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

Dr. Timothy Michael Heyden, MD

Individual provider Internal Medicine Physician · NPI 1427012467

Dr. Timothy Michael Heyden, MD is an Internal Medicine in Williamsville, New York. Qualified in 1991, 35 years ago. Practices with Maple Internal Medicine and Pediatrics PLLC, an 8-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
35
Licensed in
NY
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

1835 Maple Rd
Williamsville, NY 14221-2711
Phone: (716) 634-1908
Fax: (716) 634-0430
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 196974 (NY)
Pediatrics Physician Taxonomy 208000000X · Licence 196974 (NY)

Record details

NPI number1427012467
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 14, 2006
Last updated in NPPESJanuary 21, 2010

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1991 (35 years in practice)
Group practice Maple Internal Medicine And Pediatrics Pllc — 8 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Williamsville