Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Justin Gregory Peacock, MD, PHD

Individual provider Nuclear Medicine Physician · NPI 1336563493

Dr. Justin Gregory Peacock, MD, PHD is a Nuclear Medicine Physician in Bethesda, Maryland. Works from 5 locations. Licensed in Michigan, Nebraska and Pennsylvania.

Licensed in
MI, NE, PA
In the registry since
2014
Specialties on file
5
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

8901 Rockville Pike
Bethesda, MD 20889-0001
Phone: (301) 295-9151
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (4)

  • 4660 S Hagadorn Rd Ste 510, East Lansing, MI 48823-6805 — (517) 353-5053
  • 4660 S Hagadorn Rd Ste 410, East Lansing, MI 48823-6819 — (517) 353-5053
  • 3220 Discovery Dr Ste 100, Lansing, MI 48910-8609 — (517) 975-8930
  • 20 Expedition Trl Ste 103, Gettysburg, PA 17325-8599 — (717) 337-5991

Specialties & licences

Diagnostic Radiology Physician (primary) Taxonomy 2085R0202X · Licence 28970 (NE)
Nuclear Medicine Physician Taxonomy 207U00000X · Licence MD485441 (PA)
Nuclear Medicine Physician Taxonomy 207U00000X · Licence 4301512179 (MI)
Diagnostic Radiology Physician Taxonomy 2085R0202X · Licence MD485441 (PA)
Nuclear Medicine Physician Taxonomy 207U00000X · Licence 28970 (NE)

Record details

NPI number1336563493
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , PHD
Sole proprietorNo
NPI enumeratedFebruary 10, 2014
Last updated in NPPESMay 6, 2026
Certification dateMay 6, 2026

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