DR. ELLIOT NEIL DEHAAN MD
NPI 1629270459
Internal Medicine - Infectious Disease in Pearl River, NY
About Dr. Elliot Neil Dehaan Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ELLIOT NEIL DEHAAN MD (NPI 1629270459) is an individual infectious disease provider in Pearl River, New York, licensed in New York (247859) and active in the NPI registry since June 2007. He is enrolled in Medicare PECOS and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Elliot Neil Dehaan Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Elliot Dehaan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
White Plains, NY 10605
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Weill Medical College Of Cornell
- 980 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10965 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 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
PEARL RIVER, NY 10965
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 Elliot Dehaan's NPI number?
The NPI number for Elliot Dehaan is 1629270459. It was assigned to this individual provider in the NPPES registry on June 4, 2007.
Where is Elliot Dehaan located?
Elliot Dehaan practices at 401 N Middletown Rd Attn: Dr. Elliot Dehaan, Building 190/Floor 4, Pearl River, NY 10965. The listed phone number is (646) 285-5372.
What is Elliot Dehaan's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.
Is Elliot Dehaan enrolled in Medicare?
Yes. Elliot Dehaan is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Elliot Dehaan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Elliot Dehaan reassigns Medicare benefits to Weill Medical College Of Cornell Univ. (White Plains, NY). 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 Elliot Dehaan'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 Elliot Dehaan was last updated on July 21, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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. Elliot Neil Dehaan, MD · NPI 1629270459
Infectious Disease physician in Pearl River, New York. Individual provider, active in the CMS NPPES registry since June 4, 2007.
## Identity
- **NPI:** 1629270459 (Entity type: Individual)
- **Enumerated:** June 4, 2007
- **Primary specialty:** Internal Medicine - Infectious Disease · taxonomy 207RI0200X
- **State license:** 247859 (New York)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 401 N MIDDLETOWN RD, ATTN: DR. ELLIOT DEHAAN, BUILDING 190/FLOOR 4, Pearl River, NY 10965
- **Phone:** (646) 285-5372
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Weill Medical College Of Cornell Univ. (NPI 1427165489, White Plains, NY), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** July 21, 2022
- **Other identifiers:** Medicaid 00695941 (NY)
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Source: [NPI Profile](https://npiprofile.com/npi/1629270459) · Data from the CMS NPPES public registry.