Individual provider Active NPI

Joshua P Metlay, MD

  • Internal Medicine Physician
  • Boston, MA
National Provider Identifier
1194820779
Registry record updated Jan 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
MD051465L Issued in PA
Practice address
15 Parkman St
Wang Ambulatory Care Center, 635
Boston, MA 02114-3117
Phone
(617) 724-4600
Fax
(617) 724-7799
NPI assigned
Sep 14, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jan 13, 2026

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 80995 MA
Internal Medicine Physician 207R00000X MD051465L PA Primary

Addresses

Primary practice location

15 Parkman St
Wang Ambulatory Care Center, 635
Boston, MA 02114-3117

Mailing address

15 Parkman St
Wang Ambulatory Care Center, 635
Boston, MA 02114-3117
Phone (617) 724-4600

Other practice location 1

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

Other practice location 2

1153 Centre St
Jamaica Plain, MA 02130-3446
Phone (617) 983-7000

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
I20131001000026 MA Practitioner - Internal Medicine 1850441833 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
JS Weill Medical College, Cornell University, 1991
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
The General Hospital CorporationGroup PAC ID 6507803806, 1,275 clinicians
Massachusetts General Physicians Organization IncGroup PAC ID 2466365820, 3,494 clinicians

Practice addresses (Care Compare)

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

55 Fruit St
Boston, MA 02114-2696
Phone (617) 724-0287

Hospital & facility affiliations

  • Massachusetts General Hospital Hospital, Boston, MA, CCN 220071
  • North Shore Medical Center - Hospital, Salem, MA, CCN 220035
  • Brigham and Women'S Hospital Hospital, Boston, MA, CCN 220110
  • Newton-Wellesley Hospital Hospital, Newton, MA, CCN 220101
  • Massachusetts Eye and Ear Infirmary - Hospital, Boston, MA, CCN 220075

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
MD051465LPAMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
General Hospital Corp Current Accepting new patients
Massachusetts General Physicians Organization Inc Internal Medicine CurrentSince Sep 12, 2013 Accepting new patients
The General Hospital Corporation CurrentSince Sep 12, 2013 Accepting new patients
Brigham & Womens Physicians Organization Inc Internal Medicine CurrentSince Jan 6, 2026 Accepting new patients

Locations

75 Francis St
Boston, MA 02115

55 Fruit St
Boston, MA 02114

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

15 Parkman St
#635
Boston, MA 02114
Phone (617) 724-4600

1153 Centre St
Jamaica Plain, MA 02130
Phone (617) 983-7000

Interoperability endpoints

  • Direct secure messaging: metlay.joshua.mgh@direct.partners.masshiway.net

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 5

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": "1158192000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1768262400000",
    "number": "1194820779",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "15 PARKMAN ST",
            "address_2": "WANG AMBULATORY CARE CENTER, 635",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021143117",
            "telephone_number": "617-724-4600",
            "fax_number": "617-724-7799"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "15 PARKMAN ST",
            "address_2": "WANG AMBULATORY CARE CENTER, 635",
            "city": "BOSTON",
            "state": "MA",
            "postal_code": "021143117",
            "telephone_number": "617-724-4600",
            "fax_number": "617-724-7799"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "75 Francis St",
            "address_purpose": "LOCATION",
            "city": "Boston",
            "state": "MA",
            "postal_code": "021156110",
            "country_code": "US",
            "telephone_number": "617-732-5500",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1153 Centre St",
            "address_purpose": "LOCATION",
            "city": "Jamaica Plain",
            "state": "MA",
            "postal_code": "021303446",
            "country_code": "US",
            "telephone_number": "617-983-7000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "METLAY",
        "first_name": "JOSHUA",
        "middle_name": "P",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-09-14",
        "last_updated": "2026-01-13",
        "certification_date": "2026-01-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MA",
            "license": "80995",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "PA",
            "license": "MD051465L",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Boston, MA

Sources for this page

Verify at the official NPI Registry.