CASSANDRA JUANITA KAISER D.O.
NPI 1255719324
Physical Medicine & Rehabilitation in Boston, MA
About Cassandra Juanita Kaiser D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CASSANDRA JUANITA KAISER D.O. (NPI 1255719324) is an individual physical medicine & rehabilitation provider in Boston, Massachusetts, licensed in New York (325621-01) and active in the NPI registry since May 2015. She is enrolled in Medicare PECOS, is affiliated with St. Patrick Hospital, and maintains a secondary practice location in Vancouver.
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
Cassandra Juanita Kaiser D.o. 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
5Medicare enrollment records show Cassandra Kaiser reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Boston, MA 02114
- Reassigned Medicare billing, Massachusetts enrollment
- 6,360 clinicians in this Medicare group
Boston, MA 02114
- Reassigned Medicare billing, Massachusetts enrollment
- 6,234 clinicians in this Medicare group
Kingston, NY 12401
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Nuvance Health Medical Practice PC
- 638 clinicians in this Medicare group
Watertown, NY 13601
- Reassigned Medicare billing, New York enrollment
- 183 clinicians in this Medicare group
Missoula, MT 59804
- Reassigned Medicare billing, Montana enrollment
- 192 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 4
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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
St. Patrick Hospital
Acute Care Hospitals · Missoula, MTCommunity Medical Center
Acute Care Hospitals · Missoula, MTBitterroot Health - Daly Hospital
Critical Access Hospitals · Hamilton, MTMedicare 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.
Referred Medical Equipment & Supplies CMS DME claims 16
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
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 Cassandra Kaiser's NPI number?
The NPI number for Cassandra Kaiser is 1255719324. It was assigned to this individual provider in the NPPES registry on May 11, 2015.
Where is Cassandra Kaiser located?
Cassandra Kaiser practices at 55 Fruit St, Boston, MA 02114. The listed phone number is (940) 765-9499.
What is Cassandra Kaiser's specialty?
The primary specialty registered for this NPI is Physical Medicine & Rehabilitation with taxonomy code 208100000X.
Is Cassandra Kaiser enrolled in Medicare?
Yes. Cassandra Kaiser 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 Cassandra Kaiser's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Cassandra Kaiser reassigns Medicare benefits to 5 organizations: Massachusetts General Physicians Organization Inc (Boston, MA), The General Hospital Corporation (Boston, MA), Health Quest Medical Practice, PC (Kingston, NY), Samaritan Medical Center (Watertown, NY) and Rchp Billings - Missoula LLC (Missoula, MT). 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 Cassandra Kaiser's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Cassandra Kaiser accept?
Health plans from Blue Cross and Blue Shield of Montana, Kaiser Permanente, Mountain Health CO-OP, PacificSource Health Plans and Providence Health Plan and 1 other insurer list Cassandra Kaiser 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 Cassandra Kaiser affiliated with any hospitals?
According to CMS data, Cassandra Kaiser is affiliated with St. Patrick Hospital, Community Medical Center and Bitterroot Health - Daly Hospital.
When was this NPI record last updated?
The NPPES record for Cassandra Kaiser was last updated on March 19, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 months 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.