DR. THOMAS WALLACH MD
NPI 1801162870
Pediatrics - Pediatric Gastroenterology in New York, NY
About Dr. Thomas Wallach Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. THOMAS WALLACH MD (NPI 1801162870) is an individual pediatric gastroenterology provider in New York, New York, licensed in New York (272557) and active in the NPI registry since March 2012. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Thomas Wallach Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Thomas Wallach reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Brooklyn, NY 11249
- Reassigned Medicare billing, New York enrollment
- 5 clinicians in this Medicare group
Brooklyn, NY 11203
- Reassigned Medicare billing, New York enrollment
- 291 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10032 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.
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 YORK, NY 10032
NEW YORK, NY 10032
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 Thomas Wallach's NPI number?
The NPI number for Thomas Wallach is 1801162870. It was assigned to this individual provider in the NPPES registry on March 23, 2012.
Where is Thomas Wallach located?
Thomas Wallach practices at 3959 Broadway, New York, NY 10032. The listed phone number is (202) 305-5437.
What is Thomas Wallach's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Gastroenterology, with taxonomy code 2080P0206X.
Is Thomas Wallach enrolled in Medicare?
Yes. Thomas Wallach is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Thomas Wallach's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Thomas Wallach reassigns Medicare benefits to 2 organizations: Bedford Medical Family Health Center, Inc. (Brooklyn, NY) and University Physicians Of Brooklyn, Inc (Brooklyn, NY). 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 Thomas Wallach'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 Thomas Wallach was last updated on March 27, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Dr. Thomas Wallach, MD · NPI 1801162870
Pediatric Gastroenterology physician in New York, New York. Individual provider, active in the CMS NPPES registry since March 23, 2012.
## Identity
- **NPI:** 1801162870 (Entity type: Individual)
- **Enumerated:** March 23, 2012
- **Primary specialty:** Pediatrics - Pediatric Gastroenterology · taxonomy 2080P0206X
- **State license:** 272557 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 3959 BROADWAY, New York, NY 10032-1559
- **Phone:** (202) 305-5437
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Bedford Medical Family Health Center, Inc. (NPI 1295928489, Brooklyn, NY); University Physicians Of Brooklyn, Inc (NPI 1104878180, Brooklyn, NY) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** March 27, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1801162870) · Data from the CMS NPPES public registry.