Individual provider Active NPI

Mary Elisabeth Harris, M.D.

  • Pulmonary Disease Physician
  • Madison, NJ
National Provider Identifier
1669601910
Registry record updated Feb 16, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Pulmonary Disease PhysicianTaxonomy code 207RP1001X
License
25MA10266500 Issued in NJ
Practice address
300 Madison Ave FL 3
Madison, NJ 07940-1868
Phone
(973) 822-2772
NPI assigned
Jul 8, 2009
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Feb 16, 2026

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 253898 NY
Critical Care Medicine (Internal Medicine) Physician 207RC0200X 25MA10266500 NJ
Pulmonary Disease Physician 207RP1001X 25MA10266500 NJ Primary

Addresses

Primary practice location

300 Madison Ave FL 3
Madison, NJ 07940-1868

Mailing address

300 Madison Ave FL 3
Madison, NJ 07940-1868
Phone (973) 822-2772

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NJ
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
I20180316000511 NJ Practitioner - Pulmonary DiseasePractitioner - Critical Care (Intensivists) 3577609544 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Pulmonary DiseaseAlso: Critical Care (Intensivists)
Education
Temple University School of Medicine, 2006
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Summit Medical Group PAGroup PAC ID 5395642276, 1,204 clinicians

Practice addresses (Care Compare)

1 Diamond Hill Rd
Berkeley Heights, NJ 07922-2104
Phone (908) 273-4300

Hospital & facility affiliations

  • Cooperman Barnabas Medical Center Hospital, Livingston, NJ, CCN 310076
  • Morristown Medical Center Hospital, Morristown, NJ, CCN 310015

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
253898NYMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Summit Medical Group PA CurrentSince Jan 30, 2018 Accepting new patients
Summit Medical Group PA CurrentSince Jan 30, 2018 Accepting new patients
Bimc Faculty Practice Past Accepting new patients
Summit Medical Group, Inc Internal Medicine Past Accepting new patients

Locations

1 Diamond Hill Rd
Berkeley Heights, NJ 07922
Phone (908) 277-8868

150 Floral Ave
New Providence, NJ 07974
Phone (908) 588-3890

Interoperability endpoints

  • Direct secure messaging: mharris249373@epicdirect.rwjbh.org
  • Direct secure messaging: mary.harris.1@2983.direct.athenahealth.com

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 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": "1247011200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1771200000000",
    "number": "1669601910",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "300 MADISON AVE FL 3",
            "city": "MADISON",
            "state": "NJ",
            "postal_code": "079401868",
            "telephone_number": "973-822-2772"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "300 MADISON AVE FL 3",
            "city": "MADISON",
            "state": "NJ",
            "postal_code": "079401868",
            "telephone_number": "973-822-2772"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HARRIS",
        "first_name": "MARY",
        "middle_name": "ELISABETH",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2009-07-08",
        "last_updated": "2026-02-16",
        "certification_date": "2026-02-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NY",
            "license": "253898",
            "primary": false
        },
        {
            "code": "207RC0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Critical Care Medicine",
            "state": "NJ",
            "license": "25MA10266500",
            "primary": false
        },
        {
            "code": "207RP1001X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Pulmonary Disease",
            "state": "NJ",
            "license": "25MA10266500",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Madison, NJ

Sources for this page

Verify at the official NPI Registry.