Individual provider Active NPI

Robert A Kalish, M.D.

  • Rheumatology Physician
  • Boston, MA
National Provider Identifier
1215974084
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Rheumatology PhysicianTaxonomy code 207RR0500X
License
74150 Issued in MA
Practice address
750 Washington St
New England Medical Cent ER
Boston, MA 02111-1526
Phone
(617) 636-5990
NPI assigned
Jun 1, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 13, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Rheumatology Physician 207RR0500X 74150 MA Primary

Addresses

Primary practice location

750 Washington St
New England Medical Cent ER
Boston, MA 02111-1526

Mailing address

750 Washington St
New England Medical Center
Boston, MA 02111-1526
Phone (617) 636-5990

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MA
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 1

Enrollment IDStateProvider typePAC IDDetails
I20050429000058 MA Practitioner - Rheumatology 9537108477 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Rheumatology
Education
JS Weill Medical College, Cornell University, 1986
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Pratt Medical Group IncGroup PAC ID 3375515661, 282 clinicians

Practice addresses (Care Compare)

800 Washington St
Boston, MA 02111-1552
Phone (617) 636-5000

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
74150MAMDRheumatology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Pratt Medical Group, Inc CurrentSince Feb 15, 1992 Accepting new patients
Pratt Medical Group, Inc Rheumatology Current Accepting new patients
Pratt Medical Group, Inc CurrentSince Feb 15, 1992 Accepting new patients
Pratt Medical Group, Inc Past Accepting new patients

Locations

800 Washington St
#1013
Boston, MA 02111
Phone (617) 636-0491

800 Washington St
Boston, MA 02111
Phone (617) 636-4800

800 Washington St
#1
Boston, MA 02111

Interoperability endpoints

  • Direct secure messaging: rkalish29183@tuftsmedicine.direct-ci.com

Organizations & group practices 4

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": "1149120000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1215974084",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "750 WASHINGTON ST",
            "address_2": "NEW ENGLAND MEDICAL CENTER",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021111526",
            "telephone_number": "617-636-5990"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "750 WASHINGTON ST",
            "address_2": "NEW ENGLAND MEDICAL CENT ER",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021111526",
            "telephone_number": "617-636-5990"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KALISH",
        "first_name": "ROBERT",
        "middle_name": "A",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-06-01",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RR0500X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Rheumatology",
            "state": "MA",
            "license": "74150",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Boston, MA

Sources for this page

Verify at the official NPI Registry.