Individual provider Active NPI

Cassandra Juanita Kaiser, D.O.

  • Physical Medicine & Rehabilitation Physician
  • Boston, MA
National Provider Identifier
1255719324
Registry record updated Mar 19, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Physical Medicine & Rehabilitation PhysicianTaxonomy code 208100000X
License
325621-01 Issued in NY
Practice address
55 Fruit St
Boston, MA 02114-2621
Phone
(940) 765-9499
NPI assigned
May 11, 2015
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Mar 19, 2025

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 4

Specialty (taxonomy)CodeLicenseStatePrimary
Physical Medicine & Rehabilitation Physician 208100000X 83833 GA
Physical Medicine & Rehabilitation Physician 208100000X 1021270 MA
Physical Medicine & Rehabilitation Physician 208100000X 325621-01 NY Primary
Physical Medicine & Rehabilitation Physician 208100000X OP61672550 WA

Addresses

Primary practice location

55 Fruit St
Boston, MA 02114-2621

Mailing address

11741 Humberside Dr
Frisco, TX 75035-7794
Phone (940) 765-9499

Other practice location 1

200 NE Mother Joseph Pl Ste 100
Vancouver, WA 98664-3292
Phone (360) 514-3142

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NY, MA, MT3 enrollments
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 3

Enrollment IDStateProvider typePAC IDDetails
I20231213003216 NY Practitioner - Physical Medicine and Rehabilitation 8325331697 Reassigns benefits to 2 organizations
I20241111002808 MA Practitioner - Physical Medicine and Rehabilitation 8325331697 Reassigns benefits to 2 organizations
I20250826003882 MT Practitioner - Physical Medicine and Rehabilitation 8325331697 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Physical Medicine and Rehabilitation
Education
At Still Un of HLTH Sciences, Col of Osteo Med, Mesa, 2015
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Samaritan Medical CenterGroup PAC ID 8123914876, 157 clinicians
RCHP Billings - Missoula LLCGroup PAC ID 8426370842, 69 clinicians
Nuvance Health Medical Practice PCGroup PAC ID 1658468442, 578 clinicians

Practice addresses (Care Compare)

10881 US Route 11
Adams, NY 13605-3154
Phone (315) 232-4400

2827 Fort Missoula Rd
Missoula, MT 59804-7408
Phone (406) 327-4646

6511 Spring Brook Ave
Suite 1004
Rhinebeck, NY 12572-3709
Phone (845) 227-6947

830 Washington St
Watertown, NY 13601-4034
Phone (315) 785-4000

Hospital & facility affiliations

  • Bitterroot Health - Daly Hospital Hospital, Hamilton, MT, CCN 271340
  • Logan Health Medical Center Hospital, Kalispell, MT, CCN 270051
  • St. Patrick Hospital Hospital, Missoula, MT, CCN 270014
  • Community Medical Center Hospital, Missoula, MT, CCN 270023
  • Rim at Community Medical Center Inpatient rehabilitation facility, Missoula, MT, CCN 27T023
  • The Paul Rosenthal Rehabilitation Center at NDH Inpatient rehabilitation facility, Rhinebeck, NY, CCN 33T049

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Osteopathy

State licenses

LicenseStateTypeSpecialty
83833GAMDPhysical Medicine & Rehabilitation Physician
1021270MAMDPhysical Medicine & Rehabilitation Physician
325621-01NYMDPhysical Medicine & Rehabilitation Physician
OP61672550WAMDPhysical Medicine & Rehabilitation Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Samaritan Medical Center CurrentSince Oct 28, 2023 Accepting new patients
Samaritan Medical Center CurrentSince Oct 28, 2023 Accepting new patients
The General Hospital Corporation CurrentSince Nov 22, 2024 Accepting new patients
Massachusetts General Physicians Organization Inc Physical Medicine & Rehabilitation CurrentSince Nov 22, 2024 Accepting new patients
Nuvance Health Medical Practice PC CurrentSince Apr 7, 2025 Accepting new patients
RCHP Billings - Missoula LLC CurrentSince Sep 1, 2025 Accepting new patients
RCHP Billings - Missoula LLC Current Accepting new patients

Locations

55 Fruit St
Boston, MA 02114

55 Fruit St
#2
Boston, MA 02114
Phone (617) 726-2967

62 13th St
Charlestown, MA 02129
Phone (617) 724-4260

2827 Fort Missoula Rd
Missoula, MT 59804
Phone (406) 327-4202

2230 N Reserve St
Missoula, MT 59808
Phone (406) 721-0533

2230 N Reserve St
Ste 402
Missoula, MT 59808
Phone (406) 327-3850

10881 US Route 11
Adams, NY 13605
Phone (315) 232-4400

45 Reade Pl
Fl 2
Poughkeepsie, NY 12601
Phone (845) 483-6001

6511 Spring Brook Ave
Ste 1004
Rhinebeck, NY 12572
Phone (845) 871-4275

6511 Spring Brook Ave
Rhinebeck, NY 12572
Phone (845) 871-3368

830 Washington St
Watertown, NY 13601
Phone (315) 785-4000

Interoperability endpoints

  • Direct secure messaging: ckaiser737122@direct.peacehealth.org
  • Direct secure messaging: ckaiser27860@direct.emory.org

Organizations & group practices 7

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

Hospital & facility affiliations 16

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

View all 16

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1431302400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1742342400000",
    "number": "1255719324",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "11741 HUMBERSIDE DR",
            "city": "FRISCO",
            "state": "TX",
            "postal_code": "750357794",
            "telephone_number": "940-765-9499"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "55 FRUIT ST",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021142621",
            "telephone_number": "940-765-9499"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "200 NE Mother Joseph Pl Ste 100",
            "address_purpose": "LOCATION",
            "city": "Vancouver",
            "state": "WA",
            "postal_code": "986643292",
            "country_code": "US",
            "telephone_number": "360-514-3142",
            "fax_number": "360-514-6809",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "KAISER",
        "first_name": "CASSANDRA",
        "middle_name": "JUANITA",
        "credential": "D.O.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2015-05-11",
        "last_updated": "2025-03-19",
        "certification_date": "2025-03-19",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208100000X",
            "taxonomy_group": "",
            "desc": "Physical Medicine & Rehabilitation",
            "state": "GA",
            "license": "83833",
            "primary": false
        },
        {
            "code": "208100000X",
            "taxonomy_group": "",
            "desc": "Physical Medicine & Rehabilitation",
            "state": "MA",
            "license": "1021270",
            "primary": false
        },
        {
            "code": "208100000X",
            "taxonomy_group": "",
            "desc": "Physical Medicine & Rehabilitation",
            "state": "NY",
            "license": "325621-01",
            "primary": true
        },
        {
            "code": "208100000X",
            "taxonomy_group": "",
            "desc": "Physical Medicine & Rehabilitation",
            "state": "WA",
            "license": "OP61672550",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Boston, MA

Sources for this page

Verify at the official NPI Registry.