NPIMap

Individual provider Active NPI

Khalid H Ismail, MD

  • Sleep Medicine (Internal Medicine) Physician
  • Boston, MA
National Provider Identifier
1649287277
Registry record updated Dec 16, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Sleep Medicine (Internal Medicine) PhysicianTaxonomy code 207RS0012X
License
235810 Issued in MA
Practice address
800 Washington St
Boston, MA 02111-1552
Phone
(617) 636-5000
NPI assigned
Aug 3, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Dec 16, 2025

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

Specialties & licenses 4

Specialty (taxonomy)CodeLicenseStatePrimary
Sleep Medicine (Internal Medicine) Physician 207RS0012X 235810 MA Primary
Critical Care Medicine (Internal Medicine) Physician 207RC0200X 235810 MA
Pulmonary Disease Physician 207RP1001X 235810 MA
Pulmonary Disease Physician 207RP1001X DR43381 CO

Addresses

Primary practice location

800 Washington St
Boston, MA 02111-1552

Mailing address

41 Mall Rd
5 Central Pulmonary Dept.
Burlington, MA 01805-0001
Phone (781) 744-8480

Other practice location 1

55 Fruit St
Boston, MA 02114-2621
Phone (617) 643-7625

Other practice location 2

41 Mall Rd
5 Central Pulmonary Dept.
Burlington, MA 01805-0001
Phone (781) 744-8480 ext. 3365

Other practice location 3

15 Parkman St
Boston, MA 02114-3117
Phone (617) 643-7625

Other practice location 4

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

Other identifiers 2

IdentifierTypeStateIssuer
34607536MedicaidCO
2155061MedicaidMA

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
I20081010000379 MA Practitioner - Pulmonary DiseasePractitioner - Critical Care (Intensivists)Practitioner - Sleep Medicine 9436185386 Reassigns benefits to 7 organizations

Care Compare profile

Medicare Care Compare
Specialty
Pulmonary DiseaseAlso: Critical Care (Intensivists), Sleep Medicine
Education
Other, 1995
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)

2014 Washington St
Newton, MA 02462-1607
Phone (617) 243-6000

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

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

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

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
DR43381COMDPulmonary Disease Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Dana-Farber Cancer Institute, Inc. CurrentSince Oct 1, 2022 Accepting new patients
Brigham and Women'S Hospital Current Accepting new patients
Melrosewakefield Healthcare, Inc. Current Accepting new patients
Melrosewakefield Healthcare, Inc. CurrentSince Jan 1, 2015 Accepting new patients
Hallmark Health System Inc CurrentSince Jan 1, 2015 Accepting new patients
Children'S Hospital Pediatric Associates, Inc CurrentSince Jun 14, 2024 Accepting new patients
Dana-Farber Cancer Institute, Inc. CurrentSince Oct 1, 2022 Accepting new patients
The General Hospital Corporation CurrentSince Dec 18, 2025 Accepting new patients
Massachusetts General Physicians Organization Inc CurrentSince Dec 18, 2025 Accepting new patients
Brigham & Womens Physicians Organization Inc CurrentSince May 13, 2020 Accepting new patients
Mass General Brigham Medical Group Suburban Massachusetts Inc CurrentSince Feb 1, 2025 Accepting new patients
Colorado Plains Physician Practices LLC Pulmonary Disease Past Accepting new patients
Brigham and Womens Physicians Organization Inc Past Accepting new patients

Locations

450 Brookline Ave
Boston, MA 02215
Phone (508) 478-2061

15 Parkman St
Boston, MA 02114
Phone (617) 726-3023

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

55 Fruit St
Boston, MA 02114

75 Francis St
Boston, MA 02115

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

1153 Centre St
#L1
Jamaica Plain, MA 02130

170 Governors Ave
Medford, MA 02155
Phone (781) 306-6000

585 Lebanon St
Melrose, MA 02176
Phone (781) 979-3026

2014 Washington St
Newtonville, MA 02462
Phone (617) 243-6000

275 Sandwich St
Plymouth, MA 02360
Phone (508) 746-2000

759 Chestnut St
Springfield, MA 01199
Phone (413) 794-3233

41 Highland Ave
Winchester, MA 01890
Phone (781) 756-2000

Interoperability endpoints

  • Direct secure messaging: ismail.khalid.bwh@direct.partners.masshiway.net

Organizations & group practices 13

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.

View all 13

Hospital & facility affiliations 6

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": "1154563200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1765843200000",
    "number": "1649287277",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "41 MALL RD",
            "address_2": "5 CENTRAL PULMONARY DEPT.",
            "city": "BURLINGTON",
            "state": "MA",
            "postal_code": "018050001",
            "telephone_number": "781-744-8480",
            "fax_number": "781-744-3443"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "800 WASHINGTON ST",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021111552",
            "telephone_number": "617-636-5000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "55 Fruit St",
            "address_purpose": "LOCATION",
            "city": "Boston",
            "state": "MA",
            "postal_code": "021142621",
            "country_code": "US",
            "telephone_number": "617-643-7625",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "41 Mall Rd",
            "address_2": "5 Central Pulmonary Dept.",
            "address_purpose": "LOCATION",
            "city": "Burlington",
            "state": "MA",
            "postal_code": "018050001",
            "country_code": "US",
            "telephone_number": "781-744-8480 x3365",
            "fax_number": "781-744-3443",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "15 Parkman St",
            "address_purpose": "LOCATION",
            "city": "Boston",
            "state": "MA",
            "postal_code": "021143117",
            "country_code": "US",
            "telephone_number": "617-643-7625",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "300 Longwood Ave",
            "address_purpose": "LOCATION",
            "city": "Boston",
            "state": "MA",
            "postal_code": "021155724",
            "country_code": "US",
            "telephone_number": "617-355-6000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "ISMAIL",
        "first_name": "KHALID",
        "middle_name": "H",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-08-03",
        "last_updated": "2025-12-16",
        "certification_date": "2025-12-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RS0012X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Sleep Medicine",
            "state": "MA",
            "license": "235810",
            "primary": true
        },
        {
            "code": "207RC0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Critical Care Medicine",
            "state": "MA",
            "license": "235810",
            "primary": false
        },
        {
            "code": "207RP1001X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Pulmonary Disease",
            "state": "MA",
            "license": "235810",
            "primary": false
        },
        {
            "code": "207RP1001X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Pulmonary Disease",
            "state": "CO",
            "license": "DR43381",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "34607536",
            "state": "CO"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "2155061",
            "state": "MA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Boston, MA

Sources for this page

Verify at the official NPI Registry.