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

Mason Zachary Day, DO

Individual provider Internal Medicine Physician · NPI 1225657208

Mason Zachary Day, DO is an Internal Medicine in Clinton, North Carolina. Graduated from Lake Erie College of Osteopathic Medicine, Erie in 2020, 6 years ago. Practices with Usacs Integrated Acute Care Services of North Carolina, PLLC, a 87-clinician group and accepts Medicare assignment. Licensed in North Carolina.

Years since qualifying
6
Trained at
Lake Erie College of Osteopathic Medicine, Erie
Licensed in
NC
In the registry since
2020
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

607 Beaman St
Clinton, NC 28328-2603
Phone: (910) 592-8511
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 2021-02917 (NC)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X · Licence 262144 (NC)

Record details

NPI number1225657208
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedApril 10, 2020
Last updated in NPPESJuly 7, 2023
Certification dateJuly 7, 2023

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolLAKE ERIE COLLEGE OF OSTEOPATHIC MEDICINE, ERIE
Graduated 2020 (6 years in practice)
Group practice Usacs Integrated Acute Care Services Of North Carolina, Pllc — 87 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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