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

Benjamin John Diaczok I, MD

Individual provider Internal Medicine Physician · NPI 1760480834

Benjamin John Diaczok I, MD is an Internal Medicine in Pontiac, Michigan. Graduated from Wayne State University School of Medicine in 1985, 41 years ago. Practices with Iha Ooma Primary LLC, a 44-clinician group, works from 3 locations, accepts Medicare assignment and offers telehealth. Licensed in Michigan.

Years since qualifying
41
Trained at
Wayne State University School of Medicine
Licensed in
MI
In the registry since
2005
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

44428 Woodward Ave Ste 102
Pontiac, MI 48341-5009
Phone: (248) 858-3126
Fax: (248) 858-6499
Show map & directions

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

Additional practice locations (2)

  • 44405 Woodward Ave, Pontiac, MI 48341-5023 — (248) 858-3000
  • 22255 Greenfield Rd, Southfield, MI 48075-3710 — (248) 849-2850

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 4301050499 (MI)

Record details

NPI number1760480834
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 12, 2005
Last updated in NPPESApril 3, 2025
Certification dateApril 3, 2025

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesHOSPITALIST
Medical schoolWAYNE STATE UNIVERSITY SCHOOL OF MEDICINE
Graduated 1985 (41 years in practice)
Group practice Iha Ooma Primary Llc — 44 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

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