Individual provider Active NPI

Bess Flashner, MD

  • Pulmonary Disease Physician
  • Boston, MA
National Provider Identifier
1588044382
Registry record updated Oct 19, 2022
On this page

Key facts

NPPES NPI Registry
Primary specialty
Pulmonary Disease PhysicianTaxonomy code 207RP1001X
License
278924 Issued in MA
Practice address
330 Brookline Ave
Boston, MA 02215-5400
Phone
(617) 667-7000
NPI assigned
Jun 5, 2015
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 19, 2022

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 264176 MA
Pulmonary Disease Physician 207RP1001X 278924 MA Primary

Addresses

Primary practice location

330 Brookline Ave
Boston, MA 02215-5400

Mailing address

330 Brookline Ave
Boston, MA 02215-5400
Phone (617) 667-7000

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MA, DC2 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
I20190702003165 MA Practitioner - Pulmonary DiseasePractitioner - Internal Medicine 1759699275 Reassigns benefits to 3 organizations
I20251006002432 DC Practitioner - Internal Medicine 1759699275 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
George Washington University School of Medicine, 2015
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Medical Faculty Associates, IncGroup PAC ID 4082528898, 676 clinicians

Practice addresses (Care Compare)

2150 Pennsylvania Ave NW
Washington, DC 20037-3201
Phone (202) 741-2600

Hospital & facility affiliations

  • George Washington Univ Hospital Hospital, Washington, DC, CCN 090001
  • Beth Israel Deaconess Medical Center Hospital, Boston, MA, CCN 220086
  • Beth Israel Deaconess Hospital - Needham Hospital, Needham, MA, CCN 220083

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
264176MAMDInternal Medicine Physician
278924MAMDPulmonary Disease Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Associated Physicians of Harvard Medical Faculty Physicians at Beth Is CurrentSince May 20, 2019 Accepting new patients
Associated Physicians of Harvard Medical Faculty Physicians at Beth Is Internal Medicine CurrentSince May 20, 2019 Accepting new patients
Beth Israel Deaconess Medical Center, Inc. CurrentSince May 20, 2019 Accepting new patients
Beth Israel Deaconess Medical Center, Inc. CurrentSince May 20, 2019 Accepting new patients
Medical Faculty Associates, Inc Internal Medicine CurrentSince Sep 11, 2025 Accepting new patients

Locations

2150 Pennsylvania Ave NW
Washington, DC 20037
Phone (202) 741-2222

900 23rd St NW
Washington, DC 20037
Phone (202) 715-4750

2150 Pennsylvania Ave NW
Fl 5
Washington, DC 20037
Phone (202) 741-2500

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

330 Brookline Ave
#2
Boston, MA 02215
Phone (617) 632-8383

199 Reedsdale Rd
Milton, MA 02186
Phone (617) 313-1000

Interoperability endpoints

  • Direct secure messaging: bflashner54353@gwmfa.direct-ci.com

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": "1433462400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1666137600000",
    "number": "1588044382",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "330 BROOKLINE AVE",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "022155400",
            "telephone_number": "617-667-7000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "330 BROOKLINE AVE",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "022155400",
            "telephone_number": "617-667-7000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "FLASHNER",
        "first_name": "BESS",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2015-06-05",
        "last_updated": "2022-10-19",
        "certification_date": "2022-10-19",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MA",
            "license": "264176",
            "primary": false
        },
        {
            "code": "207RP1001X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Pulmonary Disease",
            "state": "MA",
            "license": "278924",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Boston, MA

Sources for this page

Verify at the official NPI Registry.