Stephen Windsor, MD
NPI 1902885122 · Hematology & Oncology Physician · Little Silver, NJ
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephen Windsor, MD is a Hematology & Oncology Physician provider in Little Silver, NJ (NPI 1902885122).
Provider details
- NPI number
- 1902885122
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 25MA06740200 (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
1,055 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 | 605 | $98 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 315 | $137 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 47 | $236 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 38 | $182 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 37 | $82 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 23 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Anastrozole | 61 | 16 |
| Letrozole | 53 | 11 |
| Apixabanbrand: Eliquis | 40 | 11 |
| Rivaroxabanbrand: Xarelto | 38 | — |
| Hydroxyurea | 36 | — |
| Gabapentin | 34 | — |
| Tamoxifen Citrate | 31 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$573 across 36 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
- 2006-01-16
- Last updated
- 2017-11-29
Frequently asked questions
- What is Stephen Windsor's NPI number?
- Stephen Windsor's National Provider Identifier (NPI) is 1902885122, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Windsor's specialty?
- Stephen Windsor is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Stephen Windsor located?
- Stephen Windsor's practice location on file with NPPES is 39 Sycamore Ave, Little Silver, NJ 07739-1208.
- What is Stephen Windsor's phone number?
- The practice phone number listed in the NPPES registry for Stephen Windsor is (732) 576-8610.
- Does Stephen Windsor accept Medicare?
- Stephen Windsor is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephen Windsor's NPI active?
- Yes — Stephen Windsor's NPI (1902885122) is active in the NPPES registry as of the last update on 2017-11-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.