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

Individual provider Emergency Medicine Physician · NPI 1851975429

Dr. Jack Douglas Dehaan, MD is an Emergency Medicine in Grand Blanc, Michigan. Qualified in 2020, 6 years ago. Practices with Cep America LLC, a 985-clinician group and accepts Medicare assignment. Licensed in Indiana and Michigan.

Years since qualifying
6
Licensed in
IN, MI
In the registry since
2021
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

1 Genesys Pkwy
Grand Blanc, MI 48439-8065
Phone: (810) 606-6372
Fax: (810) 606-5990
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 01096929A (IN)
Emergency Medicine Physician Taxonomy 207P00000X · Licence 4351048260 (MI)

Record details

NPI number1851975429
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 10, 2021
Last updated in NPPESSeptember 3, 2025
Certification dateSeptember 3, 2025

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolOTHER
Graduated 2020 (6 years in practice)
Group practice Cep America Llc — 985 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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