DR. MARK AARON SCHWARTZ MD
NPI 1881668192
Surgery - Vascular Surgery in New Hyde Park, NY
About Dr. Mark Aaron Schwartz Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARK AARON SCHWARTZ MD (NPI 1881668192) is an individual vascular surgery provider in New Hyde Park, New York, licensed in New York (184606) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS and is a graduate of University Of South Florida College Of Medicine (1989).
NPPES Registry Identity
Specialties & Licenses 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 and accepts Medicare assignment
Dr. Mark Aaron Schwartz Md 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 Mark Schwartz reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
New Hyde Park, NY 11042
- 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.
Areas of Expertise CMS Part B claims 8
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 11042 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare 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.
Reported Quality Measures
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.
NEW HYDE PARK, NY 11042
NEW HYDE PARK, NY 11042
NEW HYDE PARK, NY 11042
NEW HYDE PARK, NY 11042
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 Mark Schwartz's NPI number?
The NPI number for Mark Schwartz is 1881668192. It was assigned to this individual provider in the NPPES registry on February 14, 2006.
Where is Mark Schwartz located?
Mark Schwartz practices at 1 Hollow Ln Suite 210, New Hyde Park, NY 11042. The listed phone number is (516) 869-8346.
What is Mark Schwartz's specialty?
The primary specialty registered for this NPI is Surgery, specializing in Vascular Surgery, with taxonomy code 2086S0129X.
Is Mark Schwartz enrolled in Medicare?
Yes. Mark Schwartz 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 Mark Schwartz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Schwartz reassigns Medicare benefits to North Shore Vein PC (New Hyde Park, 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 Mark Schwartz'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 Mark Schwartz was last updated on March 19, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.