPPES is 1075 Chase Pkwy, Waterbury, CT 06708-2948.
- What is The Harold Leever Regional Cancer Center Inc's phone number?
- The practice phone number listed in the NPPES registry for The Harold Leever Regional Cancer Center Inc is (203) 575-5555.
- Does The Harold Leever Regional Cancer Center Inc accept Medicare?
- The Harold Leever Regional Cancer Center Inc is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for The Harold Leever Regional Cancer Center Inc?
- The authorized official listed on The Harold Leever Regional Cancer Center Inc's NPPES record is Thomas Belzek, Finance Director. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is The Harold Leever Regional Cancer Center Inc's NPI active?
- Yes — The Harold Leever Regional Cancer Center Inc's NPI (1891727657) is active in the NPPES registry as of the last update on 2012-09-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.