HENRY HERMAN JANSSEN JR. M.D.
NPI 1053371765
Radiology - Diagnostic Radiology in Mount Kisco, NY
About Henry Herman Janssen Jr. M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HENRY HERMAN JANSSEN JR. M.D. (NPI 1053371765) is an individual diagnostic radiology provider in Mount Kisco, New York, licensed in Connecticut (037751) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS and is a graduate of University Of Florida College Of Medicine (1994).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 10
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
Henry Herman Janssen Jr. M.d. 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 Reassignments
2Medicare enrollment records show Henry Janssen reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Mount Kisco, NY 10549
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Optum Medical Care PC
- 1,601 clinicians in this Medicare group
Lindenhurst, NY 11757
- Reassigned Medicare billing, Connecticut and New York enrollments
- 6 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 60
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10549 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MOUNT KISCO, NY 10549
MOUNT KISCO, NY 10549
MOUNT KISCO, NY 10549
MOUNT KISCO, NY 10549
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 Henry Janssen's NPI number?
The NPI number for Henry Janssen is 1053371765. It was assigned to this individual provider in the NPPES registry on March 25, 2006.
Where is Henry Janssen located?
Henry Janssen practices at 90 S Bedford Rd, Mount Kisco, NY 10549. The listed phone number is (914) 241-1050.
What is Henry Janssen's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Henry Janssen enrolled in Medicare?
Yes. Henry Janssen 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 organizations bill Medicare for Henry Janssen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Henry Janssen reassigns Medicare benefits to 2 organizations: Optum Medical Care, P.C. (Mount Kisco, NY) and Zwanger & Pesiri Radiology Group, LLP (Lindenhurst, NY). Each 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 Henry Janssen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Henry Janssen was last updated on December 13, 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.