NPIMap

Individual provider Active NPI

Jonathan Samuel Hausmann, MD

  • Rheumatology Physician
  • Cambridge, MA
National Provider Identifier
1932367562
Registry record updated Jun 11, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Rheumatology PhysicianTaxonomy code 207RR0500X
License
248865 Issued in MA
Practice address
243 Concord Ave Apt 9
Cambridge, MA 02138-1360
Phone
(617) 871-0040
Fax
(888) 531-3853
NPI assigned
May 30, 2008
Last updated
Jun 11, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 11, 2026

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

Specialties & licenses 4

Specialty (taxonomy)CodeLicenseStatePrimary
Rheumatology Physician 207RR0500X 248865 MA Primary
Internal Medicine Physician 207R00000X 248865 MA
Pediatrics Physician 208000000X 248865 MA
Pediatric Rheumatology Physician 2080P0216X 248865 MA

Addresses

Primary practice location

243 Concord Ave Apt 9
Cambridge, MA 02138-1360

Mailing address

243 Concord Ave Apt 9
Cambridge, MA 02138-1360
Phone (617) 871-0040

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20141212001884 MA Practitioner - RheumatologyPractitioner - Internal MedicinePractitioner - Pediatric Medicine 0749502151 Reassigns benefits to 5 organizations

Care Compare profile

Medicare Care Compare
Specialty
RheumatologyAlso: Internal Medicine, Pediatric Medicine
Education
Icahn School of Medicine at Mount Sinai, 2008
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Children's Hospital Pediatric Associates, IncGroup PAC ID 3476541830, 333 clinicians
The General Hospital CorporationGroup PAC ID 6507803806, 1,275 clinicians

Practice addresses (Care Compare)

300 Longwood Ave
Boston, MA 02115-5724
Phone (617) 355-6000

55 Fruit St
Boston, MA 02114-2621
Phone (617) 726-2000

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

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
248865MAMDPediatric Rheumatology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Children's Hospital Pediatric Associates, Inc Pediatrics CurrentSince Jul 1, 2016 Accepting new patients
Beth Israel Deaconess Medical Center, Inc. CurrentSince Jul 1, 2016 Accepting new patients
Harvard Medical Faculty Phys at Beth Israel Deaconess Med Ctr Inc CurrentSince Jul 1, 2016 Accepting new patients
Beth Israel Deaconess Medical Center, Inc. CurrentSince Jul 1, 2016 Accepting new patients
General Hospital Corp Current Accepting new patients
Harvard Medical Faculty Phys at Beth Israel Deaconess Med Ctr Inc Internal Medicine CurrentSince Jul 1, 2016 Accepting new patients
Massachusetts General Physicians Organization Inc Internal Medicine CurrentSince Jul 4, 2022 Accepting new patients
The General Hospital Corporation CurrentSince Jul 4, 2022 Accepting new patients
Childrens Hospital Boston Past Accepting new patients

Locations

55 Fruit St
Boston, MA 02114

330 Brookline Ave
Boston, MA 02215
Phone (617) 667-2000

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

110 Francis St
Ste 4B
Boston, MA 02215
Phone (617) 632-8658

300 Longwood Ave
Boston, MA 02115
Phone (617) 355-4956

1 University Ave
Westwood, MA 02090
Phone (617) 754-1021

Interoperability endpoints

  • Direct secure messaging: jhausmann26509@direct.bostonchildrens.org
  • Direct secure messaging: hausmann.jonathan.mgh@direct.partners.masshiway.net

Organizations & group practices 9

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

Hospital & facility affiliations 3

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": "1212105600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1781136000000",
    "number": "1932367562",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "243 CONCORD AVE APT 9",
            "city": "CAMBRIDGE",
            "state": "MA",
            "postal_code": "021381360",
            "telephone_number": "617-871-0040",
            "fax_number": "888-531-3853"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "243 CONCORD AVE APT 9",
            "city": "CAMBRIDGE",
            "state": "MA",
            "postal_code": "021381360",
            "telephone_number": "617-871-0040",
            "fax_number": "888-531-3853"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HAUSMANN",
        "first_name": "JONATHAN",
        "middle_name": "SAMUEL",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2008-05-30",
        "last_updated": "2026-06-11",
        "certification_date": "2026-06-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RR0500X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Rheumatology",
            "state": "MA",
            "license": "248865",
            "primary": true
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MA",
            "license": "248865",
            "primary": false
        },
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "MA",
            "license": "248865",
            "primary": false
        },
        {
            "code": "2080P0216X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Pediatric Rheumatology",
            "state": "MA",
            "license": "248865",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Cambridge, MA

Sources for this page

Verify at the official NPI Registry.