Individual provider Active NPI

Matthew Anthony Diamond, MD

  • Medical Oncology Physician
  • Newark, DE
National Provider Identifier
1770044778
Registry record updated Jan 21, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Medical Oncology PhysicianTaxonomy code 207RX0202X
License
MD491702 Issued in PA
Practice address
4755 Ogletown Stanton Road
Suite 5A43
Newark, DE 19718-2200
Phone
(302) 623-0188
Fax
(302) 733-5640
NPI assigned
Mar 31, 2019
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jan 21, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Medical Oncology Physician 207RX0202X MD491702 PA Primary
Internal Medicine Physician 207R00000X C1-0025066 DE

Addresses

Primary practice location

4755 Ogletown Stanton Road
Suite 5A43
Newark, DE 19718-2200

Mailing address

1600 St Lukes Blvd
Easton, PA 18045-5671

Other practice location 1

1600 St Lukes Blvd
Easton, PA 18045-5671
Phone (484) 658-5758

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in DE, NY, PA3 enrollments
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 3

Enrollment IDStateProvider typePAC IDDetails
I20220810002868 DE Practitioner - Internal MedicinePractitioner - Hospitalist 7911236302 Reassigns benefits to 1 organization
I20230810000087 NY Practitioner - Internal Medicine 7911236302 Reassigns benefits to 1 organization
I20250926000994 PA Practitioner - Internal Medicine 7911236302 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Other, 2019
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
St Lukes Physician Group IncGroup PAC ID 6709798333, 2,161 clinicians
Christiana Care Health Services IncGroup PAC ID 9739097569, 1,480 clinicians

Practice addresses (Care Compare)

100 St Lukes LN
Stroudsburg, PA 18360-6217
Phone (484) 526-2200

100 St Lukes Way
Stroudsburg, PA 18360-6217
Phone (272) 212-1000

1021 Park Ave
Quakertown, PA 18951-0130

1600 St Lukes Blvd
Easton, PA 18045-5671

1736 Hamilton St
Allentown, PA 18104-5656
Phone (484) 526-8142

1736 W Hamilton St
Allentown, PA 18104-5656
Phone (610) 954-3571

1872 St Lukes Blvd
Easton, PA 18045-5669
Phone (484) 526-7800

200 St Lukes LN
Stroudsburg, PA 18360-6218

360 W Riddle St
Coaldale, PA 18218-1027

421 Chew St
Allentown, PA 18102-3406
Phone (484) 503-1018

421 W Chew St
Allentown, PA 18102-3406
Phone (610) 776-4959

4755 Ogletown Stanton Rd
Newark, DE 19718-2200
Phone (302) 623-0188

500 St Lukes Dr
Lehighton, PA 18235-5000
Phone (484) 526-2200

700 Lawn Ave
Sellersville, PA 18960-1548
Phone (484) 822-5700

801 Ostrm St
Bethlehem, PA 18015-1000

Hospital & facility affiliations

  • St Lukes Hospital Hospital, Bethlehem, PA, CCN 390049
  • St Luke'S Hospital - Monroe Campus Hospital, Stroudsburg, PA, CCN 390330
  • St Luke'S Warren Hospital Hospital, Phillipsburg, NJ, CCN 310060
  • St Luke'S Miners Memorial Hospital Hospital, Coaldale, PA, CCN 390183
  • St Luke'S Hospital - Carbon Campus Hospital, Lehighton, PA, CCN 390335

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
St Luke'S Physician Group Inc CurrentSince Aug 18, 2025 Accepting new patients
Christiana Care Health Services Inc Internal Medicine CurrentSince Jul 1, 2022 Accepting new patients
St. Luke'S Physician Group, Inc. CurrentSince Aug 18, 2025 Accepting new patients
Christiana Care Health Services Inc CurrentSince Jul 1, 2022 Accepting new patients
St. Luke'S Physician Group, Inc. Current Accepting new patients
North Shore-Lij Medical PC Internal Medicine CurrentSince Jun 30, 2023 Accepting new patients
St. Luke'S Physician Group, Inc Past Accepting new patients

Locations

4755 Ogletown Stanton Rd
Ste 5A43
Newark, DE 19718
Phone (302) 623-0188

1401 Foulk Rd
Ste 100B
Wilmington, DE 19803
Phone (302) 320-9440

1111 Marcus Ave
Ste M04
New Hyde Park, NY 11042
Phone (585) 736-3650

300 Community Dr
Plandome, NY 11030

475 Seaview Ave
Staten Island, NY 10305
Phone (718) 226-8855

1600 St Lukes Blvd
Easton, PA 18045
Phone (484) 503-4400

801 Ostrum St
Fountain Hill, PA 18015
Phone (610) 954-2200

3000 St Lukes Dr
Quakertown, PA 18951
Phone (215) 538-4500

Interoperability endpoints

  • Direct secure messaging: mdiamond354139@direct-sluhn.org

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 10

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": "1553990400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1768953600000",
    "number": "1770044778",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1600 ST LUKES BLVD",
            "city": "EASTON",
            "state": "PA",
            "postal_code": "180455671"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4755 OGLETOWN STANTON ROAD",
            "address_2": "SUITE 5A43",
            "city": "NEWARK",
            "state": "DE",
            "postal_code": "197182200",
            "telephone_number": "302-623-0188",
            "fax_number": "302-733-5640"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1600 St Lukes Blvd",
            "address_purpose": "LOCATION",
            "city": "Easton",
            "state": "PA",
            "postal_code": "180455671",
            "country_code": "US",
            "telephone_number": "484-658-5758",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "DIAMOND",
        "first_name": "MATTHEW",
        "middle_name": "ANTHONY",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2019-03-31",
        "last_updated": "2026-01-21",
        "certification_date": "2026-01-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RX0202X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Medical Oncology",
            "state": "PA",
            "license": "MD491702",
            "primary": true
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "DE",
            "license": "C1-0025066",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Newark, DE

Sources for this page

Verify at the official NPI Registry.