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

Dr. Marshall Barnett Sack, DO

Individual provider Family Medicine Physician · NPI 1629071170

Dr. Marshall Barnett Sack, DO is a General Practice in Novi, Michigan. Graduated from Michigan State University College of Human Medicine in 1978, 48 years ago. Accepts Medicare assignment and offers telehealth. Licensed in Michigan.

Years since qualifying
48
Trained at
Michigan State University College of Human Medicine
Licensed in
MI
In the registry since
2005
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

39500 W 10 Mile Rd Ste 100
Novi, MI 48375-2947
Phone: (248) 476-0035
Fax: (248) 476-2418
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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 5101007596 (MI)

Record details

NPI number1629071170
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedMay 28, 2005
Last updated in NPPESApril 26, 2010
Mailing address39500 W 10 Mile Rd, Ste. 100, Novi, MI 48375-2947

Medicare enrollment

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

Medicare specialtyGENERAL PRACTICE
Medical schoolMICHIGAN STATE UNIVERSITY COLLEGE OF HUMAN MEDICINE
Graduated 1978 (48 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

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