DR. STEVEN ROBERT NISSENBAUM DC
NPI 1780643965
Chiropractor in Richmond Hill, NY
About Dr. Steven Robert Nissenbaum Dc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. STEVEN ROBERT NISSENBAUM DC (NPI 1780643965) is an individual chiropractor in Richmond Hill, New York, licensed in New York (X2059) and active in the NPI registry since March 2006.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Steven Robert Nissenbaum Dc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Steven Nissenbaum reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Richmond Hill, NY 11418
- Reassigned Medicare billing, New York enrollment
- 4 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.
Other Providers at the Same Location NPPES 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Steven Nissenbaum's NPI number?
The NPI number for Steven Nissenbaum is 1780643965. It was assigned to this individual provider in the NPPES registry on March 17, 2006.
Where is Steven Nissenbaum located?
Steven Nissenbaum practices at 105-09 Jamaica Ave Ste A, Richmond Hill, NY 11418. The listed phone number is (718) 441-9390.
What is Steven Nissenbaum's specialty?
The primary specialty registered for this NPI is Chiropractor with taxonomy code 111N00000X.
Is Steven Nissenbaum enrolled in Medicare?
Yes. Steven Nissenbaum is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Steven Nissenbaum's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Steven Nissenbaum reassigns Medicare benefits to Chiropractic Associates Of Richmond Hill PC (Richmond Hill, 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 Steven Nissenbaum'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 Steven Nissenbaum was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Dr. Steven Robert Nissenbaum, DC · NPI 1780643965
Chiropractor provider in Richmond Hill, New York. Individual provider, active in the CMS NPPES registry since March 17, 2006.
## Identity
- **NPI:** 1780643965 (Entity type: Individual)
- **Enumerated:** March 17, 2006
- **Primary specialty:** Chiropractor · taxonomy 111N00000X
- **State license:** X2059 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 105-09 JAMAICA AVE, STE A, Richmond Hill, NY 11418
- **Phone:** (718) 441-9390 · **Fax:** (718) 441-1061
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Bills Medicare through:** Chiropractic Associates Of Richmond Hill PC (NPI 1942338579, Richmond Hill, NY), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** July 13, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1780643965) · Data from the CMS NPPES public registry.