Individual provider Active NPI

Mehmet Esat Demirhan, MD

  • Hospitalist Physician
  • Boston, MA
National Provider Identifier
1619504719
Registry record updated Jun 29, 2023
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hospitalist PhysicianTaxonomy code 208M00000X
License
1016140 Issued in MA
Practice address
375 Longwood Ave
Boston, MA 02215-5395
Phone
(617) 632-9755
NPI assigned
Mar 26, 2020
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 29, 2023

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Hospitalist Physician 208M00000X 1016140 MA Primary

Addresses

Primary practice location

375 Longwood Ave
Boston, MA 02215-5395

Mailing address

375 Longwood Ave
Boston, MA 02215-5395
Phone (617) 632-9755

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MA, NY2 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
I20230725002456 MA Practitioner - Internal Medicine 0941661862 Reassigns benefits to 3 organizations
I20250814004902 NY Practitioner - Internal Medicine 0941661862 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Other, 2015
Medicare assignment
May accept Medicare assignment
Group practices
Montefiore Medical CenterGroup PAC ID 3779496021, 2,809 clinicians
Associated Physicians of Harvard Medical Faculty Physicians at Beth IsGroup PAC ID 6305749987, shared by 7 NPIs, 566 clinicians

Practice addresses (Care Compare)

111 E 210TH St
Bronx, NY 10467-2401
Phone (866) 633-8255

148 Chestnut St
Needham, MA 02492-2505
Phone (781) 453-3000

330 Brookline Ave
Boston, MA 02215-5400
Phone (617) 754-8612

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
334309NYMDLicensed Practical Nurse

Practice roles

OrganizationSpecialtyStatusNew patients
Associated Physicians of Harvard Medical Faculty Physicians at Beth Is CurrentSince Jul 1, 2023 Accepting new patients
Montefiore Medical Center CurrentSince Jun 27, 2025 Accepting new patients
Montefiore Medical Center Current Accepting new patients
Associated Physicians of Harvard Medical Faculty Physicians at Beth Is CurrentSince Jul 1, 2023 Accepting new patients
Montefiore Medical Center CurrentSince Jun 27, 2025 Accepting new patients
Harvard Medical Faculty Phys at Beth Israel Deaconess Med Ctr Inc CurrentSince Jul 1, 2023 Accepting new patients
Associated Physicians of Harvard Medical Faculty Physicians at Beth Is Current Accepting new patients
Harvard Medical Faculty Phys at Beth Israel Deaconess Med Ctr Inc CurrentSince Jul 1, 2023 Accepting new patients
Beth Israel Deaconess Hospital Plymouth, Inc. Past Accepting new patients

Locations

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

375 Longwood Ave
Boston, MA 02215
Phone (617) 566-6772

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

148 Chestnut St
Needham, MA 02492
Phone (781) 453-3000

101 Page St
New Bedford, MA 02740
Phone (508) 961-5425

111 E 210th St
Bronx, NY 10467

Networks

  • Healthfirst Medicare Network H1722
  • Healthfirst Medicare Network H3359
  • Healthfirst Medicare Network H9678
  • Healthfirst Medicare Network H5989

Interoperability endpoints

  • Direct secure messaging: mdemirhan334532@direct.bilh.masshiway.net
  • Direct secure messaging: mdemirhan@montefioredirect.com

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 and National Provider Directory roles.

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": "1585180800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1687996800000",
    "number": "1619504719",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "375 LONGWOOD AVE",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "022155395",
            "telephone_number": "617-632-9755"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "375 LONGWOOD AVE",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "022155395",
            "telephone_number": "617-632-9755"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DEMIRHAN",
        "first_name": "MEHMET",
        "middle_name": "ESAT",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2020-03-26",
        "last_updated": "2023-06-29",
        "certification_date": "2023-06-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "MA",
            "license": "1016140",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Boston, MA

Sources for this page

Verify at the official NPI Registry.