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

Dr. Gregory Allan Holton Jr., MD

Individual provider Internal Medicine Physician · NPI 1194136556

Dr. Gregory Allan Holton Jr., MD is an Internal Medicine in Muskegon, Michigan. Graduated from Baylor College of Medicine in 2014, 12 years ago. Licensed in Michigan and Texas.

Years since qualifying
12
Trained at
Baylor College of Medicine
Licensed in
MI, TX
In the registry since
2014
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

1675 Leahy St Ste 201A
Muskegon, MI 49442-5542
Phone: (231) 672-7800
Fax: (231) 672-7801
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 4301116240 (MI)
Internal Medicine Physician Taxonomy 207R00000X · Licence BP10049459 (TX)

Record details

NPI number1194136556
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 19, 2014
Last updated in NPPESMay 11, 2020
Certification dateMay 11, 2020

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesGERIATRIC MEDICINE
Medical schoolBAYLOR COLLEGE OF MEDICINE
Graduated 2014 (12 years in practice)
Accepts Medicare assignment Not indicated
Practice locations2 on file with Medicare

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