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

Individual provider Gynecology Physician · NPI 1588617849

Douglas Martin Portz, MD is a Gynecology Physician in Chelsea, Michigan. Licensed in Michigan. Registered with an NPI since 2006.

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

775 S Main St
Chelsea, MI 48118-1370
Phone: (734) 475-3979
Fax: (734) 475-3986
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Gynecology Physician (primary) Taxonomy 207VG0400X · Licence DP049712 (MI)

Record details

NPI number1588617849
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 18, 2006
Last updated in NPPESJuly 13, 2026

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