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

Derrick Williamson, DO

Individual provider General Practice Physician · NPI 1215922059

Derrick Williamson, DO is a Family Practice in Southfield, Michigan. Graduated from Michigan State University College of Osteopathic Medicine in 1985, 41 years ago. Accepts Medicare assignment. Licensed in Michigan.

Years since qualifying
41
Trained at
Michigan State University College of Osteopathic Medicine
Licensed in
MI
In the registry since
2005
Specialties on file
2
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

20755 Greenfield Rd Ste 100
Southfield, MI 48075-5400
Phone: (947) 282-5009
Fax: (248) 809-2319
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 5101009333 (MI)
General Practice Physician Taxonomy 208D00000X · Licence DW009333 (MI)

Record details

NPI number1215922059
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedSeptember 19, 2005
Last updated in NPPESNovember 2, 2022
Certification dateNovember 2, 2022
Mailing address20755 Greenfield Rd Ste 100, Southfield, MI 48075-5400

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolMICHIGAN STATE UNIVERSITY COLLEGE OF OSTEOPATHIC MEDICINE
Graduated 1985 (41 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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