Joshua Harris, M.D.
NPI 1649531815 · Hematology & Oncology Physician · Port Jefferson Station, NY
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joshua Harris, M.D. is a Hematology & Oncology Physician provider in Port Jefferson Station, NY (NPI 1649531815).
Provider details
- NPI number
- 1649531815
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 284654-1 (NY)
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
14 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
18,067 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) |
|---|---|---|
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 2,799 | $8 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 2,248 | $9 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 1,711 | $145 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 1,641 | $10 |
| Flow Cytometry Technique for Dna Or Cell Analysis, Each Additional Marker88185 | 1,334 | $28 |
| Phosphate Level84100 | 1,005 | $5 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 42 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Letrozole | 100 | 33 |
| Apixabanbrand: Eliquis | 91 | 33 |
| Lenalidomidebrand: Revlimid | 80 | 13 |
| Acyclovir | 73 | 15 |
| Rivaroxabanbrand: Xarelto | 71 | 20 |
| Hydroxyurea | 57 | 20 |
| Zanubrutinibbrand: Brukinsa | 56 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,761 across 5 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
- 2012-06-05
- Last updated
- 2021-07-29
- Certified
- 2021-07-29
Frequently asked questions
- What is Joshua Harris's NPI number?
- Joshua Harris's National Provider Identifier (NPI) is 1649531815, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joshua Harris's specialty?
- Joshua Harris is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Joshua Harris located?
- Joshua Harris's practice location on file with NPPES is 49 Nesconset Hwy, Port Jefferson Station, NY 11776-2628.
- What is Joshua Harris's phone number?
- The practice phone number listed in the NPPES registry for Joshua Harris is (631) 751-0000.
- Does Joshua Harris accept Medicare?
- Joshua Harris is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joshua Harris's NPI active?
- Yes — Joshua Harris's NPI (1649531815) is active in the NPPES registry as of the last update on 2021-07-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.