DR. XAVIER LLOR M.D.
NPI 1831250612
Internal Medicine - Gastroenterology in New Haven, CT
About Dr. Xavier Llor M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. XAVIER LLOR M.D. (NPI 1831250612) is an individual gastroenterology provider in New Haven, Connecticut, licensed in Connecticut (052634) and active in the NPI registry since December 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1986).
NPPES Registry Identity
Specialties & Licenses
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
Dr. Xavier Llor M.d. 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 Xavier Llor 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.
Areas of Expertise CMS Part B claims 2
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
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.
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 HAVEN, CT 06510
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 Xavier Llor's NPI number?
The NPI number for Xavier Llor is 1831250612. It was assigned to this individual provider in the NPPES registry on December 13, 2006.
Where is Xavier Llor located?
Xavier Llor practices at 40 Temple St Suite 1A, New Haven, CT 06510. The listed phone number is (203) 785-4138.
What is Xavier Llor's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Xavier Llor enrolled in Medicare?
Yes. Xavier Llor 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 Xavier Llor's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Xavier Llor 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 Xavier Llor'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 Xavier Llor was last updated on May 1, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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. Xavier Llor, M.D. · NPI 1831250612
Gastroenterology physician in New Haven, Connecticut. Individual provider, active in the CMS NPPES registry since December 13, 2006.
## Identity
- **NPI:** 1831250612 (Entity type: Individual)
- **Enumerated:** December 13, 2006
- **Primary specialty:** Internal Medicine - Gastroenterology · taxonomy 207RG0100X
- **State license:** 052634 (Connecticut)
- **Sole proprietor:** No
## Practice location
- **Address:** 40 TEMPLE ST, SUITE 1A, New Haven, CT 06510-2715
- **Phone:** (203) 785-4138 · **Fax:** (203) 737-1345
## 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:** Other, class of 1986
## Record status
- **NPPES last updated:** May 1, 2014
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Source: [NPI Profile](https://npiprofile.com/npi/1831250612) · Data from the CMS NPPES public registry.