DR. ALEXANDER JOACHIM SLOTWINER M.D.
NPI 1831309517
Internal Medicine - Interventional Cardiology in New York, NY
About Dr. Alexander Joachim Slotwiner M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ALEXANDER JOACHIM SLOTWINER M.D. (NPI 1831309517) is an individual interventional cardiology provider in New York, New York, licensed in New York (228032) and active in the NPI registry since May 2007. He is enrolled in Medicare PECOS, is affiliated with Nyu Langone Hospitals, and maintains a secondary practice location in New York.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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. Alexander Joachim Slotwiner 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
6Medicare enrollment records show Alexander Slotwiner reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
New York, NY 10016
- Reassigned Medicare billing, New York enrollment
- 616 clinicians in this Medicare group
New York, NY 10021
- Reassigned Medicare billing, New York enrollment
- Also billed through NPI 1336510643 (New York)
- 271 clinicians in this Medicare group
Louisburg, NC 27549
- Reassigned Medicare billing, North Carolina enrollment
- Medicare enrollment name: Novant Health Medical Group, LLC
- 2,998 clinicians in this Medicare group
Salisbury, NC 28144
- Reassigned Medicare billing, North Carolina enrollment
- Medicare enrollment name: Novant Health Rowan Medical Center LLC
- 686 clinicians in this Medicare group
Charlotte, NC 28215
- Reassigned Medicare billing, North Carolina enrollment
- 703 clinicians in this Medicare group
Boynton Beach, FL 33426
- Reassigned Medicare billing, New York enrollment
- 7,712 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 17
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Nyu Langone Hospitals
Acute Care Hospitals · New York, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10006 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 14
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
NEW YORK, NY 10006
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 Alexander Slotwiner's NPI number?
The NPI number for Alexander Slotwiner is 1831309517. It was assigned to this individual provider in the NPPES registry on May 23, 2007.
Where is Alexander Slotwiner located?
Alexander Slotwiner practices at 111 Broadway Fl 2, New York, NY 10006. The listed phone number is (212) 263-9700.
What is Alexander Slotwiner's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Interventional Cardiology, with taxonomy code 207RI0011X.
Is Alexander Slotwiner enrolled in Medicare?
Yes. Alexander Slotwiner 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 Alexander Slotwiner's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alexander Slotwiner reassigns Medicare benefits to 6 organizations: Nyu Langone Hospitals (New York, NY), Weill Medical College Of Cornell (New York, NY), Novant Medical Group Inc (Louisburg, NC), Rowan Regional Medical Center (Salisbury, NC), Novant Health Mint Hill Medical Center, LLC (Charlotte, NC) and 1 more organization, listed in the Medicare section above. 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 Alexander Slotwiner's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Alexander Slotwiner affiliated with any hospitals?
According to CMS data, Alexander Slotwiner is affiliated with Nyu Langone Hospitals.
When was this NPI record last updated?
The NPPES record for Alexander Slotwiner was last updated on April 2, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.