DR. STEPHEN JOHN WINDSOR MD
NPI 1902885122
Internal Medicine - Hematology & Oncology in Little Silver, NJ
About Dr. Stephen John Windsor Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. STEPHEN JOHN WINDSOR MD (NPI 1902885122) is an individual hematology & oncology provider in Little Silver, New Jersey, licensed in New Jersey (25MA06740200) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS, is affiliated with Riverview Medical Center, and is a graduate of Other (1986).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Stephen John Windsor Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Stephen Windsor reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Red Bank, NJ 07701
- Reassigned Medicare billing, New Jersey enrollment
- 2,844 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 6
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Riverview Medical Center
Acute Care Hospitals · Red Bank, NJOcean Medical Center
Acute Care Hospitals · Brick, NJJersey Shore University Medical Center
Acute Care Hospitals · Neptune, NJMonmouth Medical Center
Acute Care Hospitals · Long Branch, NJBayshore Medical Center
Acute Care Hospitals · Holmdel, NJPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 07739 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Referred Medical Equipment & Supplies CMS DME claims 4
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 8
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LITTLE SILVER, NJ 07739
LITTLE SILVER, NJ 07739
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Stephen Windsor's NPI number?
The NPI number for Stephen Windsor is 1902885122. It was assigned to this individual provider in the NPPES registry on January 16, 2006.
Where is Stephen Windsor located?
Stephen Windsor practices at 39 Sycamore Ave, Little Silver, NJ 07739. The listed phone number is (732) 576-8610.
What is Stephen Windsor's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.
Is Stephen Windsor enrolled in Medicare?
Yes. Stephen Windsor is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Stephen Windsor's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Stephen Windsor reassigns Medicare benefits to Hackensack Meridian Health Medical Group - Specialty Care PC (Red Bank, NJ). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Stephen Windsor's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Stephen Windsor accept?
Health plans from Oscar Health list Stephen Windsor as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Stephen Windsor affiliated with any hospitals?
According to CMS data, Stephen Windsor is affiliated with Riverview Medical Center, Ocean Medical Center, Jersey Shore University Medical Center, Monmouth Medical Center and Bayshore Medical Center.
When was this NPI record last updated?
The NPPES record for Stephen Windsor was last updated on November 29, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. Stephen John Windsor, MD · NPI 1902885122
Hematology & Oncology physician in Little Silver, New Jersey. Individual provider, active in the CMS NPPES registry since January 16, 2006.
## Identity
- **NPI:** 1902885122 (Entity type: Individual)
- **Enumerated:** January 16, 2006
- **Primary specialty:** Internal Medicine - Hematology & Oncology · taxonomy 207RH0003X
- **State license:** 25MA06740200 (New Jersey)
- **Sole proprietor:** No
## Practice location
- **Address:** 39 SYCAMORE AVE, Little Silver, NJ 07739-1208
- **Phone:** (732) 576-8610 · **Fax:** (732) 576-8823
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Hackensack Meridian Health Medical Group - Specialty Care PC (NPI 1215989249, Red Bank, NJ), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1986
## Record status
- **NPPES last updated:** November 29, 2017
- **Other identifiers:** Medicaid 76296303 (NJ); Medicare PIN 017754QDZ (NJ); Medicare UPIN G84666 (NJ)
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Source: [NPI Profile](https://npiprofile.com/npi/1902885122) · Data from the CMS NPPES public registry.