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

Gregory Downing, MD, DO

Individual provider Neonatal-Perinatal Medicine Physician · NPI 1285656454

Gregory Downing, MD, DO is a Neonatal-Perinatal Medicine Physician in Silver Spring, Maryland. Licensed in Maryland and North Dakota. Registered with an NPI since 2006.

Licensed in
MD, ND
In the registry since
2006
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Practice location Address checks out

1500 Forest Glen Rd
Silver Spring, MD 20910-1483
Phone: (240) 364-2510
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Neonatal-Perinatal Medicine Physician (primary) Taxonomy 2080N0001X · Licence H45952 (MD)
Neonatal-Perinatal Medicine Physician Taxonomy 2080N0001X · Licence 21885 (ND)
Specialist Taxonomy 174400000X · Licence H45952 (MD)

Record details

NPI number1285656454
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , DO
Sole proprietorNo
NPI enumeratedJuly 24, 2006
Last updated in NPPESDecember 14, 2024
Certification dateDecember 14, 2024
Mailing addressPo Box 5074, Sioux Falls, SD 57117-5074

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