Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Llewellyn Lloyd Tan, DO

Individual provider Pediatric Anesthesiology Physician · NPI 1356929897

Llewellyn Lloyd Tan, DO is a Pediatric Anesthesiology Physician in New York, New York. Licensed in New York. Registered with an NPI since 2021.

Licensed in
NY
In the registry since
2021
Specialties on file
2
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.

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Practice location Address checks out

550 1st Ave
New York, NY 10016-6402
Phone: (212) 263-5072
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Anesthesiology Physician (primary) Taxonomy 207L00000X · Licence 335156 (NY)
Pediatric Anesthesiology Physician Taxonomy 207LP3000X · Licence 335156 (NY)

Record details

NPI number1356929897
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedMarch 29, 2021
Last updated in NPPESSeptember 18, 2026
Certification dateSeptember 18, 2026

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