Individual provider Active NPI

Mark Layer, M.D.

  • Emergency Medicine Physician
  • Boston, MA
National Provider Identifier
1033539655
Registry record updated May 14, 2018
On this page

Key facts

NPPES NPI Registry
Primary specialty
Emergency Medicine PhysicianTaxonomy code 207P00000X
License
270407 Issued in MA
Practice address
1 Deaconess Rd # CC2
Boston, MA 02215
Phone
(617) 754-2339
NPI assigned
Apr 22, 2014
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on May 14, 2018

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Emergency Medicine Physician 207P00000X 270407 MA Primary

Addresses

Primary practice location

1 Deaconess Rd # CC2
Boston, MA 02215

Mailing address

1 Deaconess Rd # CC2
Boston, MA 02215-5321
Phone (617) 754-2339

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
I20170712001912 MA Practitioner - Emergency Medicine 5496024184 Reassigns benefits to 5 organizations

Care Compare profile

Medicare Care Compare
Specialty
Emergency Medicine
Education
Other, 2014
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices

Practice addresses (Care Compare)

199 Reedsdale Rd
Milton, MA 02186-3926
Phone (617) 313-1615

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
270407MAMDEmergency Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Harvard Medical Faculty Phys at Beth Israel Deaconess Med Ctr Inc CurrentSince Sep 1, 2025 Accepting new patients
Associated Physicians of Harvard Medical Faculty Physicians at Beth Is CurrentSince Jul 1, 2017 Accepting new patients
Associated Physicians of Harvard Medical Faculty Physicians at Beth Is CurrentSince Jul 1, 2017 Accepting new patients
Beth Israel Deaconess Medical Center, Inc. CurrentSince Jul 1, 2017 Accepting new patients
Harvard Medical Faculty Phys at Beth Israel Deaconess Med Ctr Inc CurrentSince Jul 5, 2024 Accepting new patients
Harvard Medical Faculty Phys at Beth Israel Deaconess Med Ctr Inc Emergency Medicine CurrentSince Jul 1, 2017 Accepting new patients
Beth Israel Deaconess Medical Center, Inc. CurrentSince Jul 1, 2017 Accepting new patients

Locations

1 Deaconess Rd
#2
Boston, MA 02215
Phone (617) 754-2323

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

1 Deaconess Rd
Boston, MA 02215
Phone (617) 754-2323

910 Washington St
Dedham, MA 02026
Phone (781) 431-1333

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

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

Organizations & group practices 7

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 1

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": "1398124800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1526256000000",
    "number": "1033539655",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1 DEACONESS RD # CC2",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "022155321",
            "telephone_number": "617-754-2339"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1 DEACONESS RD # CC2",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "02215",
            "telephone_number": "617-754-2339"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LAYER",
        "first_name": "MARK",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2014-04-22",
        "last_updated": "2018-05-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "MA",
            "license": "270407",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Boston, MA

Sources for this page

Verify at the official NPI Registry.