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

Dr. William M Long, DO

Individual provider Obstetrics & Gynecology Physician · NPI 1558357608

Dr. William M Long, DO is an Obstetrics & Gynecology Physician in Cadillac, Michigan. Licensed in Georgia, Michigan, Texas and Wisconsin. Registered with an NPI since 2005.

Licensed in
GA, MI, TX, WI
In the registry since
2005
Specialties on file
4
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

7800 US 131 S Ste C
Cadillac, MI 49601-8437
Phone: (231) 779-1167
Fax: (231) 779-1175
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Obstetrics & Gynecology Physician (primary) Taxonomy 207V00000X · Licence WL006859 (MI)
Obstetrics & Gynecology Physician Taxonomy 207V00000X · Licence 30958 (WI)
Obstetrics & Gynecology Physician Taxonomy 207V00000X · Licence E4488 (TX)
Obstetrics & Gynecology Physician Taxonomy 207V00000X · Licence 021740 (GA)

Record details

NPI number1558357608
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedSeptember 23, 2005
Last updated in NPPESJanuary 3, 2019
Mailing address7800 Us 131 S Ste C, Cadillac, MI 49601-7080

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