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

Alexander S Weller, MD

Individual provider Hospitalist Physician · NPI 1295120848

Alexander S Weller, MD is a Hospitalist Physician in New York, New York. Works from 3 locations. Licensed in New York, Pennsylvania and Virginia.

Licensed in
NY, PA, VA
In the registry since
2015
Specialties on file
5
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

55 Water St Fl 18
New York, NY 10041-0055
Phone: (347) 774-8000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 250 N 10th St, Brooklyn, NY 11211-2826 — (267) 566-2440
  • 1244 Dickinson Dr, Yardley, PA 19067-2917 — (215) 369-9993

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence 298688 (NY)
Internal Medicine Physician Taxonomy 207R00000X · Licence 0101282982 (VA)
Internal Medicine Physician Taxonomy 207R00000X · Licence 298688 (NY)
Hospitalist Physician Taxonomy 208M00000X · Licence MD462955 (PA)
Internal Medicine Physician Taxonomy 207R00000X · Licence MD462955 (PA)

Record details

NPI number1295120848
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 31, 2015
Last updated in NPPESApril 21, 2026
Certification dateApril 21, 2026

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