DR. KAREN FLORENCE BRUDNEY MD
NPI 1669417796
Internal Medicine - Infectious Disease in New York, NY
About Dr. Karen Florence Brudney Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. KAREN FLORENCE BRUDNEY MD (NPI 1669417796) is an individual infectious disease provider in New York, New York, licensed in New York (153181) and active in the NPI registry since June 2006. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 4
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Karen Florence Brudney Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Karen Brudney reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
New York, NY 10032
- Reassigned Medicare billing, New York enrollment
- 612 clinicians in this Medicare group
New York, NY 10032
- Reassigned Medicare billing, New York enrollment
- Also billed through NPI 1982993184 (New York)
- 3,922 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
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 10032 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 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
NEW YORK, NY 10032
NEW YORK, NY 10032
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 Karen Brudney's NPI number?
The NPI number for Karen Brudney is 1669417796. It was assigned to this individual provider in the NPPES registry on June 20, 2006.
Where is Karen Brudney located?
Karen Brudney practices at 600 West 168th Street 3rd Floor, New York, NY 10032. The listed phone number is (212) 368-4500.
What is Karen Brudney's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.
Is Karen Brudney enrolled in Medicare?
Yes. Karen Brudney is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Karen Brudney's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Karen Brudney reassigns Medicare benefits to 2 organizations: Trustees Of Columbia University In The City Of New York (New York, NY) and Trustees Of Columbia University In The City Of New York (New York, NY). 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 Karen Brudney'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 Karen Brudney was last updated on October 24, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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. Karen Florence Brudney, MD · NPI 1669417796
Infectious Disease physician in New York, New York. Individual provider, active in the CMS NPPES registry since June 20, 2006.
## Identity
- **NPI:** 1669417796 (Entity type: Individual)
- **Enumerated:** June 20, 2006
- **Primary specialty:** Internal Medicine - Infectious Disease · taxonomy 207RI0200X
- **State license:** 153181 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 600 WEST 168TH STREET, 3RD FLOOR, New York, NY 10032
- **Phone:** (212) 368-4500
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **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): Trustees Of Columbia University In The City Of New York (NPI 1437176047, New York, NY); Trustees Of Columbia University In The City Of New York (NPI 1477068971, New York, NY) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** October 24, 2012
- **Other identifiers:** Medicare UPIN E17461; Medicare ID-Type Unspecified 01056AD (NY); Medicare ID-Type Unspecified 010JGAE (NY); and 1 more
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Source: [NPI Profile](https://npiprofile.com/npi/1669417796) · Data from the CMS NPPES public registry.