ROBERT S WARREN MD
NPI 1336181270
Family Medicine - Hospice and Palliative Medicine in Danvers, MA
About Robert S Warren Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ROBERT S WARREN MD (NPI 1336181270) is an individual hospice and palliative medicine provider in Danvers, Massachusetts, licensed in Massachusetts (161223) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 3
Other Identifiers 13
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 S Warren Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Robert Warren reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Peabody, MA 01960
- Reassigned Medicare billing, Massachusetts enrollment
- Also billed through NPI 1538194980 (Massachusetts)
- 1,841 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 01923 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.
DANVERS, MA 01923
DANVERS, MA 01923
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 Warren's NPI number?
The NPI number for Robert Warren is 1336181270. It was assigned to this individual provider in the NPPES registry on June 12, 2006.
Where is Robert Warren located?
Robert Warren practices at 75 Sylvan St Suite B-102, Danvers, MA 01923. The listed phone number is (978) 774-7566.
What is Robert Warren's specialty?
The primary specialty registered for this NPI is Family Medicine, specializing in Hospice and Palliative Medicine, with taxonomy code 207QH0002X.
Is Robert Warren enrolled in Medicare?
Yes. Robert Warren is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Robert Warren's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Robert Warren reassigns Medicare benefits to Lahey Clinic, Inc (Peabody, MA). 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 Robert Warren's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Robert Warren accept?
Health plans from Anthem Blue Cross and Blue Shield and Taro Health list Robert Warren 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 Warren was last updated on October 12, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.