GARY TATZ MD
NPI 1386645125
Pediatrics - Pediatric Critical Care Medicine in Valhalla, NY
About Gary Tatz Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GARY TATZ MD (NPI 1386645125) is an individual pediatric critical care medicine provider in Valhalla, New York, licensed in New York (220542) and active in the NPI registry since August 2005. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Gary Tatz Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
4Medicare enrollment records show Gary Tatz reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Hawthorne, NY 10532
- Reassigned Medicare billing, New York enrollment
- 511 clinicians in this Medicare group
Great Neck, NY 11021
- Reassigned Medicare billing, New York enrollment
- 9,353 clinicians in this Medicare group
New York, NY 10075
- Reassigned Medicare billing, New York enrollment
- 530 clinicians in this Medicare group
Big Lake, MN 55309
- Reassigned Medicare billing, Minnesota enrollment
- 1,051 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
VALHALLA, NY 10595
VALHALLA, NY 10595
VALHALLA, NY 10595
VALHALLA, NY 10595
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 Gary Tatz's NPI number?
The NPI number for Gary Tatz is 1386645125. It was assigned to this individual provider in the NPPES registry on August 2, 2005.
Where is Gary Tatz located?
Gary Tatz practices at 95 Grasslands Rd, Valhalla, NY 10595. The listed phone number is (914) 493-7513.
What is Gary Tatz's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Critical Care Medicine, with taxonomy code 2080P0203X.
Is Gary Tatz enrolled in Medicare?
Yes. Gary Tatz is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Gary Tatz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gary Tatz reassigns Medicare benefits to 4 organizations: Boston Children's Health Physicians, LLP (Hawthorne, NY), North Shore-Lij Medical PC (Great Neck, NY), Physicians Of University Hospital, PC (New York, NY) and Centracare Clinic (Big Lake, MN). 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 Gary Tatz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Gary Tatz accept?
Health plans from Sanford Health Plan list Gary Tatz as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Gary Tatz was last updated on January 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.