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

Mary G Mezher, DO

Individual provider Student in an Organized Health Care Education/Training Program · NPI 1124686365

Mary G Mezher, DO is an Internal Medicine in Muskegon, Michigan. Qualified in 2019, 7 years ago. Practices with Mercy Specialty Services, a 84-clinician group and accepts Medicare assignment. Licensed in Michigan.

Years since qualifying
7
Licensed in
MI
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 →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

1500 E Sherman Blvd
Muskegon, MI 49444-1849
Phone: (231) 672-3883
Fax: (231) 672-3973
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 5101026939 (MI)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1124686365
Entity typeIndividual (Type 1)
GenderFemale
Credentials DO
Sole proprietorNo
NPI enumeratedJune 3, 2019
Last updated in NPPESAugust 29, 2022
Certification dateAugust 29, 2022

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2019 (7 years in practice)
Group practice Mercy Specialty Services — 84 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Muskegon