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

Stewart Kaplan, MD

Individual provider Allergy & Immunology Physician · NPI 1275644023

Stewart Kaplan, MD is an Allergy/Immunology in Massapequa, New York. Qualified in 1975, 51 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in New York.

Years since qualifying
51
Licensed in
NY
In the registry since
2006
Specialties on file
4
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

20 Hicksville Rd Ste 6
Massapequa, NY 11758-5819
Phone: (516) 541-8035
Fax: (516) 541-8084
Show map & directions

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

Specialties & licences

Pediatrics Physician (primary) Taxonomy 208000000X · Licence 136197 (NY)
Allergy & Immunology Physician Taxonomy 207K00000X · Licence 136197 (NY)
Allergy Physician Taxonomy 207KA0200X · Licence 136197 (NY)
Pediatric Allergy/Immunology Physician Taxonomy 2080P0201X · Licence 136197 (NY)

Record details

NPI number1275644023
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedAugust 31, 2006
Last updated in NPPESSeptember 11, 2025
Mailing address20 Hicksville Rd, Suite 6, Massapequa, NY 11758-5819

Medicare enrollment

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

Medicare specialtyALLERGY/IMMUNOLOGY
Also practisesPEDIATRIC MEDICINE
Medical schoolOTHER
Graduated 1975 (51 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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