DR. STEPHEN KLEIN M.D.
NPI 1316158397
Physical Medicine & Rehabilitation in Bayside, NY
About Dr. Stephen Klein M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. STEPHEN KLEIN M.D. (NPI 1316158397) is an individual physical medicine & rehabilitation provider in Bayside, New York, licensed in New York (156137) and active in the NPI registry since May 2007. He is enrolled in Medicare PECOS and is a graduate of Other (1977).
NPPES Registry Identity
Specialties & Licenses 5
Other Identifiers 3
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 Klein 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 Reassignment
Medicare enrollment records show Stephen Klein reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Bayside, NY 11361
- Reassigned Medicare billing, New York enrollment
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 Stephen Klein's NPI number?
The NPI number for Stephen Klein is 1316158397. It was assigned to this individual provider in the NPPES registry on May 24, 2007.
Where is Stephen Klein located?
Stephen Klein practices at 213-33 39th Ave. Suite 240, Bayside, NY 11361. The listed phone number is (212) 673-6083.
What is Stephen Klein's specialty?
The primary specialty registered for this NPI is Physical Medicine & Rehabilitation with taxonomy code 208100000X.
Is Stephen Klein enrolled in Medicare?
Yes. Stephen Klein 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 Klein's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Stephen Klein reassigns Medicare benefits to S. Klein MD LLC (Bayside, 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 Stephen Klein'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 Stephen Klein was last updated on October 26, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.