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

Individual provider Internal Medicine Physician · NPI 1417964552

Diane Marie Howlin, MD is an Internal Medicine Physician in Chelsea, Michigan. Practices as a sole proprietor. Licensed in Michigan.

Licensed in
MI
In the registry since
2006
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

1620 Commerce Park Dr Ste 100
Chelsea, MI 48118-1620
Phone: (734) 475-2921
Fax: (734) 475-2945
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 4301052421 (MI)

Record details

NPI number1417964552
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedAugust 2, 2006
Last updated in NPPESJuly 8, 2007

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