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

Dr. Marjorie J. Isdith, DO

Individual provider Family Medicine Physician · NPI 1205831435

Dr. Marjorie J. Isdith, DO is a Family Medicine Physician in Massapequa, New York. Practices as a sole proprietor. Licensed in New York.

Licensed in
NY
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.

See every abbreviation used in this directory →

Practice location Address checks out

20 Hicksville Rd
Massapequa, NY 11758
Phone: (516) 795-5700
Fax: (516) 795-5701
Show map & directions

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

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 197492 (NY)

Record details

NPI number1205831435
Entity typeIndividual (Type 1)
GenderFemale
Credentials DO
Sole proprietorYes
NPI enumeratedJune 15, 2005
Last updated in NPPESApril 24, 2008

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