DR. KATE T. BRIZZI MD
NPI 1659664373
Psychiatry & Neurology - Neurology in Boston, MA
About Dr. Kate T. Brizzi Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. KATE T. BRIZZI MD (NPI 1659664373) is an individual neurology provider in Boston, Massachusetts, licensed in Massachusetts (26244) and active in the NPI registry since May 2011. She is enrolled in Medicare PECOS, is affiliated with Massachusetts General Hospital, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Locations 2
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
Dr. Kate T. Brizzi Md 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
7Medicare enrollment records show Kate Brizzi reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Boston, MA 02115
- Reassigned Medicare billing, Massachusetts enrollment
- 4,574 clinicians in this Medicare group
Boston, MA 02114
- Reassigned Medicare billing, Massachusetts enrollment
- 6,234 clinicians in this Medicare group
Boston, MA 02114
- Reassigned Medicare billing, Massachusetts enrollment
- 6,360 clinicians in this Medicare group
Roslindale, MA 02131
- Reassigned Medicare billing, Massachusetts enrollment
- 26 clinicians in this Medicare group
Montevideo, MN 56265
- Reassigned Medicare billing, Minnesota enrollment
- Also billed through NPI 1720086028 (Minnesota)
- 149 clinicians in this Medicare group
Rosebud, SD 57570
- Reassigned Medicare billing, Texas enrollment
- 386 clinicians in this Medicare group
Poplar, MT 59255
- Reassigned Medicare billing, Texas enrollment
- Medicare enrollment name: U S Health Dept Of Health & Human Services
- 306 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 10
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.
Massachusetts General Hospital
Acute Care Hospitals · Boston, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02114 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
BOSTON, MA 02114
BOSTON, MA 02114
BOSTON, MA 02114
BOSTON, MA 02114
BOSTON, MA 02114
BOSTON, MA 02114
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 Kate Brizzi's NPI number?
The NPI number for Kate Brizzi is 1659664373. It was assigned to this individual provider in the NPPES registry on May 27, 2011.
Where is Kate Brizzi located?
Kate Brizzi practices at Massachusetts General Hospital 55 Fruit Street, Boston, MA 02114. The listed phone number is (617) 726-2865.
What is Kate Brizzi's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.
Is Kate Brizzi enrolled in Medicare?
Yes. Kate Brizzi 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 Kate Brizzi's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Kate Brizzi reassigns Medicare benefits to 7 organizations: Brigham & Womens Physicians Organization Inc (Boston, MA), The General Hospital Corporation (Boston, MA), Massachusetts General Physicians Organization Inc (Boston, MA), Hebrew Seniorlife Affiliated Medical Group Inc (Roslindale, MA), Ccm Health (Montevideo, MN) and 2 more organizations, listed in the Medicare section above. 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 Kate Brizzi's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Kate Brizzi accept?
Health plans from Anthem Blue Cross and Blue Shield and Taro Health list Kate Brizzi 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 Kate Brizzi affiliated with any hospitals?
According to CMS data, Kate Brizzi is affiliated with Massachusetts General Hospital.
When was this NPI record last updated?
The NPPES record for Kate Brizzi was last updated on October 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 34 days 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. Kate T. Brizzi, MD · NPI 1659664373
Neurology physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since May 27, 2011.
## Identity
- **NPI:** 1659664373 (Entity type: Individual)
- **Enumerated:** May 27, 2011
- **Primary specialty:** Psychiatry & Neurology - Neurology · taxonomy 2084N0400X
- **State license:** 26244 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** MASSACHUSETTS GENERAL HOSPITAL, 55 FRUIT STREET, Boston, MA 02114
- **Phone:** (617) 726-2865
## 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:** 7 organizations under Medicare reassignment (form CMS-855R): Brigham & Womens Physicians Organization Inc (NPI 1033535497, Boston, MA); The General Hospital Corporation (NPI 1023049236, Boston, MA); Massachusetts General Physicians Organization Inc (NPI 1801874573, Boston, MA); Hebrew Seniorlife Affiliated Medical Group Inc (NPI 1477069391, Roslindale, MA); Ccm Health (NPI 1275057978, Montevideo, MN); and 2 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Pennsylvania State University College Of Medicine, class of 2011
## Record status
- **NPPES last updated:** October 2, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1659664373) · Data from the CMS NPPES public registry.