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

Dr. Marsha Alexander, DO

Individual provider Child & Adolescent Psychiatry Physician · NPI 1508059056

Dr. Marsha Alexander, DO is a Child & Adolescent Psychiatry Physician in Commack, New York. Practices as a sole proprietor. Licensed in New York.

Licensed in
NY
In the registry since
2007
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.

See every abbreviation used in this directory →

Practice location Address checks out

356 Veterans Memorial Hwy Ste Number 6
Commack, NY 11725-4343
Phone: (516) 779-3300
Show map & directions

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

Specialties & licences

Child & Adolescent Psychiatry Physician (primary) Taxonomy 2084P0804X · Licence 237852 (NY)

Record details

NPI number1508059056
Entity typeIndividual (Type 1)
GenderFemale
Credentials DO
Sole proprietorYes
NPI enumeratedAugust 18, 2007
Last updated in NPPESAugust 18, 2007

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