ROBERT T SADOCK MD
NPI 1093798209
Internal Medicine in New Haven, CT
About Robert T Sadock Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ROBERT T SADOCK MD (NPI 1093798209) is an individual internal medicine provider in New Haven, Connecticut, licensed in Connecticut (022721) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
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)
Robert T Sadock Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Robert Sadock reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
New Haven, CT 06519
- Reassigned Medicare billing, Connecticut enrollment
- 468 clinicians in this Medicare group
Norway, ME 04268
- Reassigned Medicare billing, Connecticut enrollment
- 31 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 06510 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
NEW HAVEN, CT 06510
NEW HAVEN, CT 06510
NEW HAVEN, CT 06510
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 Robert Sadock's NPI number?
The NPI number for Robert Sadock is 1093798209. It was assigned to this individual provider in the NPPES registry on November 22, 2005.
Where is Robert Sadock located?
Robert Sadock practices at 20 York St, New Haven, CT 06510. The listed phone number is (203) 688-2471.
What is Robert Sadock's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Robert Sadock enrolled in Medicare?
Yes. Robert Sadock is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Robert Sadock's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Robert Sadock reassigns Medicare benefits to 2 organizations: Cornell Scott Hill Health Corporation (New Haven, CT) and American Current Care PA (Norway, ME). 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 Robert Sadock's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Robert Sadock accept?
Health plans from Anthem Blue Cross and Blue Shield list Robert Sadock 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 Robert Sadock was last updated on May 7, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.