John Inzerillo, M.D.
NPI 1164404422 · Hematology & Oncology Physician · Washington, NC
Enrolled with Medicare as Practitioner - Hematology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Inzerillo, M.D. is a Hematology & Oncology Physician provider in Washington, NC (NPI 1164404422).
Provider details
- NPI number
- 1164404422
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 9300159 (NC)
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
860 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 349 | $95 |
| Enhancing Oncology Model (eom) Monthly Enhanced Oncology Services (meos) Payment for Eom Enhanced ServicesM0010 | 227 | $76 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 196 | $142 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 43 | $174 |
| Enhancing Oncology Model (eom) Monthly Enhanced Oncology Services (meos) Payment for Eom Enhanced ServicesM0010 | 27 | $75 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 78 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Potassium Chloride | 275 | 101 |
| Anastrozole | 166 | 49 |
| Oxycodone Hcl | 113 | 23 |
| Dexamethasone | 108 | 40 |
| Lenalidomidebrand: Revlimid | 93 | 15 |
| Levothyroxine Sodium | 88 | 23 |
| Prochlorperazine Maleate | 87 | 46 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$250 across 10 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
- 2005-11-14
- Last updated
- 2010-08-09
Frequently asked questions
- What is John Inzerillo's NPI number?
- John Inzerillo's National Provider Identifier (NPI) is 1164404422, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Inzerillo's specialty?
- John Inzerillo is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is John Inzerillo located?
- John Inzerillo's practice location on file with NPPES is 1209 Brown St, Washington, NC 27889-4671.
- What is John Inzerillo's phone number?
- The practice phone number listed in the NPPES registry for John Inzerillo is (252) 975-4308.
- Does John Inzerillo accept Medicare?
- John Inzerillo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Inzerillo's NPI active?
- Yes — John Inzerillo's NPI (1164404422) is active in the NPPES registry as of the last update on 2010-08-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.