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

Timothy Helder, MD

Individual provider Internal Medicine Physician · NPI 1306888367

Timothy Helder, MD is an Internal Medicine in Greenville, Michigan. Graduated from Michigan State University College of Human Medicine in 2000, 26 years ago. Practices with Spectrum Health United, a 88-clinician group and accepts Medicare assignment. Licensed in Michigan.

Years since qualifying
26
Trained at
Michigan State University College of Human Medicine
Licensed in
MI
In the registry since
2006
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

707 S Greenville West Dr
Greenville, MI 48838-3514
Phone: (616) 754-3001
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 4301076614 (MI)

Record details

NPI number1306888367
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 12, 2006
Last updated in NPPESMarch 18, 2021
Certification dateMarch 18, 2021
Mailing address100 Michigan St Ne, Mc 845, Grand Rapids, MI 49503-2560

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesPEDIATRIC MEDICINE
Medical schoolMICHIGAN STATE UNIVERSITY COLLEGE OF HUMAN MEDICINE
Graduated 2000 (26 years in practice)
Group practice Spectrum Health United — 88 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in Greenville