DR. STEPHEN KOTTMEIER M.D.
NPI 1235170887
Orthopaedic Surgery - Sports Medicine in East Setauket, NY
About Dr. Stephen Kottmeier M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. STEPHEN KOTTMEIER M.D. (NPI 1235170887) is an individual sports medicine provider in East Setauket, New York, licensed in New York (166959) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with St Charles Hospital, and is a graduate of State University Of New York Downstate Medical Center (1984).
NPPES Registry Identity
Specialties & Licenses
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 Kottmeier 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 Kottmeier reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Stony Brook, NY 11794
- Reassigned Medicare billing, New York enrollment
- 32 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 11
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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
St Charles Hospital
Acute Care Hospitals · Port Jefferson, NYSuny/Stony Brook University Hospital
Acute Care Hospitals · Stony Brook, NYMedicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
EAST SETAUKET, NY 11733
EAST SETAUKET, NY 11733
EAST SETAUKET, NY 11733
EAST SETAUKET, NY 11733
EAST SETAUKET, NY 11733
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 Kottmeier's NPI number?
The NPI number for Stephen Kottmeier is 1235170887. It was assigned to this individual provider in the NPPES registry on June 8, 2006.
Where is Stephen Kottmeier located?
Stephen Kottmeier practices at 14 Technology Dr, East Setauket, NY 11733. The listed phone number is (631) 444-4233.
What is Stephen Kottmeier's specialty?
The primary specialty registered for this NPI is Orthopaedic Surgery, specializing in Sports Medicine, with taxonomy code 207XX0005X.
Is Stephen Kottmeier enrolled in Medicare?
Yes. Stephen Kottmeier 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 Kottmeier's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Stephen Kottmeier reassigns Medicare benefits to Stony Brook Orthopaedic Associates, University Faculty Practice Corpor (Stony Brook, 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 Kottmeier's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Stephen Kottmeier affiliated with any hospitals?
According to CMS data, Stephen Kottmeier is affiliated with St Charles Hospital and Suny/Stony Brook University Hospital.
When was this NPI record last updated?
The NPPES record for Stephen Kottmeier 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.