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

Dr. Daniel Mark Siegel, MD

Individual provider Dermatology Physician · NPI 1679532907

Dr. Daniel Mark Siegel, MD is a Dermatology Physician in Smithtown, New York. Licensed in New York. Registered with an NPI since 2006.

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.

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Practice location Address checks out

994 W Jericho Tpke Ste 103
Smithtown, NY 11787-3235
Phone: (631) 864-6647
Fax: (631) 864-6001
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

MOHS-Micrographic Surgery Physician (primary) Taxonomy 207ND0101X · Licence 150510 (NY)
Dermatology Physician Taxonomy 207N00000X · Licence 150510 (NY)
Procedural Dermatology Physician Taxonomy 207NS0135X · Licence 150510 (NY)
Pediatric Dermatology Physician Taxonomy 207NP0225X · Licence 150510 (NY)

Record details

NPI number1679532907
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 23, 2006
Last updated in NPPESOctober 2, 2007
Mailing address994 W Jericho Tpke, Suite 103, Smithtown, NY 11787-3235

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