WENTWORTH DOUGLASS HOSPITAL
NPI 1477038461
Clinic/Center - Oncology in Portsmouth, NH
About Wentworth Douglass Hospital NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WENTWORTH DOUGLASS HOSPITAL (NPI 1477038461) is a healthcare organization registered as an oncology in Portsmouth, New Hampshire and active in the NPI registry since September 2018. The organization lists Joel Degenaars, Executive Director Of Finance, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, revalidation and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Wentworth Douglass Hospital is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Revalidation Due Date
Revalidation due by March 31, 2027
Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.
Clinicians Billing Medicare Through This Organization
3Medicare enrollment records show 3 clinicians reassign Medicare billing to Wentworth Douglass Hospital, which bills Medicare for the services they deliver. Of these, 2 practice within 10 miles. They are listed nearest first.
Clinicians, nearest first (3)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 Wentworth Douglass Hospital's NPI number?
The NPI number for Wentworth Douglass Hospital is 1477038461. It was assigned to this organization in the NPPES registry on September 26, 2018.
Where is Wentworth Douglass Hospital located?
Wentworth Douglass Hospital is located at 121 Corporate Dr Bldg A, Portsmouth, NH 03801. The listed phone number is (603) 742-8787.
What is Wentworth Douglass Hospital's specialty?
The primary specialty registered for this NPI is Clinic/Center, specializing in Oncology, with taxonomy code 261QX0200X.
Is Wentworth Douglass Hospital enrolled in Medicare?
Yes. Wentworth Douglass Hospital is registered in the Medicare PECOS enrollment system.
When is Wentworth Douglass Hospital's Medicare revalidation due?
According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (New Hampshire, Clinic/Group Practice) is due for revalidation by March 31, 2027. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.
How many clinicians bill Medicare through Wentworth Douglass Hospital?
According to the CMS Revalidation Reassignment List (October 2026 release), 3 clinicians reassign their Medicare billing to Wentworth Douglass Hospital, in Clinical Social Worker, Hematology/Oncology and Registered Dietitian or Nutrition Professional. A 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 the clinician's services. Of these, 2 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
What insurance does Wentworth Douglass Hospital accept?
Health plans from Anthem Blue Cross and Blue Shield list Wentworth Douglass Hospital 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.
When was this NPI record last updated?
The NPPES record for Wentworth Douglass Hospital was last updated on December 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months 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.
# Wentworth Douglass Hospital · NPI 1477038461
Oncology organization in Portsmouth, New Hampshire. Organization record, active in the CMS NPPES registry since September 26, 2018.
## Identity
- **NPI:** 1477038461 (Entity type: Organization)
- **Enumerated:** September 26, 2018
- **Primary specialty:** Clinic/Center - Oncology · taxonomy 261QX0200X
- **Organization subpart:** No
- **Authorized official:** Joel Degenaars, EXECUTIVE DIRECTOR OF FINANCE
## Practice location
- **Address:** 121 CORPORATE DR BLDG A, Portsmouth, NH 03801-6895
- **Phone:** (603) 742-8787
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Medicare revalidation due:** March 31, 2027 (Non-DME Part B, New Hampshire, Clinic/Group Practice) · CMS Revalidation Due Date List, October 2026 release
- **Clinicians billing through this organization:** 3 clinicians in 3 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Clinical Social Worker (1), Hematology/Oncology (1), Registered Dietitian or Nutrition Professional (1); 2 practice within 10 miles · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** December 17, 2025
- **Other identifiers:** Medicaid 3074430 (NH)
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Source: [NPI Profile](https://npiprofile.com/npi/1477038461) · Data from the CMS NPPES public registry.