Individual provider Active NPI

Siulam Ciel Koo, D.O.

  • Physical Medicine & Rehabilitation Physician
  • Boston, MA
National Provider Identifier
1932736733
Registry record updated Jun 10, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Physical Medicine & Rehabilitation PhysicianTaxonomy code 208100000X
License
1023600 Issued in MA
Practice address
55 Fruit St
Boston, MA 02114-2696
Phone
(617) 724-3718
NPI assigned
Mar 24, 2020
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 10, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Physical Medicine & Rehabilitation Physician 208100000X 1023600 MA Primary

Addresses

Primary practice location

55 Fruit St
Boston, MA 02114-2696

Mailing address

55 Fruit Ave
Boston, MA 02114-2696

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in PA, MA2 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 2

Enrollment IDStateProvider typePAC IDDetails
I20240830001452 PA Practitioner - Physical Medicine and Rehabilitation 7416398722 Reassigns benefits to 1 organization
I20250902000530 MA Practitioner - Physical Medicine and Rehabilitation 7416398722 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Physical Medicine and Rehabilitation
Education
Other, 2020
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Massachusetts General Physicians Organization IncGroup PAC ID 2466365820, 3,494 clinicians

Practice addresses (Care Compare)

300 1St Ave
Charlestown, MA 02129-3109
Phone (617) 952-5000

55 Fruit St
Boston, MA 02114-2696
Phone (617) 724-0287

75 Francis St
Boston, MA 02115-6110
Phone (617) 732-5500

Hospital & facility affiliations

  • Brigham and Women'S Hospital Hospital, Boston, MA, CCN 220110
  • Spaulding Rehabilitation Hospital Inpatient rehabilitation facility, Charlestown, MA, CCN 223034

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
The General Hospital Corporation CurrentSince Aug 1, 2025 Accepting new patients
Massachusetts General Physicians Organization Inc Physical Medicine & Rehabilitation CurrentSince Aug 1, 2025 Accepting new patients
University of Pittsburgh Physicians Physical Medicine & Rehabilitation CurrentSince Jun 7, 2024 Accepting new patients
University of Pittsburgh Physicians Current Accepting new patients
University of Pittsburgh Physicians CurrentSince Jun 7, 2024 Accepting new patients
General Hospital Corp 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

300 1st Ave
Charlestown, MA 02129
Phone (617) 952-5000

3471 5th Ave
Ste 1103
Pittsburgh, PA 15213
Phone (412) 648-6848

3600 Forbes Ave
Ste 140
Pittsburgh, PA 15213

2 Hot Metal St
#One
Pittsburgh, PA 15203
Phone (412) 432-5864

3471 5th Ave
Ste 910
Pittsburgh, PA 15213
Phone (412) 692-4506

Interoperability endpoints

  • Direct secure messaging: siulam.koo@upmcdirect.com
  • Direct secure messaging: skoo457338@nyumc.direct-ci.com
  • Direct secure messaging: koo.siulam.mgh@direct.partners.masshiway.net

Organizations & group practices 6

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 2

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

NPI Registry JSON

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

{
    "created_epoch": "1585008000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1749513600000",
    "number": "1932736733",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "55 FRUIT AVE",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021142696"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "55 FRUIT ST",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021142696",
            "telephone_number": "617-724-3718"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KOO",
        "first_name": "SIULAM",
        "middle_name": "CIEL",
        "credential": "D.O.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2020-03-24",
        "last_updated": "2025-06-10",
        "certification_date": "2025-06-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208100000X",
            "taxonomy_group": "",
            "desc": "Physical Medicine & Rehabilitation",
            "state": "MA",
            "license": "1023600",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Boston, MA

Sources for this page

Verify at the official NPI Registry.