Individual provider Active NPI

Christian Mewaldt

  • Internal Medicine Physician
  • Cambridge, MA
National Provider Identifier
1578952255
Registry record updated Jul 12, 2018
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
2730404 Issued in MA
Practice address
90 Hancock St Apt 3
Cambridge, MA 02139
Phone
(304) 544-8747
NPI assigned
Jan 17, 2015
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jul 12, 2018

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 2730404 MA Primary

Addresses

Primary practice location

90 Hancock St Apt 3
Cambridge, MA 02139

Mailing address

1943 W Ohio St
Apt 2F
Chicago, IL 60622-5508
Phone (304) 544-8747

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
I20180516001886 MA Practitioner - HospitalistPractitioner - Internal Medicine 0648588830 Reassigns benefits to 4 organizations

Care Compare profile

Medicare Care Compare
Specialty
HospitalistAlso: Internal Medicine
Education
Northwestern University Feinberg Medical School, 2015
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices

Practice addresses (Care Compare)

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
2730404MAMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Harvard Medical Faculty Phys at Beth Israel Deaconess Med Ctr Inc Internal Medicine CurrentSince Sep 1, 2025 Accepting new patients
Beth Israel Deaconess Medical Center, Inc. CurrentSince Sep 1, 2025 Accepting new patients
The General Hospital Corporation CurrentSince Jul 1, 2018 Accepting new patients
Beth Israel Deaconess Medical Center, Inc. CurrentSince Sep 1, 2025 Accepting new patients
Harvard Medical Faculty Phys at Beth Israel Deaconess Med Ctr Inc CurrentSince Sep 1, 2025 Accepting new patients
Massachusetts General Physicians Organization Inc Internal Medicine CurrentSince Jul 1, 2018 Accepting new patients
Harvard Medical Faculty Phys at Beth Israel Deaconess Med Ctr Inc Past Accepting new patients

Locations

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

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

55 Fruit St
Boston, MA 02114

330 Brookline Ave
#7
Boston, MA 02215
Phone (617) 632-7483

Interoperability endpoints

  • Direct secure messaging: cmewaldt255442@direct.bilh.masshiway.net

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 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": "1421452800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1531353600000",
    "number": "1578952255",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1943 W OHIO ST",
            "address_2": "APT 2F",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606225508",
            "telephone_number": "304-544-8747"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "90 HANCOCK ST APT 3",
            "city": "CAMBRIDGE",
            "state": "MA",
            "postal_code": "02139",
            "telephone_number": "304-544-8747"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MEWALDT",
        "first_name": "CHRISTIAN",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2015-01-17",
        "last_updated": "2018-07-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MA",
            "license": "2730404",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Cambridge, MA

Sources for this page

Verify at the official NPI Registry.