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

John Emmanuel Markantonis, DO

Individual provider Anatomic Pathology & Clinical Pathology Physician · NPI 1720527864

John Emmanuel Markantonis, DO is a Pathology in Greenville, North Carolina. Qualified in 2017, 9 years ago. Practices with East Carolina University, a 498-clinician group and accepts Medicare assignment. Licensed in North Carolina and Texas.

Years since qualifying
9
Licensed in
NC, TX
In the registry since
2017
Specialties on file
4
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

600 Moye Blvd
Greenville, NC 27834-4300
Phone: (252) 744-2803
Fax: (252) 744-3616
Show map & directions

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

Specialties & licences

Anatomic Pathology & Clinical Pathology Physician (primary) Taxonomy 207ZP0102X · Licence 2022-03036 (NC)
Medical Microbiology Physician Taxonomy 207ZM0300X · Licence 2022-03036 (NC)
Clinical Pathology Physician Taxonomy 207ZC0006X · Licence 2022-03036 (NC)
General Practice Physician Taxonomy 208D00000X · Licence T4423 (TX)

Record details

NPI number1720527864
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorYes
NPI enumeratedFebruary 22, 2017
Last updated in NPPESJuly 10, 2026
Certification dateJuly 10, 2026

Medicare enrollment

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

Medicare specialtyPATHOLOGY
Medical schoolOTHER
Graduated 2017 (9 years in practice)
Group practice East Carolina University — 498 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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