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

Matthew Massaro, DO

Individual provider Internal Medicine Physician · NPI 1710069943

Matthew Massaro, DO is a Hospitalist in Dover, Delaware. Graduated from Philadelphia College of Osteopathic Medicine in 2003, 23 years ago. Practices with Apogee Medical Group Delaware Inc, a 94-clinician group and accepts Medicare assignment. Licensed in Delaware and Pennsylvania.

Years since qualifying
23
Trained at
Philadelphia College of Osteopathic Medicine
Licensed in
DE, PA
In the registry since
2006
Specialties on file
2
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Practice location Address checks out

640 S State St
Dover, DE 19901-3530
Phone: (302) 744-7581
Fax: (302) 744-7332
Show map & directions

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

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence C2-0013015 (DE)
Internal Medicine Physician Taxonomy 207R00000X · Licence OS013166 (PA)

Record details

NPI number1710069943
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorYes
NPI enumeratedOctober 19, 2006
Last updated in NPPESJuly 5, 2022
Certification dateJuly 5, 2022
Mailing address287 Raven Cir, Camden Wyoming, DE 19934-4034

Medicare enrollment

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

Medicare specialtyHOSPITALIST
Also practisesINTERNAL MEDICINE
Medical schoolPHILADELPHIA COLLEGE OF OSTEOPATHIC MEDICINE
Graduated 2003 (23 years in practice)
Group practice Apogee Medical Group Delaware Inc — 94 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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