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

Joseph A Zacharias, MD

Individual provider Internal Medicine Physician · NPI 1881847572

Joseph A Zacharias, MD is a Hospitalist in Marietta, Ohio. Qualified in 2005, 21 years ago. Practices with Mhc Physicians Inc, a 15-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Ohio.

Years since qualifying
21
Licensed in
OH
In the registry since
2008
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

401 Matthew St
Marietta, OH 45750-1635
Phone: (740) 374-7700
Fax: (740) 374-7701
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 1106 Colegate Dr, Marietta, OH 45750-1323 — (740) 568-2000
  • 314 S Wells St, Sistersville, WV 26175-1098 — (304) 652-2611

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 35.095854 (OH)
Hospitalist Physician Taxonomy 208M00000X · Licence 35095854 (OH)

Record details

NPI number1881847572
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedOctober 28, 2008
Last updated in NPPESJuly 22, 2021
Certification dateJuly 22, 2021

Medicare enrollment

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

Medicare specialtyHOSPITALIST
Also practisesINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2005 (21 years in practice)
Group practice Mhc Physicians Inc — 15 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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