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

Marc J Greenberger, MD

Individual provider Sleep Medicine (Internal Medicine) Physician · NPI 1831145747

Marc J Greenberger, MD is a Pulmonary Disease in Royal Oak, Michigan. Graduated from University of Michigan Medical School in 1989, 37 years ago. Practices with Greenberger Wu Dunn and Fields PLLC, a 4-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Michigan.

Years since qualifying
37
Trained at
University of Michigan Medical School
Licensed in
MI
In the registry since
2006
Specialties on file
2
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

30701 Woodward Ave Ste 200
Royal Oak, MI 48073-0990
Phone: (248) 548-2114
Fax: (248) 548-2135
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 4550 Investment Dr Ste 260, Troy, MI 48098-6362 — (248) 267-9370

Specialties & licences

Pulmonary Disease Physician (primary) Taxonomy 207RP1001X · Licence 430162321 (MI)
Sleep Medicine (Internal Medicine) Physician Taxonomy 207RS0012X · Licence 4301062321 (MI)

Record details

NPI number1831145747
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMay 25, 2006
Last updated in NPPESSeptember 12, 2024
Certification dateSeptember 12, 2024

Medicare enrollment

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

Medicare specialtyPULMONARY DISEASE
Also practisesCRITICAL CARE (INTENSIVISTS)
Medical schoolUNIVERSITY OF MICHIGAN MEDICAL SCHOOL
Graduated 1989 (37 years in practice)
Group practice Greenberger Wu Dunn And Fields Pllc — 4 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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