Individual provider Active NPI

Heather Ellyn Greenberg, M.D.

  • Endocrinology, Diabetes & Metabolism Physician
  • Morristown, NJ
National Provider Identifier
1407121684
Registry record updated Feb 16, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Endocrinology, Diabetes & Metabolism PhysicianTaxonomy code 207RE0101X
License
25MA10078300 Issued in NJ
Practice address
95 Madison Ave
Morristown, NJ 07960-6092
Phone
(973) 775-5115
Fax
(973) 285-7617
NPI assigned
Mar 20, 2012
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 2

Specialty (taxonomy)CodeLicenseStatePrimary
Endocrinology, Diabetes & Metabolism Physician 207RE0101X 25MA10078300 NJ Primary
Internal Medicine Physician 207R00000X 25MA10078300 NJ

Addresses

Primary practice location

95 Madison Ave
Morristown, NJ 07960-6092

Mailing address

550 1St Ave
New York, NY 10016-6402
Phone (646) 929-7870

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
I20170828000800 NJ Practitioner - Endocrinology 3678845500 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Endocrinology
Education
Albert Einstein College of Medicine of Yeshiva University, 2012
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

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
25MA10078300NJMDEndocrinology, Diabetes & Metabolism Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Summit Medical Group PA CurrentSince Aug 1, 2017 Accepting new patients
Summit Medical Group PA CurrentSince Aug 1, 2017 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

95 Madison Ave
Morristown, NJ 07960
Phone (973) 267-1010

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

Interoperability endpoints

  • Direct secure messaging: heather.greenberg.1@2983.direct.athenahealth.com

Organizations & group practices 3

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": "1332201600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1771200000000",
    "number": "1407121684",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "550 1ST AVE",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100166402",
            "telephone_number": "646-929-7870"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "95 MADISON AVE",
            "city": "MORRISTOWN",
            "state": "NJ",
            "postal_code": "079606092",
            "telephone_number": "973-775-5115",
            "fax_number": "973-285-7617"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GREENBERG",
        "first_name": "HEATHER",
        "middle_name": "ELLYN",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2012-03-20",
        "last_updated": "2026-02-16",
        "certification_date": "2026-02-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RE0101X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Endocrinology, Diabetes & Metabolism",
            "state": "NJ",
            "license": "25MA10078300",
            "primary": true
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NJ",
            "license": "25MA10078300",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Morristown, NJ

Sources for this page

Verify at the official NPI Registry.