WILLIAM LAWRENCE ROBERTS MD, MSC
NPI 1093392862
Internal Medicine in New Haven, CT
About William Lawrence Roberts Md, Msc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM LAWRENCE ROBERTS MD, MSC (NPI 1093392862) is an individual internal medicine provider in New Haven, Connecticut, licensed in Connecticut (78899) and active in the NPI registry since March 2021. He is enrolled in Medicare PECOS and is a graduate of Hofstra North Shore - Lij School Of Medicine (2021).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
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
William Lawrence Roberts Md, Msc 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 Reassignments
2Medicare enrollment records show William Roberts 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
- 3,728 clinicians in this Medicare group
New Haven, CT 06519
- Reassigned Medicare billing, Connecticut enrollment
- 468 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 06511 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 06511
NEW HAVEN, CT 06511
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 William Roberts's NPI number?
The NPI number for William Roberts is 1093392862. It was assigned to this individual provider in the NPPES registry on March 26, 2021.
Where is William Roberts located?
William Roberts practices at 150 Sargent Dr, New Haven, CT 06511. The listed phone number is (203) 503-3440.
What is William Roberts's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is William Roberts enrolled in Medicare?
Yes. William Roberts 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 organizations bill Medicare for William Roberts's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Roberts reassigns Medicare benefits to 2 organizations: Yale University (New Haven, CT) and Cornell Scott Hill Health Corporation (New Haven, CT). 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 William Roberts's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does William Roberts accept?
Health plans from Anthem Blue Cross and Blue Shield list William Roberts 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 William Roberts was last updated on July 25, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# William Lawrence Roberts, MD, MSC · NPI 1093392862
Internal Medicine physician in New Haven, Connecticut. Individual provider, active in the CMS NPPES registry since March 26, 2021.
## Identity
- **NPI:** 1093392862 (Entity type: Individual)
- **Enumerated:** March 26, 2021
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 78899 (Connecticut)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 150 SARGENT DR, New Haven, CT 06511-6100
- **Phone:** (203) 503-3440
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **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): Yale University (NPI 1124148887, New Haven, CT); Cornell Scott Hill Health Corporation (NPI 1902921380, New Haven, CT) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Hofstra North Shore - Lij School Of Medicine, class of 2021
## Record status
- **NPPES last updated:** July 25, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1093392862) · Data from the CMS NPPES public registry.