Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Matthew Anthony Diamond, MD

Individual provider Medical Oncology Physician · NPI 1770044778

Dr. Matthew Anthony Diamond, MD is an Internal Medicine in Newark, Delaware. Qualified in 2019, 7 years ago. Practices with St Lukes Physician Group Inc, a 2,127-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in Delaware and Pennsylvania.

Years since qualifying
7
Licensed in
DE, PA
In the registry since
2019
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

4755 Ogletown Stanton Rd Ste 5A43
Newark, DE 19718-2200
Phone: (302) 623-0188
Fax: (302) 733-5640
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

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

Specialties & licences

Medical Oncology Physician (primary) Taxonomy 207RX0202X · Licence MD491702 (PA)
Internal Medicine Physician Taxonomy 207R00000X · Licence C1-0025066 (DE)

Record details

NPI number1770044778
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMarch 31, 2019
Last updated in NPPESJanuary 21, 2026
Certification dateJanuary 21, 2026
Mailing address1600 St Lukes Blvd, Easton, PA 18045-5671

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2019 (7 years in practice)
Group practice St Lukes Physician Group Inc — 2127 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations16 on file with Medicare

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