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

Mr. James B Hayner, MD

Individual provider Internal Medicine Physician · NPI 1902965601

Mr. James B Hayner, MD is an Internal Medicine in Howell, Michigan. Graduated from Michigan State University College of Human Medicine in 1989, 37 years ago. Practices with Hayner Internal Medicine Associates, PLLC, a 2-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Michigan.

Years since qualifying
37
Trained at
Michigan State University College of Human Medicine
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.

See every abbreviation used in this directory →

Practice location Address checks out

1225 W Grand River Ave Ste 200
Howell, MI 48843-3970
Phone: (517) 273-9090
Fax: (517) 518-8629
Show map & directions

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

Specialties & licences

Sports Medicine (Internal Medicine) Physician (primary) Taxonomy 207RS0010X · Licence 4301054402 (MI)
Internal Medicine Physician Taxonomy 207R00000X · Licence 4301054402 (MI)

Record details

NPI number1902965601
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedDecember 8, 2006
Last updated in NPPESDecember 21, 2022
Certification dateDecember 21, 2022
Mailing addressPo Box 709, Pinckney, MI 48169-0709

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolMICHIGAN STATE UNIVERSITY COLLEGE OF HUMAN MEDICINE
Graduated 1989 (37 years in practice)
Group practice Hayner Internal Medicine Associates, Pllc — 2 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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