KATHERINE OLIVIA BRAG M.D.
NPI 1568857233
Dermatology in Boston, MA
About Katherine Olivia Brag M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KATHERINE OLIVIA BRAG M.D. (NPI 1568857233) is an individual dermatology provider in Boston, Massachusetts, licensed in Louisiana (312694) and active in the NPI registry since March 2015. She is enrolled in Medicare PECOS, is affiliated with Beth Israel Deaconess Medical Center, and maintains a secondary practice location in New Orleans.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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
Katherine Olivia Brag 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
3Medicare enrollment records show Katherine Brag reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Boston, MA 02215
- Reassigned Medicare billing, Massachusetts enrollment
- 1,477 clinicians in this Medicare group
Boston, MA 02215
- Reassigned Medicare billing, Massachusetts enrollment
- Also billed through NPI 1043250616 (Massachusetts)
- 2,579 clinicians in this Medicare group
Boston, MA 02215
- Reassigned Medicare billing, Massachusetts enrollment
- Also billed through NPI 1346433257 (Massachusetts)
- 1,026 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 15
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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Beth Israel Deaconess Medical Center
Acute Care Hospitals · Boston, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02215 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Katherine Brag's NPI number?
The NPI number for Katherine Brag is 1568857233. It was assigned to this individual provider in the NPPES registry on March 31, 2015.
Where is Katherine Brag located?
Katherine Brag practices at 330 Brooline Avenue Gryzmish 522, Boston, MA 02215. The listed phone number is (203) 216-3833.
What is Katherine Brag's specialty?
The primary specialty registered for this NPI is Dermatology with taxonomy code 207N00000X.
Is Katherine Brag enrolled in Medicare?
Yes. Katherine Brag 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 Katherine Brag's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Katherine Brag reassigns Medicare benefits to 3 organizations: Beth Israel Deaconess Medical Center, Inc. (Boston, MA), Harvard Medical Faculty Phys At Beth Israel Deaconess Med Ctr Inc (Boston, MA) and Dana-Farber Cancer Institute, Inc. (Boston, MA). 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 Katherine Brag's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Katherine Brag accept?
Health plans from Anthem Blue Cross and Blue Shield list Katherine Brag 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.
Is Katherine Brag affiliated with any hospitals?
According to CMS data, Katherine Brag is affiliated with Beth Israel Deaconess Medical Center.
When was this NPI record last updated?
The NPPES record for Katherine Brag was last updated on December 15, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.