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

Byron Rolf Hissom Jr., MD

Individual provider Internal Medicine Physician · NPI 1780653659

Byron Rolf Hissom Jr., MD is an Internal Medicine in Muskegon, Michigan. Graduated from Jc Edwards School of Medicine, Marshall University in 1988, 38 years ago. Practices with Trinity Health Grand Haven Hospital, a 10-clinician group and accepts Medicare assignment. Licensed in Michigan.

Years since qualifying
38
Trained at
Jc Edwards School of Medicine, Marshall University
Licensed in
MI
In the registry since
2006
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

1500 E Sherman Blvd
Muskegon, MI 49444-1849
Phone: (231) 672-3883
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence 4301061003 (MI)
Internal Medicine Physician Taxonomy 207R00000X · Licence 4301061003 (MI)

Record details

NPI number1780653659
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 14, 2006
Last updated in NPPESApril 23, 2022
Certification dateApril 23, 2022

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolJC EDWARDS SCHOOL OF MEDICINE, MARSHALL UNIVERSITY
Graduated 1988 (38 years in practice)
Group practice Trinity Health Grand Haven Hospital — 10 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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