John Conti, MD
NPI 1811973084 · Hematology & Oncology Physician · Belleville, NJ
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Conti, MD is a Hematology & Oncology Physician provider in Belleville, NJ (NPI 1811973084).
Provider details
- NPI number
- 1811973084
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 25MA05012600 (NJ)
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
4,984 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) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 1,394 | $9 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 1,371 | $8 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 782 | $100 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 315 | $63 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 312 | $141 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes |
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 |
|---|---|---|
| Letrozole | 75 | 29 |
| Hydroxyurea | 36 | 11 |
| Anastrozole | 23 | — |
| Acalabrutinib Maleatebrand: Calquence | 22 | — |
| Exemestane | 17 | — |
| Denosumabbrand: Xgeva | 16 | — |
| Zanubrutinibbrand: Brukinsa | 14 | — |
| Fulvestrant | 14 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$866 across 46 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
- 2005-12-20
- Last updated
- 2020-02-28
- Certified
- 2020-02-28
Frequently asked questions
- What is John Conti's NPI number?
- John Conti's National Provider Identifier (NPI) is 1811973084, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Conti's specialty?
- John Conti is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is John Conti located?
- John Conti's practice location on file with NPPES is 1 Clara Maass Dr Ste 200, Belleville, NJ 07109-3550.
- What is John Conti's phone number?
- The practice phone number listed in the NPPES registry for John Conti is (973) 751-8880.
- Does John Conti accept Medicare?
- John Conti is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Conti's NPI active?
- Yes — John Conti's NPI (1811973084) is active in the NPPES registry as of the last update on 2020-02-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.