DR. MATTHEW ANTHONY DIAMOND MD
NPI 1770044778
Internal Medicine - Medical Oncology in Newark, DE

Active since March 31, 2019PECOS EnrolledAccepts Medicare Assignment
4755 OGLETOWN STANTON ROAD, SUITE 5A43, NEWARK, DE 19718(302) 623-0188(302) 733-5640 Get Directions Write a Review

NPPES record last updated: January 21, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jan 21, 2026, Sep 24, 2024 (2 updates tracked since 2024).

About Dr. Matthew Anthony Diamond Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MATTHEW ANTHONY DIAMOND MD (NPI 1770044778) is an individual medical oncology provider in Newark, Delaware, licensed in Pennsylvania (MD491702) and active in the NPI registry since March 2019. He is enrolled in Medicare PECOS, is affiliated with St Luke's Warren Hospital, and maintains a secondary practice location in Easton.

NPPES Registry Identity

NPI1770044778
Entity TypeIndividualMale
Primary Taxonomy207RX0202X
Provider Legal NameDR. MATTHEW ANTHONY DIAMONDCredential: MD
Location Address4755 OGLETOWN STANTON ROAD, SUITE 5A43Newark, DE 19718-2200
Mailing Address1600 St Lukes BlvdEaston, PA 18045-5671
Fax(302) 733-5640
Sole ProprietorYes
Medical School CMSOtherGraduated 2019
Enumeration DateMarch 31, 2019
Last NPPES UpdateJanuary 21, 20262 updates tracked since enumeration
NPPES CertifiedJanuary 21, 2026
NPI 1770044778 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal Medicine · Medical OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RX0202X
License Licensed in PA · MD491702
Definition
An internist who specializes in the diagnosis and treatment of all types of cancer and other benign and malignant tumors. This specialist decides on and administers therapy for these malignancies as well as consults with surgeons and radiotherapists on other treatments for cancer.
Also ListedInternal MedicineTaxonomy 207R00000X · License C1-0025066 (DE)
4755 OGLETOWN STANTON ROAD, Newark, DE 19718

Secondary Practice Location 1

Location 11600 St Lukes BlvdEaston, PA 18045-5671 · Phone (484) 658-5758

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Matthew Anthony Diamond Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7911236302
PECOS Enrollment IDI20220810002868, I20250926000994
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
39 services39 patients
Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 99221
Initial hospital inpatient care refers to the first day of your stay in the hospital. This service typically includes a 30-minute check-up with a healthcare professional. They'll assess your health, discuss your condition, and plan your treatment. It's part of ensuring you receive the best possible care.
20 services20 patients

Hospital Affiliations CMS Care Compare 4

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

St Luke's Warren Hospital

Acute Care Hospitals · Phillipsburg, NJ
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number310060
Location185 Roseberry StPhillipsburg, NJ 08865 · Warren County
Emergency services

St Luke's Hospital Bethlehem

Acute Care Hospitals · Bethlehem, PA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number390049
Location801 Ostrum StreetBethlehem, PA 18015 · Northampton County
Emergency services Birthing friendly

St Luke's Hospital - Monroe Campus

Acute Care Hospitals · Stroudsburg, PA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number390330
Location100 St Luke's LaneStroudsburg, PA 18360 · Monroe County
Emergency services

St Luke's Hospital - Carbon Campus

Acute Care Hospitals · Lehighton, PA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number390335
Location500 St Luke's DriveLehighton, PA 18235 · Carbon County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 19718 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$173.08 typical visit price
range $57.12 – $173.08
Typical copayment $43.27 (range $14.28 – $43.27)
Most-billed visit code 99205
Established Patient
$100.68 typical visit price
range $18.36 – $141.05
Typical copayment $25.17 (range $4.59 – $35.26)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Internal Medicine
4755 OGLETOWN STANTON ROAD, SUITE 5A43
NEWARK, DE 19718
Hospitalist
4755 OGLETOWN STANTON ROAD, SUITE 5A43
NEWARK, DE 19718
Emergency Medicine
4755 OGLETOWN STANTON ROAD
NEWARK, DE 19718
Clinical Nurse Specialist (Neonatal)
4755 OGLETOWN STANTON ROAD, NEONATAL INTENSIVE CARE UNIT
NEWARK, DE 19718
Hospitalist
4755 OGLETOWN STANTON ROAD, SUITE 5A43
NEWARK, DE 19718
Internal Medicine (Cardiovascular Disease)
4755 OGLETOWN STANTON ROAD, CHRISTIANA CARE HOSPITAL
NEWARK, DE 19718
Internal Medicine
4755 OGLETOWN STANTON ROAD, SUITE 5A43
NEWARK, DE 19718
Physician Assistant
4755 OGLETOWN STANTON ROAD, 3RD FLOOR
NEWARK, DE 19718

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Matthew Diamond's NPI number?

The NPI number for Matthew Diamond is 1770044778. It was assigned to this individual provider in the NPPES registry on March 31, 2019.

Where is Matthew Diamond located?

Matthew Diamond practices at 4755 Ogletown Stanton Road Suite 5a43, Newark, DE 19718. The listed phone number is (302) 623-0188.

What is Matthew Diamond's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Medical Oncology, with taxonomy code 207RX0202X.

Is Matthew Diamond enrolled in Medicare?

Yes. Matthew Diamond is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Matthew Diamond affiliated with any hospitals?

According to CMS data, Matthew Diamond is affiliated with St Luke's Warren Hospital, St Luke's Hospital Bethlehem, St Luke's Hospital - Monroe Campus and St Luke's Hospital - Carbon Campus.

When was this NPI record last updated?

The NPPES record for Matthew Diamond was last updated on January 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.