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

Dr. Matthew Mass, DO

Individual provider Emergency Medicine Physician · NPI 1780244061

Dr. Matthew Mass, DO is an Emergency Medicine in York, Pennsylvania. Graduated from Midwestern University, Chicago College of Osteopathic Med in 2019, 7 years ago. Practices with Cep America- Arizona, PC, a 88-clinician group and accepts Medicare assignment. Licensed in Arizona and Pennsylvania.

Years since qualifying
7
Trained at
Midwestern University, Chicago College of Osteopathic Med
Licensed in
AZ, PA
In the registry since
2019
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

1001 S George St
York, PA 17403-3676
Phone: (717) 851-2311
Show map & directions

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

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence OT019498 (PA)
Emergency Medicine Physician Taxonomy 207P00000X · Licence 011206 (AZ)

Record details

NPI number1780244061
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedJune 18, 2019
Last updated in NPPESJanuary 30, 2025
Certification dateJanuary 30, 2025
Mailing address1001 S George St, York, PA 17403-3676

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolMIDWESTERN UNIVERSITY, CHICAGO COLLEGE OF OSTEOPATHIC MED
Graduated 2019 (7 years in practice)
Group practice Cep America- Arizona, Pc — 88 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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