BRIAN KOLL MD
NPI 1225019367
Internal Medicine - Infectious Disease in Harwich Port, MA
About Brian Koll Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
BRIAN KOLL MD (NPI 1225019367) is an individual infectious disease provider in Harwich Port, Massachusetts, licensed in Massachusetts (276952) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS and maintains a secondary practice location in New York.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Brian Koll Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Brian Koll reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
New York, NY 10029
- Reassigned Medicare billing, New York enrollment
- 769 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 02646 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 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
HARWICH PORT, MA 02646
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 Brian Koll's NPI number?
The NPI number for Brian Koll is 1225019367. It was assigned to this individual provider in the NPPES registry on November 7, 2005.
Where is Brian Koll located?
Brian Koll practices at 710 Main St, Harwich Port, MA 02646. The listed phone number is (508) 905-2800.
What is Brian Koll's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.
Is Brian Koll enrolled in Medicare?
Yes. Brian Koll is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Brian Koll's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Brian Koll reassigns Medicare benefits to Icahn School Of Medicine At Mount Sinai (New York, NY). 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 Brian Koll'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 Brian Koll was last updated on May 22, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.