TAI KATZENSTEIN MA, PHD
NPI 1124221064
Student in an Organized Health Care Education/Training Program in Boston, MA
About Tai Katzenstein Ma, Phd NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
TAI KATZENSTEIN MA, PHD (NPI 1124221064) is an individual student in an organized health care education/training program in Boston, Massachusetts, licensed in Massachusetts (NOT APPLICABLE) and active in the NPI registry since June 2007. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Tai Katzenstein Ma, Phd is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Tai Katzenstein reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Newton, MA 02462
- Reassigned Medicare billing, Massachusetts enrollment
- 992 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.
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 Tai Katzenstein's NPI number?
The NPI number for Tai Katzenstein is 1124221064. It was assigned to this individual provider in the NPPES registry on June 7, 2007.
Where is Tai Katzenstein located?
Tai Katzenstein practices at Massachusetts General Hospital 55 Fruit Street, Boston, MA 02114. The listed phone number is (617) 726-3648.
What is Tai Katzenstein's specialty?
The primary specialty registered for this NPI is Student in an Organized Health Care Education/Training Program with taxonomy code 390200000X.
Is Tai Katzenstein enrolled in Medicare?
Yes. Tai Katzenstein is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Tai Katzenstein's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Tai Katzenstein reassigns Medicare benefits to Mass General Brigham Medical Group Suburban Massachusetts Inc (Newton, MA). 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 Tai Katzenstein's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Tai Katzenstein accept?
Health plans from Anthem Blue Cross and Blue Shield and Harvard Pilgrim Health Care list Tai Katzenstein 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.
When was this NPI record last updated?
The NPPES record for Tai Katzenstein was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.
# Tai Katzenstein, MA, PHD · NPI 1124221064
Student in an Organized Health Care Education/Training Program provider in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since June 7, 2007.
## Identity
- **NPI:** 1124221064 (Entity type: Individual)
- **Enumerated:** June 7, 2007
- **Primary specialty:** Student in an Organized Health Care Education/Training Program · taxonomy 390200000X
- **State license:** NOT APPLICABLE (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** MASSACHUSETTS GENERAL HOSPITAL, 55 FRUIT STREET, Boston, MA 02114
- **Phone:** (617) 726-3648
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Mass General Brigham Medical Group Suburban Massachusetts Inc (NPI 1538191218, Newton, MA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** July 8, 2007
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Source: [NPI Profile](https://npiprofile.com/npi/1124221064) · Data from the CMS NPPES public registry.